CN101801307A

CN101801307A - Dental inlay graft measuring/machining system

Info

Publication number: CN101801307A
Application number: CN200880106880A
Authority: CN
Inventors: 滨田弘显; 中尾聪; 舛田光章; 臼田达夫
Original assignee: Advance KK
Current assignee: Advance KK
Priority date: 2007-09-13
Filing date: 2008-09-12
Publication date: 2010-08-11
Also published as: WO2009035142A1; JPWO2009035142A1

Abstract

A dental inlay graft measuring/machining system comprising three-dimensional shape making means for creating shape data on a virtual tooth row including the shapes of a loss part of a tooth and its adjacent tooth and shape data on the opposite occluding surfaces of the opposite teeth opposed to the virtual tooth row, virtual inlay graft fabricating means for making a virtual inlay graft shape from the shape data on the virtual tooth row and the shape data on the opposite occluding surfaces, occlusion adjusting means for virtually combining the shape data on a ready-made inlay graft shape for inlay graft formation similar to the virtual inlay graft shape with the shape data on the virtual inlay graft shape and adjusting the combined data, subjecting the shape data on the virtual tooth row and the shape data on the opposite occluding surfaces to contact, mastication, and adjustment, subjecting the shape data on the opposite occluding surfaces to virtual movement, subjecting the shape data on the virtual tooth row to virtual jaw movement, thereby displaying the state of the jaw movement on a monitor, and determining the most suitable inlay graft shape of the virtual tooth row, and block machining means for machining a block to be machined according to the most suitable inlay graft shape data to make a dental inlay graft.

Description

Dental inlay graft measuring/machining system

Technical field

The present invention relates to the measurement and the system of processing of dentistry insert, more specifically, it relates to and passes through non-cpntact measurement, outside the oral cavity, dentistry insert relation factor is carried out three-dimensional measurement, based on resulting measurement data, tooth base to insert processing usefulness carries out grinding, machining etc., makes the measurement system of processing of the dentistry insert of dentistry insert.

Background technology

As everyone knows, utilize the making of the dentistry insert of CAD (computer-aided design)/CAM (area of computer aided making) method by the shapeization of utilizing existing method commonly used will make the denture position of insert.Next, by the mold surface shape of making is carried out three-dimensional measurement, obtain shape data, this shape data is input to computer, by assisting of computer, for example use grinding tools such as one or more end mill(ing) cutters, discoid milling cutter, to form by insert material for example the insert processing that forms such as pottery, resin carry out grinding with the tooth base.Can access insert like this, but the three-dimensional measurement of surface configuration is implemented by contact or contactless arbitrary mode as purpose.For example, TOHKEMY 2004-344657 communique proposes to be used to make the improvement technology of the chimeric half-finished maintaining part of dental.Japanese kokai publication hei 5-49651 communique proposes the design apparatus of crown insert.In addition, Japanese kokai publication hei 2-274456 communique proposes making method and the device favourable, that be used for being made by blank article to the insertion article of artificial structure's thing of being used for tooth etc.In addition, the world discloses No. 2005/016171 communique and proposes to be used to semi-finished product of making the dentistry insert and preparation method thereof.

But, have the problem points that must solve in the method for three-dimensional measurement of existing contact.Its reason is, in contact measurement method, in fact contact pin type probe contact model surface, realize 3D shapeization simultaneously, therefore compare with contactless measuring method, though have the advantage that can obtain higher insert of precision and so on, probe mostly be greatly be fixed in vertical direction folk prescription to pattern, therefore, be difficult to correctly measure the shape of the implant of extending along probe orientation of the tooth defect portion that is positioned at (artificial tooth installation portion) sometimes.

Above-mentioned problem points is particularly being planted under the situation that has some inclinations on the upright implant significantly.Implant has some usually and plants upright obliquely, yet under the sort of situation, the shape of correctly discerning implant is difficult, no matter how tilts, the insert of additional tilt information ground making can not form the denture of nature certainly, can not be connected with the boundary line of implant with connecting airtight.In addition, this inclination of implant is not special situation, on the contrary, it is less vertically to plant upright implant, but with as existing direct in the oral cavity of implant periphery profiling determine that the mode of artificial tooth shape compares, to the position impression taking of damage condition etc. and with the model of this damage condition take out the oral cavity outer, utilize the mode of CAD/CAM approach formation artificial tooth shape can further alleviate patient, dentist's burden then, be preferred mode.

Incidentally, as mentioned above, when utilizing CAD/CAM approach to make the dentistry insert, processing is processed with the tooth base and there is following situation mostly in the artificial tooth insert that obtains: the bore of the end mill(ing) cutter that uses as grinding tool may not be certain always so suitable for shortening process time or keeping intensity, add can not form man-hour so-called be formed at occlusal small concavo-convex.Can not form on the occlusal surface under the small concavo-convex situation, resulting insert is not variation such as the state of nature tooth, engagement, and user hard to say can be liked.

In addition, being constructed as follows of CAD/CAM approach: when making the dental insert, utilize computer the shape on surface to be carried out three-dimensional measurement from oral cavity inherence mosaic site and periphery thereof, otherwise, with crown, be bumped into shapes such as thing as model, with Gypsum Fibrosum, curable resin etc. the shape on surface is carried out profiling, utilize computer to carry out three-dimensional measurement after, based on resulting three-dimensional measurement value, use with the banded grinding tool of computer processing is processed with the tooth base.Particularly, CAD/CAM approach be by utilize contact probe head on vertical contact position, obtain object position coordinates method or utilize non-contact methods such as stereoscopic camera, Moire fringe parsing to measure surface configuration, based on its measurement data, processing is carried out attrition process with the tooth base.When an example being shown for reference, Japanese Unexamined Patent Application Publication 2002-504716 communique proposes linear awl light polarization holographic technique, Japanese kokai publication hei 2-264286 communique proposes to produce the method and the device of doubtful composite holographic, Japanese Unexamined Patent Application Publication 2004-502137 communique proposes to obtain in real time the three-dimensional measurement data that constitute constituting body in thing and the oral cavity in the oral cavity in the oral cavity, with 3-D view and the method and system logined, the special proposition of Japanese Unexamined Patent Application Publication 2004-534609 communique is used for the gypsum mould three-dimensional measurement of artificial tooth generation and is used for method for digitizing and device, and United States Patent (USP) proposes the holographic technique of monochromatic incoherent light for No. 4602844.

But CAD/CAM approach all has problems on contact, contactless arbitrary mode, in order to measure shape corresponding to panoramic intraoral state, needs complicated formality.For example, contact is to make to be fixed in the axial probe of z to the method that x, y and z direction of principal axis move, and in contact range, can access the high shape information of precision, but can rest on the measuring shape in the scope of top contact of the probe that extends along the z direction of principal axis, Measuring Time is than contactless length.In addition, under non-contact situation, if use for example method of stereoscopic camera, then need to adopt numerical value ground to determine a plurality of formations that are subjected to the position relation of photocamera, if Moire fringe technique, then need be with respect to the light source and the light accepting part of the position relation that possesses numerical value, grid is placed between object, form the formation of grid pattern at body surface, for example because of hidden part, or metal covering, the sort of image of the part that the reflected light of white face is strong excessively, tone, images such as distortion alone problem points and the part that can not discern can not be carried out shape measure, need cover with paint, lacquer, colour wash, etc. or, on the precision of resulting shape data, go wrong the surface the such operation etc. of staggering of the position of model.

In addition, make the model of actual insert and handle with the model surface three-dimensional dataization and in computer, then by CAD/CAM to the tooth base cut, the wax-pattern formation method of grinding, make on the insert model this point in operation by hand, if the producer grasps intraoral situation and makes suitable model, the insert that then finally obtains also obtains suitable shape, but can strengthen producer's burden like that, and time and expense become problem.Therefore, with intraoral state modelization and the non-wax-pattern formation method of shape that obtains insert according to damaged situation indirectly in the burden that alleviates user and obtain on the insert this point preferred at short notice.But, in the oral cavity complexity and abutment tooth tilt or the state of adjacent teeth also unstable, so the result has to increase the adjusting that producer's manual work is realized.In addition, in measuring method, even also need under the situation of a plurality of measuring points in not more or noncontact pattern,, then can not correctly measure the damaged portion that forms by concave surface in many cases if both sides' contact condition may not be good with the part that contacts of probe.

Incidentally, contact, the surface shape measuring that arbitrary measuring device is realized in contactless can fully be measured substantially, but actual occlusal surface is the shape based on the result of the jaw movement of chewing this complexity, and occlusal surface forms complicated shape.Particularly, forming insert and can process under the situation of tooth base the occlusal shape adjustment of needs in tooth defect portion with computer by dummy activity.Though be the non-wax-pattern method of formationing that to expect the processing of efficient and short time, under realistic situation, make the system that insert and making be used to make this insert be engaged in the insert of actual defect portion efficiently imaginaryly and still do not exist.

Summary of the invention

Therefore, the objective of the invention is to, a kind of dental inlay graft measuring/machining system is provided, it can carry out three-dimensional measurement to tooth defect portion outside the oral cavity and non-contactly, can be easily and correctly make the dentistry insert.

Especially, the object of the present invention is to provide a kind of dental inlay graft measuring/machining system, it is outside the oral cavity, that correctly grasp plants implantation artificial tooth installation portion after upright, make artificial tooth (dentistry insert) easily and correctly corresponding to its inclination, and a kind of dentistry insert is provided, and the artificial tooth of its installation has the more occlusal surface of naturalness.

The objective of the invention is to, a kind of dental inlay graft measuring/machining system is provided, it is adding man-hour, can reproduce be formed at occlusal small concavo-convex.

The present invention also aims to, a kind of dental inlay graft measuring/machining system is provided, it can be eliminated according to existing method and utilize CAD/CAM approach with contact or contactless problem points when the dentistry insert is made, and the complicated formality of eliminating, and can shorten Measuring Time, can improve resulting shape data precision.

The present invention also aims to, a kind of dental inlay graft measuring/machining system is provided, it realizes obtaining with intraoral state modelization, according to the damage condition of tooth defect portion, indirectly the non-wax-pattern method of formationing of the shape of insert, and with high accuracy easily and can in the time that shortens, implement measurement.Particularly, the present invention realizes expecting efficiently and the non-wax-pattern formation method of the processing of short time, and a kind of dental inlay graft measuring/machining system is provided, and it makes insert imaginaryly, and making is used to make this insert to be engaged in the insert of actual defect portion efficiently.

These purposes of the present invention and other purposes just can obtain understanding according to following detailed description easily.

A first aspect of the present invention, a kind of dental inlay graft measuring/machining system is provided, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert is processed, and this dental inlay graft measuring/machining system comprises as lower device:

3D shape generating apparatus, its generation have damaged and adjacent teeth shape imaginary denture shape data and should with the occlusal shape data of subtend of the subtend tooth of described imaginary denture subtend configuration;

Imagination insert generating apparatus, its shape data according to described imaginary denture, and the occlusal shape data of described subtend generate imaginary insert shape;

The interlock adjusting device, it will have the shape data that forms with ready-made insert shape with the insert of the shape of described imaginary insert shape approximation and combine imaginaryly and regulate with the shape data of described imaginary insert shape, and the shape data of described imaginary denture is contacted with the occlusal shape data of described subtend, chew and regulate, and the occlusal shape data of described subtend is offered imaginary motion, make its shape data carry out jaw movement with respect to described imaginary denture imaginaryly, state with described jaw movement is presented on the monitor thus, determines the optimal inlaid shapes of described imaginary denture; And

Tooth base processing unit (plant), it is processed with the tooth base processing based on the shape data of described optimal inlaid shapes, forms described dentistry insert.

At this, the subtend occlusal surface of preferred imaginary denture and subtend tooth is respectively the dental model.

In dental inlay graft measuring/machining system of the present invention, insert forms and can select arbitrarily with ready-made insert shape.For example, prepare to form in advance a plurality of, comprise the data base with the ready-made insert shape of described imaginary insert shape approximation, from this data base, can select to have with described imaginary insert shape approximation, preferred more or recently the insert of shape form with ready-made insert shape.Certainly, as required, also can use data base's device in addition.

In addition, as described below as imaginary motion in enforcement of the present invention, pendular movement or other motions, for example horizontal movement etc. can be proposed.

In addition, processing forms in advance with the tooth base is preferred.In addition, processing preferably is made of the material of making the dentistry insert with the tooth base, and have with insert formation with ready-made insert shape corresponding shape.Certainly, processing can be changed its shape arbitrarily as required with the tooth base, and for example, its shape both can make it correctly corresponding in order to become ready-made insert shape, otherwise also can make it corresponding substantially in permissible degree.

In addition, preferred interlock adjusting device also possesses adjusting device, whether this adjusting device is being under the situation of reference value with occlusal concavo-convex contact of described subtend with the imaginary denture that should regulate inlaid shapes by this interlock adjusting device, when the value of expression polarization counter-rotating, the value that obtains so that the direction coordinate in the coordinate of the coordinate of imaginary denture and imaginary denture is carried out computing is the coordinate of imaginary denture.

In addition, preferred jaw movement carries out with the mobile interlock that is connected in the man-machine interface of computer.In addition, preferably in the scope of angle ± 3 °～± 10 ° that with position is the center, carry out imaginary motion such as pendular movement apart from the crown surface radius 30～60mm of imaginary denture.In addition, preferred imaginary motion is at imaginary denture upper edge denture direction vertical ground motion.

In addition, a second aspect of the present invention provides a kind of dental inlay graft measuring/machining system, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert is processed, and this dental inlay graft measuring/machining system comprises as lower device:

The imagination denture, it has the shape of damaged and adjacent teeth;

Infrared rays receiver, it is accepted from the reflected light of described imaginary denture and is converted to signal;

Signal-light conversion device, it will be converted to light from the optical signal that is subjected to of described infrared rays receiver;

Position-measurement device, it calculates the distance between described imaginary denture and the described infrared rays receiver according to the characteristic information that is comprised in the convert light from described signal-light conversion device, produces distance signal;

Coordinate forms device, and it forms the shape coordinate of described imaginary denture according to the distance signal from described position-measurement device;

The tooth base is used in processing, and it is pre-formed, and is made of the material of making described dentistry insert; And

Tooth base processing unit (plant), it is processed with the tooth base described processing based on described coordinate information, forms described dentistry insert.

At this, preferred imaginary denture is the dental insert that possesses damaged and clip the adjacent teeth of this damaged ground configuration.

In dental inlay graft measuring/machining system of the present invention, be preferably formed catoptrical irradiates light to imaginary denture in the boundary line, maximum rich and prosperous and occlusal surface position strengthen scanning density.In addition, preferred convert light is the interference fringe light based on digital hologram method or awl light polarization holography method.

In addition, in aforesaid dental inlay graft measuring/machining system of the present invention aspect first and second, also can also there be abutment damaged of imaginary denture.At this, abutment both can be the implant abutment, also can be the original abutment of natural teeth.In addition, these abutments also can because of make and other reasons with arbitrarily angled inclination.

In addition, in the dental inlay graft measuring/machining system of for example second aspect, described imaginary denture plants to stand in its damaged inclination the implant abutment, and also can also have the light irradiation device of the described imaginary denture of irradiation.In this case, preferably by from the surface illumination on one side of the described imaginary denture of irradiates light one scan edge of this light irradiation device and described infrared rays receiver is moved with the translational speed identical with described irradiates light or be fixed under the state of assigned position, described infrared rays receiver is accepted from the reflected light of described imaginary denture reflection, and the position of the inclination of described implant abutment is measured.

A third aspect of the present invention provides a kind of dental inlay graft measuring/machining system, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert to be processed, this dental inlay graft measuring/machining system comprises as lower device:

The imagination denture, its have plant damaged of having found abutment and with the shape of this damaged adjacent adjacent teeth;

Fitting apparatus, it possesses recess, and this recess has shape and the size that the abutment of described imaginary denture can be inserted;

Vertical indicating device, it possesses described fitting apparatus, with the datum level of the described fitting apparatus of setting by determination unit be vertical relation;

The supporting object stage, the described imaginary denture of its mounting;

Angle regulator, its imaginary denture mounting surface with described supporting object stage is a datum level, regulate x, the y of described mounting surface and the angle of z direction, the angle of described abutment is changed, the result who changes as the angle of described abutment, when described abutment was inserted the recess of described fitting apparatus, and the angle of by this angle regulator being regulated when chimeric consistent with described recess according to described abutment detected the upright angle of planting of described abutment;

Photographic attachment, it is to the observation of photographing between the occlusal surface that is positioned in the described adjacent teeth of supporting on the object stage and maximum rich and prosperous;

Tooth base processing unit (plant), it is processed with the tooth base described processing based on a plurality of process datas of planting upright angle that comprise described abutment, forms described dentistry insert.

Dental inlay graft measuring/machining system of the present invention is understood by following explanation, and except that measuring non-contactly, preferably measurement and manufacturing procedure are implemented outside the oral cavity all.

Description of drawings

Fig. 1 is the axonometric chart of a mode of expression dental inlay graft measuring/machining system of the present invention;

Fig. 2 is an axonometric chart of representing the major part of dental inlay graft measuring/machining system shown in Figure 1 from other direction;

Fig. 3 is the sketch map of rotational motion of the fixed part of expression dental inlay graft measuring/machining system shown in Figure 1;

Fig. 4 is the sketch map of moving movement of the adjusting device of expression dental inlay graft measuring/machining system shown in Figure 1;

Fig. 5, Fig. 6 and Fig. 7 are the sketch maps of representing the action that is positioned in the planting model on the fixed part of dental inlay graft measuring/machining system shown in Figure 1 successively;

Fig. 8 has installed the axonometric chart of model shot with a mode of photographing unit in the expression dental inlay graft measuring/machining system of the present invention;

Fig. 9 A and Fig. 9 B be respectively the planting model drawn from the captured photo of photographing unit that uses Fig. 8 side view and above scheme;

Figure 10 is the sketch map that expression is presented at one of the shape of the ready-made tooth base that is used for insert processing on the monitor picture and the data base of specification example;

Figure 11 is the axonometric chart of the employed processing of expression enforcement of the present invention with one of tooth base example;

Figure 12 A and Figure 12 B represent to process with the tooth base to be connected with bracing piece before and the sketch map of state after this;

Figure 13 A and Figure 13 B are illustrated in bracing piece and the sketch map that after processing is connected with the tooth base, with milling cutter curvilinear portion and implant insertion position is carried out the state of grinding;

Figure 14 A and Figure 14 B are respectively that expression is based on determining that on processing with the tooth base occlusal method and result thereof carry out the sketch map of the method for grinding with the occlusal surface of tooth base to processing;

Figure 15 is the axonometric chart of the another way of expression dental inlay graft measuring/machining system of the present invention;

Figure 16 is that expression is used dental inlay graft measuring/machining system shown in Figure 15 and the flow chart of the measurement processing technique implemented;

Figure 17 A and Figure 17 B are respectively the sketch maps of the occlusal shape of subtend of the shape of the imaginary denture that obtains according to the dental model data of expression and subtend tooth;

Figure 18 A and Figure 18 B be respectively expression make Figure 17 A the rotation of imaginary denture and from transverse observation to state, and the sketch map of imaginary interlocking pattern that the subtend occlusal surface of the imaginary denture of Figure 17 A and Figure 17 B is overlapped;

Figure 19 A and Figure 19 B be be presented at monitor picture that computer is connected on state draw the figure that gets off, to be respectively expression with the occlusal surface data of subtend tooth overlap with the tooth defect portion data of imaginary denture and the imaginary interlocking pattern that obtains and make proximate processing and the sketch map of the imaginary fluid mosaic model that obtain identical with tooth base and tooth defect portion data;

Figure 20 A～Figure 20 D is the figure that the occlusal surface data combination of the subtend tooth shown in the profile of the line segment A-A ' of the data of the imaginary insert shown in the profile of the line segment A-A ' of Figure 21 A and Figure 21 B is represented, is respectively that expression makes the state of imaginary insert and occlusal surface subtend, disposes occlusal state on imaginary insert, occlusal surface is given state that pendulum model rotatablely moves, and occlusal surface given the sketch map of the state of parallel sliding motion;

Figure 21 A～Figure 21 D be respectively expression with the insert shown in Figure 19 B add the state of tooth defect portion data, state that the occlusal surface data of subtend tooth are overlapped with tooth defect portion data, by occlusal surface data mobile found to intersect data state, reach the sketch map of having found the other state that intersects data by occlusal surface data mobile;

Figure 22 be be presented at monitor picture that computer is connected on imaginary insert model draw the sketch map that gets off; And

Figure 23 be expression with imaginary insert model assumption shown in Figure 22 be installed on the sketch map of the state of tooth defect portion;

The specific embodiment

Next, the preferred embodiment of the present invention is elaborated.In addition, wish that understanding the present invention is not limited to following specific embodiment.

The present invention is by constituting as lower device: detect the device of planting upright angle of planting upright implant; Coupling apparatus is planted upright angle according to this, based on the connection angle of processing with tooth base and bracing piece, with tooth base and bracing piece combination; And processing unit (plant), it carries out machining to bonded processing with the tooth base based on the CAD/CAM data, tilts even plant upright implant, also can realize combining with connecting airtight, can obtain to form simultaneously the insert of nature denture with the oral cavity external information with implant top.

In addition, the prior preparation of the present invention only has various occlusal tooth bases, according to this tooth base, the occlusal surface of adjacent teeth, the common interlock mode of mosaic site is carried out the processing of data geo-statistic, selects ready-made tooth base.Have in advance under the occlusal situation, its part is the plane, therefore by the detection angle of inclination, and forms the tooth base that has based on the connection at this angle of inclination, can realize common grinding.At this, only have occlusal tooth base and be meant the state that for example is formed with the occlusal surface shape, and this is illustrated in the one side of square, but also can be at other square one-tenth occlusal surfaces as the planar portions of cylinder.

According to the present invention, a kind of artificial tooth that is installed on implant top can be provided, even promptly provide a kind of implant of inclination also can realize the artificial tooth that no problem ground is installed, and can make the surface and possess the more occlusal insert of naturalness.

More specifically, the present invention is made of the system that implements following operation:

At first, in order to obtain planting the model of upright implant site, plant subtend tooth and the adjacent teeth portion that upright position is planted by upright portion and adjacent teeth portion and implant, the operation of getting normally used die for the implant that becomes mosaic site;

To solidified die filler plaster, other curing materials, obtain the operation of model;

Be used for obtaining the operation at the angle of inclination of implant according to this model;

By the angle of inclination of implant, determine and the operation that adds the connection angle of banded integratedly spherical linking part of the Ministry of worker and bracing piece;

According to model, adjacent teeth and plant the common dental information at upright position, select to possess the operation of ready-made occlusal tooth base;

By this tooth base, to planting upright implant part, reaching the operation that side surface part is carried out grinding.

These operations can preferably be implemented in the following manner.

The inclination angle sensing apparatus of implant

In the present invention, as an example, has following formation: under the state of the adapter that the implant top that tilts can be inserted recess with benchmark, regulate by the adjusting device that the model unitary rotation that comprises implant, slippage etc. are regulated, with the inclination with the model in chimeric moment of recess is the inclination of implant, the structure of representing with two angles.But, also need only the mode that merges according to state at least sometimes to benchmark, the model that possesses the implant top ends and have another benchmark is moved, under the state that merges, the benchmark portion of measurement model gets final product with respect to the angle of level.

For example also can be following device: the device to the bottom direction irradiating laser is set vertically on the support rod of level, also dispose the hole of state of bottom vertical ground transillumination of the level of implant model, and dispose transparent member, move adjusting in the mode of seeing laser in bottom direction by adjusting device, laser passes the bottom of implant model, below moment of seeing, measure the angle of the benchmark portion of implant bottom.Sometimes also can not only transmission of laser, and on implantation portion, reflect, the position consistency of the datum level by projection, mensuration etc. are measured.

In addition, as long as adjusting device is to keep the bottom that becomes benchmark portion of implant model and can regulate the formation that takes measurement of an angle three-dimensionally, just be not particularly limited.In addition, as long as adjusting device can be measured the inclination of flat board of the benchmark bottom of implant model three-dimensionally, its formation does not just limit, also can for: merely only carry out moving of implant model, after moving, by non-contacting range measurement, the graduated use of three-dimensional stereoscopic camera etc., measure the angle of the datum level and the horizontal plane of implant model.

Consider the processing tooth base of inclination

By the present invention be made as processing with the so-called semi-finished product (tooth base) of parts and and process equipment connection terminals (bracing piece) between the mode of spherical linking part is set, can process the implant top ends is the high hole of perpendicularity of being installed, and easily the implant that tilts is processed into the shape that forms the nature denture.

Processing is with the example that is shaped as of Figure 11 of tooth base, but preferred spherical linking part forms with parts with processing, needs only and being connected well of bracing piece, is not limited thereto.The gravel size decision of linking part is littler than the size that adds the Ministry of worker, but when angle is big etc., spherical linking part also can be bigger than adding the Ministry of worker.In addition, linking part is final position of downcutting, therefore so long as parts that easily downcut by cutting elements such as end mill(ing) cutters and get final product with the good parts of contacting of parts with processing.

In addition, the contact surface of bracing piece and linking part possesses angle, connects simultaneously, but contacts with cutting, grinding tool because of the contact surface of connection status bracing piece sometimes, therefore also can be arranged to reduce the taper of this part.

Bracing piece and linking part preferably are adhesively fixed with bonding agent, but also mechanically combination so long as form the method for stationary state, is just used preferably.

Be formed with occlusal processing in advance and determine device with the data base and the data of tooth base

The present invention possesses as lower device: prepare to have the tooth base that adds the Ministry of worker, this occlusal surface that adds that the Ministry of worker has prior formation is a plurality of different occlusal surfaces, with this data base system, and logins in computer, selects based on damaged information of input.

For example data base's information be the shape information of tooth base, occlusal shape information, tooth base dimension information, color information, allow maximum rich and prosperous distance, common suitable location information, be to have serial number and carry out the information that chart is handled.When shape information outputed to the monitor of computers such as PC in demonstration, also can illustration simple and clear photo, CG picture etc. write down various information thereupon.

Thereby, when utilize PC, keyboard, mouse, other interfaces import the dimension information of damaged portion, when being suitable for various information such as location information, also can show becomes alternative tooth base image, visual or statistical probability ground is determined.

In addition, also photo in damaged and the vertical model photo of implant, the oral cavity can be carried out the image input to PC, with this input picture and the tooth base picture registration of being logined or compare definite side by side.

The present invention is as long as shapes such as concavo-convex, the wrinkle of preparing at least that a plurality of occlusal surfaces that possess natural tooth possess promptly can not be with the information of the shape of CAD/CAM processing, and the data base handles on ground this information and gets final product, particularly also can need not to use a computer, just, be similar to the selection of tooth base with reference to being printed on table on the paper etc.

Have the processing method of the processing of inclination with the tooth base

The present invention is when processing tooth base shown in Figure 11, be connected under the state of machining tool, become the connection under the state of angle with certain degree, the shape at junction surface that possesses the implant of boundary line becomes plumbness, so the shape at the junction surface of implant and become easy from rich and prosperous processing to the shape of boundary line of maximum.On the contrary, add man-hour, need carry out grinding the more additional angle informations of data in occlusal adjusting.

In the present invention, preferably possess following steps: the step of obtaining the occlusal shape of subtend tooth by die; Measure the step of occlusal surface configuration; It is overlapped or adjacent with the occlusal surface information of selected prior formation,, obtain the step of the processing on tooth base surface with data for the shape of subtend tooth; This processing with in data according to the angle of inclination of implant, form the step of the correction process data of the position of revising machining tool etc.After the processing, can access and have following occlusal implant insert: merge natural occlusal surface information during the prior from the teeth outwards formed occlusal surface of this occlusal surface is concavo-convex and process.

In addition, the present invention is by constituting as lower device: light accepting part, and it accepts the reflected light from the dental model; Position-measurement device, it calculates the distance between dental model and light accepting part according to being converted to the convert light of characteristic information by the optical signal that is subjected to that this light accepting part obtains; Coordinate forms device, and it forms the shape coordinate of dental model according to the distance signal that is obtained by this position-measurement device; Processing unit (plant), it is based on resulting coordinate information, formation is processed with the tooth base with processing to insert, thus, even the part of optical reflection light intensity such as metal covering also can obtain its positional information, in addition, obtain under the situation of convert light for example boring the sort of combination of light polarization holography method by uniaxial crystal and polaroid, change the position of lighting source on one side, the lighting source position is changed, therefore the roughly whole position so that it throws light on is fully particularly had the information of the isoclinal abutment of implant abutment of inclination, can correctly obtain processing the artificial tooth shape of usefulness.

For example, the spy opens 2002-504716 communique, spy and opens the noncontact form measuring method that the holographic method that records a kind of above-mentioned awl light polarization in the 2-264286 communique etc. realizes.In the invention that these two communiques are put down in writing, in the oral cavity this limited among a small circle in, form device as position-measurement device and coordinate, this method is preferably used.

In the present invention, owing to when the mode of putting down in writing based on above-mentioned communique,, be not parsing from photograph image by the light conversion distortion that will accept, but, therefore can get rid of the influence of the noise information that catoptrical power, image have as the reflection of numerical value distortion.In addition, the present invention is as long as utilize the image information of the convert light realization that this photographs is changed, as long as can obtain this object shape position data promptly with inclination, concavo-convex, vertical relevant data, then be not limited to the method for awl light polarization, also for example can utilize: the spy open digital hologram method such as the phase shift digital hologram of flat 10-268740 communique record or specially open flat 6-110370 communique, the spy opens the holographic method of records such as flat 5-323238 communique.

Light accepting part of the present invention is set at and can will forms the periphery that catoptrical specular surface body is configured in the dental model.

Also can arrive light accepting part from reflected by objects light via specular surface body, otherwise, also can directly be subjected to light not via reflected light.

Irradiates light of the present invention is as from the preferred specifically derived laser of the reflected light of dental models, but is not limited to this, also can export light, sunlight, and other light sources for light emitting diode.

Irradiates light by point-like be radiated on the body surface, can take as position data, but in this case, method by parallel sweep etc., can access object, the part coordinate data.

In addition, holographic method according to the awl light polarization, sometimes irradiates light also so long as the light that shines the measuring point and arrive the light accepting part position get final product, but be preferably set to the consistent state of optical axis of irradiates light and light accepting part, the mode of its scanning is not limited to Z-shaped parallel sweep, also can carry out the scanning that the boundary line is recognized in radioscanning measurement etc.But,,, more suitable in the present invention even therefore the implant abutment that tilts, complex-shaped natural bridge abutment also can be realized shape measure even because the position that the method for awl light polarization tilts also can utilize reflecting mirror etc. to measure its location status.

In addition, as long as crown, be bumped into thing, other dental inserts and obtain range information well about the part precision that becomes with main position such as the composition surface (boundary line) of abutment, maximum rich and prosperous position, occlusal surface, therefore when the scanning of this part, the mode that is transfused to as image clearly according to interference fringe, the resolution of adjusting photography camera, scanning density etc., obtain detailed data, in addition, also can reduce scanning density and wait and reduce data volume.

Adjusting device of the present invention is to be used for the device regulated with data in processing, for example, it is the device that is used to regulate the inclination of implant abutment, when making to the chimeric artificial tooth of the abutment that tilts, owing to considered the situation of the outward appearance of this inclination based on needs, therefore the present invention can realize it by the adjusting of numeric data, does not need other anchor clamps, just can form simply at short notice.

In addition, being bumped into the such small insert of thing can comprise: the recess that comprises the damage condition around it is measured, according to this recess with the surface data after inlaying, obtained processing insert data.

It is as follows that process data of the present invention forms the device illustration: based on forming the three-dimensional data that device obtains by above-mentioned coordinate, form dental models imaginaryly, from the shape data that as a result of obtains, extract the data that are used for the insert making.

According to the present invention, has following effect:,, can correctly measure the shape of the part of recess, vertical and inclination according to the dental models that the dentistry insert is used though be non-cpntact measurement, regulate by computing, can be formed for obtaining the process data of purpose insert etc. rapidly.

More specifically, the present invention so long as the shaped position information that in non-cpntact measurement, obtains by the data of optical transition get final product, but it is preferred by awl light polarization type measuring unit, obtain the such inclination of detailed implant abutment and be bumped into the such little insert of thing, littler shape data promptly rises and falls.

Illustrate as follows: the shape coordinate data conversion that will be obtained by this measuring unit is the shape data of desirable processing usefulness, utilizes three-dimensional processing machine, and the tooth base is carried out grinding.

Though the present invention is noncontact, can obtain surface configuration with the method for contact, therefore in the scope of the light that can accept to be shone, grasp the boundary line shape easily, be fit to the dentistry insert and make.

Be bumped into the situation of small inserts such as thing

Owing to, therefore can measure the interior concave surface of scope of the hard to bear light of energy, thereby can measure the hole that is bumped into thing as long as can accept reflected light at least.But, even because of reflected light cross by force can not visual identification state, also can make reflected light once become the convert light of the interference fringe of concentric circles, therefore can correctly obtain the boundary line.

In addition, according to the present invention, measure the abutment that is positioned at tooth defect portion, can obtain the recess shapes data, and can from the form of the position of tooth, remaining cusp etc., select the most damaged data of suitable damaged portion, as required, on data, be out of shape, generate the occlusal surface morphological data.Also can place wax etc., the occlusal surface morphological data after obtaining inlaying at damaged.Make this occlusal surface morphological data and damaged data combination, can obtain imagination and be bumped into the thing shape, process with the tooth base with processing.

The situation of the insert of natural teeth abutment (crown)

The situation of crown is also like this, and the grasp of the boundary line on the abutment does not have troubles such as gingiva pressure yet, directly just can obtain data according to model surface.

In addition and since the scanning of irradiates light also the mode by scanning radially on spherical surface body roughly, obtain junction surface (boundary line) with abutment tooth, be effective method therefore, also obtain information easily by zigzag scan sometimes.

The measuring shape of the implant abutment when in addition, also being effective to make etc. based on the imaginary artificial tooth shape that is bumped into thing, implant abutment, adjacent teeth.

In addition, the present invention is the dental inlay graft measuring/machining system that comprises as lower device:

3D shape input equipment, it can obtain having the tooth defect portion data and the occlusal subtend occlusal surface of the expression subtend data of the shape of damaged and adjacent teeth;

Imagination insert producing device, it generates imaginary insert shape according to three-dimensional damaged the shape data that is obtained by 3D shape input equipment;

Selecting arrangement, it is selected from the shape that is similar to imaginary insert shape that will be obtained by imaginary insert producing device, the insert shape that promptly forms are in advance carried out the data base of data base system;

The interlock adjusting device, its in the ready-made insert data that will select by selecting arrangement to damaged imagination ground in conjunction with after regulating, on one side imaginary denture is chewed with imaginary subtend occlusal surface data and contacted adjusting, on one side with subtend occlusal surface data with respect to imaginary denture data imagination ground as the jaw movement state, on monitor, show, obtain optimal inlaid shapes;

Processing unit (plant), the imaginary insert shape after it is regulated according to interlock is processed the ready-made tooth base of being selected by selecting arrangement.

According to above-mentioned formation, by moving of mouse, stick etc., be formed on the three-dimensional data motion that subtend flank of tooth data and tooth defect portion shape data is similar to jaw movement, detect the part of data cross, and delete this part, can obtain more accurate insert.

The present invention will carry out three dimensional display by tooth defect portion data and two data of occlusal surface data that impression molds etc. obtains on the monitor of computer.

Next, implement following two steps successively: these two data are overlapped on same coordinate space, be set at contacting up and down of biphase adjacent teeth tooth to carry out state of contact more than the ratio of stipulating, the proximate motion of jaw movement as with interlock the time, mobile or all around simulation that makes the subtend flank of tooth that is equivalent to known involutory portion carry out the pendulum shape moves, the step of the data that detection faces, line are intersected (data that for example, surpass the reference value (plane, line, solid) when being benchmark) with a side; The data correction of then this having been intersected is the step of reference value, preferably implements this two steps by the routine processes on the computer.

The mobile meaning of the pendulum shape of the subtend flank of tooth is meant voluntarily the situation or the operation man-machine interface of moving, and the subtend flank of tooth is carried out situation about manually moving on picture, seesaws, lateral movement, other move too.

The preferred adjacent teeth of the present invention status detection of chewing each other forms following state: the position of subtend flank of tooth adjacent teeth data is for example above the position of the adjacent teeth data that always are positioned at tooth defect portion data on the Z axle.

Promptly for example, at interface subtend flank of tooth data being dragged with drop-down when overlapping on the adjacent teeth data, is condition with the state above being positioned at least on the coordinate axes.For example, in the time will reaching the below, just stop to drag and pulling operation.

Otherwise, determine at needs under the situation of operation, before determining, even the situation that subtend flank of tooth data are advanced to the below of tooth defect portion data, in realizations such as return key operations really regularly, also can revise automatically, reach the state that subtend flank of tooth data appear at the top of tooth defect portion data.This place that stops is to sting tight state, compares with this state, and subtend flank of tooth data always appear at the top.And its scope is for having the concavo-convex flank of tooth, therefore also can have permissible range (for example, subtend flank of tooth data on the z value come tooth defect portion data below x, y coordinate figure be below 10%) be set at the state of chewing.

For example as mentioned above, 3-d shape measurement of the present invention illustrates two methods of non-cpntact measurement that specific scanning rays such as the method for photograph taking and irradiating laser carry out.

In addition, as mentioned above, as shining the non-cpntact measurement that specific scanning ray carries out, for example, the spy opens 2002-504716 communique, spy and opens the non-contact measurement method that holographic method that flat 2-264286 communique etc. records the awl light polarization realizes, in the present invention, in the oral cavity this limited among a small circle in, form device as position-measurement device and coordinate, the preferred use.The detailed content of this method as mentioned above.

About light accepting part of the present invention, from reflected by objects light, the awl holographic method of light polarization and other also as mentioned above.

According to the present invention, can access following effect: do not carry out actual interlock and regulate,, just can access correct dentistry insert etc. with the operation on the computer.

More specifically, the present invention carries out interlock to regulate on the monitor of computer, ready-made approximate insert being embedded in the data of tooth defect portion and possessing in the subtend flank of tooth data of the flank of tooth of subtend, these two data are formed adjacent teeth contact condition each other on picture.

Needing only the method that is used to implement of the present invention is so-called dragging and the drop-down regional moving method that waits user interface to possess.Otherwise,, also can utilize the method for carrying out the contact of particular range automatically as the fusion of data.

Under this state, the operation of user interface directly is set as the state of the operation that becomes jaw movement.This for example is, the user interface such as mouse, action bars and the subtend flank of tooth are interrelated, when user interface when certain direction moves, the subtend flank of tooth carries out front and back, side, rotatablely moves by user interface to move to suitable direction as jaw movement.

At this moment, making the subtend flank of tooth is that central point o (123) carries out the method that pendular movement detects the data of revise intersecting and is the motion near jaw movement with the height 30～60mm shown in Figure 20 C, and, be preferably utilizing simple method to carry out on this point.At this, with the angle shown in the reference number 122 of Figure 20 C for example ± 3 °～± 10 °, preferred ± 5 ° angle makes its motion.In addition, the jaw movement that the angle of pendular movement is used for interlock for simulation is this angle preferably, but from considering the necessity of individual differences, also can simulate jaw movement based on pendular movement with ± 3 °～± 10 ° angle sometimes.

Motion that will be forwards, backwards, sliding motion etc., user interface move mobile conversion to picture the time, also can change to motion with slip element.

Like this, in the present invention, the user interface that carries out jaw movement by utilization is revised the data of intersection, can form correct insert occlusal surface easily.

Embodiment

Next, with reference to accompanying drawing embodiments of the invention are elaborated.

Fig. 1 and Fig. 2 are that expression is from its place ahead and the figure of the state of the dental inlay graft measuring/machining system of the present invention seen of rear.Fig. 1 is the state of seeing from the SH direction, and Fig. 2 is the state of seeing from the SF direction.X among the figure, y and z coordinate use the state towards any setting based on adjusting device 100 to describe.The direction of arrow for example is positive direction.In each figure, with SH, SF represent adjusting device 100 towards.Because adjusting device 100 combines with substrate 10 by magnetic force, so its state is: if on substrate 10, then the application of force just can make it move slidably a little.

In Fig. 1, adjusting device 100 is to be used to carry out the utensil that mounting moves in the planting model rotation of fixed part 21.Fig. 2 only represents adjusting device 100.

Substrate 10 forms horizontal plane.Axial columns 11 with respect to the horizontal plane vertically is provided with.Going out plug 12 is that the center can be rotated in the scope of rotating 90 degree with main shaft 13.

Knockout hole 14 is vertical through hole, as shown in Figure 3, has the aperture of the degree that the support rod 22 that possesses adapter 23 is inserted.Photography is regulated with β and is shown that it is that the center rotates with center P 1 that object stage 15 makes fixed part 21, the β angle information in order to obtain being arranged at outside photograph taking, thereby have scale.

In addition, photography is regulated with β and is shown that the bottom surface 15a of object stage 15 has magnetic, carries out magnetic force with metal substrate 10 and combines.Therefore, photography is regulated with β and show that object stage 15 can move on substrate 10, and as a whole, fixed part 21 is mobile abreast by manually coming.

Fig. 4 is the partial figure of the adjusting device 100 seen from direction SF shown in Figure 1 of expression, the state that expression adjusting device 100 has moved on substrate 10.The front and back that the state representation of dotted line and solid line representative moves.In addition, adjusting device 100 is on substrate 10, the state that can move along two-dimensional directional.

β angle adjustment 16 is taked the micrometer form, by the revolution, can according to scale, measuring with P1 is the angle beta at center.In addition, θ angle adjustment 17 is taked the micrometer form, during revolution, can according to scale take measurement of an angle.

θ shows that object stage 18 can show the anglec of rotation θ from level when be the center rotation with center P 2.α angle adjustment 19 is taked the micrometer form, by revolution, can according to scale, reading fixed part 21 be the anglec of rotation of center when rotating with center P 1.

The first horizontal supporting portion 181 and first vertical support portion 182 are connected to L word shape, and the first horizontal supporting portion 181 is by the rotation of β angle adjustment, can regulate with β to show on the object stage 15 with center P 1 to be that the center rotates in photography.

Show the anglec of rotation α that shows fixed part 21 on the object stage 20 at α.Fixed part 21 possesses and can carry out bonded state with the bottom surface of planting model.

The difference of angle [alpha] and angle beta is: angle [alpha] is only represented the anglec of rotation of fixed part 21, and is relative therewith, and angle beta is represented the anglec of rotation of adjusting device 100 integral body.

Second vertical support portion 183 of Fig. 2 and the second horizontal supporting portion 184 of Fig. 1 connect combination with orthogonal state.Second vertical support portion 183 can be that rotate at the center with center P shown in Figure 42, and by the rotation of second vertical support portion 183, the second horizontal supporting portion 184 also rotates, and the result is that fixed part shown in Figure 3 21 is tilted.The reference number 184a of Fig. 3 represents the rotation by second vertical support portion 183, the state of the second horizontal supporting portion 184 direction inclination left.

In Fig. 3, reference number 21a and 21b represent two tracks of the state that fixed part 21 has moved in rotating mode.In addition, reference number 21c represents that fixed part 21 is the direction that move at the center with center P 2, the expression anglec of rotation.In Fig. 3, support rod 22 is cylindric, forms as follows: can move up and down, and as required midway can stationary state.In addition, adapter 23 possesses recess 24, and this recess 24 is formed at the bottom surface of adapter 23, has up the shape as the artificial tooth installation position of implant top ends.

Then, with reference to Fig. 5, Fig. 6 and Fig. 7 the action of the embodiment of Figure 1 and Figure 2 is described in detail.

Fig. 5～Fig. 7 omits the bottom direction of the explanation second horizontal supporting portion 184.At this, m is the dental model, is module that the while as shown in Figure 9, under the m2 of implantation portion plants state after upright, imitate type at the position that comprises adjacent teeth m1 and m3, to curing materials such as this position injection Gypsum Fibrosum, after the curing, discoid connecting plate ms is connected with the model of taking-up.Connecting plate ms forms plane, have can with fixed part 21 bonded structures.In addition, Fig. 9 A and Fig. 9 B also describe below, are the sketch maps that the photo when model m has been carried out photograph taking is drawn.

Fig. 5 is will be with model m mounting in the figure of fixed part 21, and Fig. 6 represents the state after the mounting.In Fig. 6, reference number 6a is the angle of inclination of the m2 of implantation portion.Because Fig. 6 represents by the xy plane, so 6a also represents for plane earth, but the actual three-dimensional perspective of representing.

Recess 24 for the adapter 23 that is installed on support rod 22, if the m2 of implantation portion is vertical, then by remain unchanged with support rod 22 fall just carry out chimeric, but because at a slant, therefore make θ

angle adjustment

17,19 rotations of α angle adjustment, regulate till the recess 24 of m2 of implantation portion and adapter 23 is chimeric by visual.

When making 17 revolutions of θ angle adjustment, fixed part 21 moves in the mode of swing as shown in Figure 5, therefore as shown in Figure 6, photography is regulated with β shown that object stage 15 moves as shown in Figure 4 on substrate 10, as shown in Figure 7, regulate with recess 24 consistent modes according to the m2 of implantation portion, support rod 22 is descended downwards, make the recess 24 of m2 of implantation portion and adapter 23 chimeric.

For example, under than situation about more tilting usually, if at first according to making x axial coordinate direction become the amount of a mode anglec of rotation α of 0, the amount of secondly only rotating θ according to the mode that the y direction of principal axis is set at 0, then implant is upright, adjusting device 100 is moved on substrate 10, it is arrived under the recess 24.At this, in Fig. 4, Fig. 6 etc., the periphery of recess 24 is represented with part sectioned view.

Under this state, show that from α object stage 20 or α angle adjustment 19 read the α angle, show that from θ object stage 18 or θ angle adjustment 17 read the θ angle, obtain the implant angle of inclination (α, θ).Though (α θ) has carried out plane earth and has represented, reality is three-dimensional at angle of inclination shown in Figure 7.

In addition, though angle value from the scale that is shown in object stage or angle adjustment with scale read, also can be converted into digital signal by encoder, output to blood processor such as computer, carry out automatic calculation process.

In addition, angular adjustment is undertaken by rotary knob, or the substrate 10 of Magnet bonding state and adjusting device 100 are moved, but also can be made into the rotation moving structure that robot arm is realized, or make each position become the SERVO CONTROL driving, also can get rid of manually and full-automation.

Fig. 8 is illustrated in the state that the digital camera of model being taken from last direction and following direction 72 (also can be camera or other camera heads) is installed on the embodiment shown in Figure 1.Photographing unit mounting portion 71 is center rotation with main shaft 13, under state shown in Figure 8, takes the side of model, turn 90 degrees to revolving upward by making photographing unit mounting portion 71, can from directly over model is taken.Fig. 9 A and Fig. 9 B represent the state of the photo that photographs.At this, Fig. 9 A for from the side, Fig. 9 B for from directly over the state that photographs.Photographing unit 72 is in order to select to be used for the proximate ready-made processing tooth base that artificial tooth is made, obtain to be used to obtain the image information of the positional information of implant.

In Fig. 8,, and additional main shaft 131 arranged because with respect to the state of an end that discharges plug 12 among Fig. 1, photographing unit mounting portion 71 shared main shafts 13 therefore in order to gain in strength, are provided with axial columns 111 at the position with axial columns 11 subtends.

When further specifying, Fig. 9 is the figure that takes with 72 couples of model m of photographing unit, and fixed part 21 grades are omitted expression.In addition, in Fig. 9, buccolingual width HA1 represents the distance of the maximum rich and prosperous portion of adjacent teeth, can measure distance with estimating.This distance H A1 also can carry out machinery, electricity, optical mensuration except that range estimation.Nearly degree HA2 not lend oneself to worry and anxiety far away represents the thickness of the artificial tooth of oral cavity inward-outward direction.This thickness also is so, except that can measuring, also can utilize the whole bag of tricks with estimating.In addition, also can utilize non-contact three-dimensional shape measure methods such as stereoscopic camera, obtain the 3D shape coordinate, directly obtain the shape of insert.

In addition, observe occlusal state and the tone of adjacent teeth m1, m3, can access the information that is used for ready-made tooth base selection that the next stage data base realizes.At this moment, rotate β angle adjustment 16 shown in Figure 1 and make fixed part 21 rotations, or it is mobile on substrate 10 that photography is regulated with β demonstration object stage 15, determines optimal position.

Figure 10 is the figure that the data base's of the ready-made tooth base of expression configuration one of constitutes example.An example of shape is represented on " shape " hurdle in left side, and " specification " of this shape represented on one hurdle, right side, links with corresponding relation." shape " represented in the drawings three-dimensionally, but preferred other data that can grasp tooth base shape as front elevation, top figure, side view, back view and so on that store simultaneously, especially preferred also is stored in occlusal data in the same field in the lump.

" specification " except that interlock recorded buccolingual width (between cog HA1) and nearly degree not lend oneself to worry and anxiety far away (transverse tooth thickness HA2), also interlock recorded tone data, arrangement position data and recognition data.

The buccolingual width (between cog HA1) that obtains from photo and nearly degree not lend oneself to worry and anxiety (transverse tooth thickness HA2) data far away and color, occlusal surface are retrieved, determined suitable ready-made processing tooth base.

In addition, obtain implant foundation direction part, be the position data HA3 and the HA4 of boundary line.

Use based on determined ready-made processing with tooth base data, by the ready-made processing tooth base that the mixture or the potteries such as Anhydrite, hydroxyapatite of resin and silica filler constitute, prepare bracing piece as shown in figure 11, carry out to install and prepare.Ready-made processing is sketch map with tooth base 11b, has omitted occlusal surface.Linking part 11c is formed by same material with tooth base 11b with processing.

Bracing piece 11a is formed by metal materials such as aluminum, with the joint face a1 of linking part 11c be recess, preferably the recess by dome shape forms, the other end a2 has the shape of the installation portion that can be installed on processing unit (plant).

In addition, sometimes also can be for linking part 11c being formed four jiaos of polyhedral bodies such as body, the inside of the joint face a1 of bracing piece 11a is formed the shape of sphere.

In addition, have the scale of expression angle on linking part 11c, the connection profile when being connected with bracing piece 11a with expression can be understood the connection that what to be spend actually thus easily, even do not use anchor clamps, also can form to process at any angle and use the tooth base.

Figure 12 represents bracing piece and the example being connected of processing with the tooth base.In this embodiment, with between tooth base 121 and the spherical linking part 122, the mode that does not contact with bracing piece 124 according to drill bit for machining is further made adjusting portion 123 of with processing with tooth base 121 identical materials integratedly in processing.In addition, the part that is connected with spherical linking part 122 of bracing piece 124 is a part sectioned view.

Figure 12 A represents that bracing piece 124 and processing are level with tooth base 121, secondly, in Figure 12 B, utilize bonding agent so that (α, the corresponding three-dimensional perspective of angle θ) carries out bonding with the angle of obtaining in advance.Angle (α θ) is expressed as follows the meaning: for example, and when being the center, in the amount of mobile θ on yz or the xz plane, then on the xy plane, during the amount of mobile α, obtain actual angle with the z axle.

Among the figure, XA represents to process the major axis with the tooth base, and XB represents the major axis of bracing piece 124.

Then, as shown in figure 13, on selected approximate tooth base, definition to the Hm of boundary line portion, to carrying out spline curve polishing etc. therebetween, obtains curved surface data 131 from the rich and prosperous position HAL of maximum.In addition, in Figure 13, reference number 130 is the space of the processing space of simple expression abrasive machining device, and bracing piece installation portion 13a is formed with and inserts the fixedly fixing hole of bracing piece 124 (not shown).

The position that maximum rich and prosperous position HAL can reach nearly degree not lend oneself to worry and anxiety far away (transverse tooth thickness HA2) from the buccolingual width (between cog HA1) that mensuration Fig. 9 schematically shows is generated by level and smooth curve of approximation.

In addition, according to the inventory information of the implant of the shape of using implantation portion, the value of obtaining in addition, according to the photo of sketch map shown in Figure 9, and according to distance H A3 and HA4, obtains boundary line Hm, forms implant insertion deep data 132 simultaneously.

Figure 13 represents that actual insertion is fixed with the state of bracing piece 124.End mill(ing) cutter 13b constitutes by boring tooth, and bore is suitably selected according to the complexity of the object of processing.In addition, end mill(ing) cutter 13b is keeping under this state, and an edge x, y and the rotation of z direction are moved on one side, with processing with the surface of tooth base 121 contact one side and carry out grinding on one side.

Figure 13 A represents the state that carries out grinding to the curve polishing data of boundary line Hm based on from the line (HAL) of representing maximum rich and prosperous portion, Figure 13 B based on implant insertion section bit data 132, utilize part sectioned view that the state that end mill(ing) cutter 13b carries out mobile grinding is described.Implant insertion section bit data 132 is determined according to the HA3 in the sketch map of for example Fig. 9, the distance of HA4.

In addition, the processing of this moment tilts to be connected with bracing piece 124 with tooth base 121, therefore implant is inserted the position becomes the state (subvertical state) that can utilize end mill(ing) cutter 13b to carry out grinding, and the implant end shape data that the grinding data keep being selected from catalogue are ground unchangeably, process.

Figure 14 A represents that the employing earlier and the die of the subtend toothed portion of artificial tooth subtend form model, measures its occlusal surface shape then, obtains the method for subtend odontoid data 141a and occlusal surface data 141.

The occlusal surface three-dimensional shape data of ready-made occlusal surface tooth base is accessed from the data base, form ready-made occlusal surface process data 142, overlap, form grinding data 143 with subtend tooth interlock data 141.

As shown in Figure 14B, also (α, θ) polishing with as polishing grinding data 144, based on these data, utilize end mill(ing) cutter 13b to these grinding data 143, and the ready-made occlusal surface that tilts is carried out grinding by the angle of inclination.In addition, about this method, illustrate in greater detail below.

With reference to Figure 15 another embodiment is elaborated.The dental models of present embodiment is the indirect dental models of the damaged shape of expression that is used to obtain to be installed on the artificial tooth of implant.

Illumination part 10 is exported the light that laser, visible light, infrared light, iraser etc. have craspedodrome, in addition, and the turntable driving that illumination part 10 carries out shown in arrow 10a.The mode of turntable driving also can be utilized radioscanning except that common zigzag scan (5Z shown in Fig. 9 B).

Moving reflector 101 makes from the light of fixed illumination part 10 is mobile on dental model 13 on one side and shines on one side.Light accepting part 11 is under the situation of awl light polarization holographic method, uniaxial crystal 11b and CCD photographing unit 11d by

polarized light piece

11a, 11c clamping constitute, accept to pass the crystalline convert light that is the interference fringe shape by CCD photographing unit 11d, and be converted to the signal of telecommunication by the polarized light piece clamping.

Illumination part 10 and light accepting part 11 also are set at co-axial formation sometimes except that the adjacent the sort of formation that is set at as shown in the figure, and shared optical axis.

Preferred mirror 12 be disposed at measured object around, accept this reflected light by light accepting part 11, can utilize statistical method such as summation averaging to measure correct shape thus.

Dental models 13 utilizes existing method to make, and is formed with in central authorities and plants upright implant abutment 14, is formed with

adjacent teeth model

13a, 13b in both sides.Implant abutment 14 for example for the artificial tooth of single-body type is taken root in upright back, from the outstanding position of gingiva, the shape at the position of artificial tooth promptly is installed.

Signal processing apparatus 15 by possess monitor, hard disk, movably the computer of memory element, storage device, Ethernet LAN such as (registered trade marks) etc. constitutes, possess to bring into play the shape data of being imported, the approximate processing that forms in advance formation with the data base of tooth base, 3-D view processing capacity etc.

Processing machine 16 is so-called NC processing machine, three-dimensional processing machine, it is mainly used in to make and is fixed in axial milling cutter 722 rotations of z, and move along x, y and z direction, by its top ends and periphery processing is carried out grinding, cutting with tooth base (not shown), thereby obtain insert.Except that using this grinding processing method, preferably use so-called rapid shaping formula processing machine.

Measure object stage 17 and also can be fixed object stage, but, also be preferably state rotatable, that slide in order to measure hidden part.

In addition, move the limit in dental insert top when scanning at light, in order to make moving, rotating and oversimplify of moving reflector 101 or illumination part 10, for example also can make following scanning constitutes: make and measure object stage 17 along the whenever mobile Rack of y direction, moving reflector 101 or illumination part 10 are swung along the x direction.

The technology that the both available spy of measuring device shown in Figure 15 opens the record of 2002-504716 communique realizes, and as finished product, finished product, the trade name " コノプロ one プ " of also available オプテイカ Le メトロジ one society's system realize.

Measuring device is if form the irradiation of light and can accept the position of this light, just can obtain the distance between light accepting part and the dental models, even therefore under some adjustings of abutment implant, also can measuring distance, pass through roughly mounting thus, can finish measurement, but according to circumstances, also can become by quantitatively the moving of workbench, obtain the irradiated site of light or obtain the state of reflected by objects light.

Then, the action to embodiment shown in Figure 15 is elaborated with reference to Figure 16 and other accompanying drawings.

The formation of dental models:

Use Gypsum Fibrosum, curable resin etc., utilize technique known make earlier model that implant plants upright portion and adjacent teeth and with the dental models (bite) of the subtend flank of tooth (occlusal surface) of this position subtend.Preferred this dental models utilizes known method to form, and is actual shape.

The shape measure of damaged periphery (operation 201 of Figure 16)

Dental models 13 is fixed in measures object stage 17, the irradiation of scanning ground is from the laser of illumination part 10, by light accepting part 11 directly or accept the reflected light of laser via reflecting mirror 12 reflections.

The method of scanning ground irradiating laser also can be shone the method for dental models for the reflecting mirror that utilizes duty via this work reflecting mirror from fixed light source except that the method that light source is moved.For example also can utilize the movable reflecting part 101 of Figure 15, the reflected light 101b from the irradiates light 101a of light output part 10 reflection is radiated on the dental models.Its reflection back light turns back to light accepting part 11 or intactly directly accepts light by light accepting part 11 through identical light path once more sometimes.

With respect to illumination path 10b via reflected light path 10c, and reflected light path 10h, reflecting mirror 12, reflected light path 10i and accept light.In addition, represent, but optical axis is also consistent sometimes in the mode that illumination path is different with reflected light path.

Make this reflected light that receives pass in the light accepting part 11, by the uniaxial crystal unit of polarized light piece clamping, be converted to the convert light of interference fringe shape, with CCD photographing unit 11d etc. to this convert light take, two-dimensional image dataization, and it is transferred to signal processing apparatus 15.Signal processing apparatus 15 based on above-mentioned computing, obtains range information 10L according to the convert light of this interference fringe shape, and with its temporary transient storage.

Illumination part 10 is along the vibration of 10a direction, and light is exported in scanning.For example, with respect to illumination path 10d, be reflected light path 10e, in addition, when for the state of laser vibration, with respect to illumination path 10f, be reflected light path 10g, light accepting part 11 is handled storage according to the reflected light in each scanning process with 15 pairs of convert light information of signal processing apparatus.

This scanning makes irradiates light carry out along x, the displacement of y direction according to the mode that spreads all over dental models 13 integral body, calculates the range information (positional information) of reflection position and light accepting part 11 successively according to convert light, is recorded in signal processing apparatus 15.Interconnect and three-dimensional shape dataization while the information enforcement straight line polishing of adjusting the distance, curve polishing, as required, also can on the monitor of signal processing apparatus 15, show imaginary dental models, confirm whether consistent with actual dental models.

After resulting data three-dimensional shape dataization, the shape data at its peripheral position when obtaining that the implant abutment is adjusted to plumbness and the data between adjacent teeth.

Figure 17 A represents according to the resulting imaginary shape of dental models data, Figure 17 B represents subtend denture occlusal surface shape (bite), Figure 18 A represents to make the state of Figure 17 A rotation from laterally seeing, Figure 18 B represents to make the imaginary interlocking pattern of dental models and bite coincidence.

The shape measure of bite (operation 202 of Figure 16)

Bite (subtend odontoid) is fixed in measurement object stage 17, and the irradiation of scanning ground directly or via reflecting mirror 12 is reflected the reflected light of accepting laser from the laser of illumination part 10 by light accepting part 11.

Also can return in the roughly consistent mode of optical axis via reflected light path 10c, and accept light via irradiation reflected light path 10i, reflecting mirror 12, irradiation reflected light path 10j with respect to illumination path 10b.In addition, reciprocal even so light path represents according to the mode of optical axis unanimity, but is not limited to this, also can be different light paths sometimes.

Make this reflected light that receives pass in the light accepting part 11, by the uniaxial crystal unit of polarized light piece clamping, be converted to the convert light of interference fringe shape, two-dimensional image dataization is transferred to signal processing apparatus 15 with it.Signal processing apparatus 15 obtains range information 10L according to the convert light of this interference fringe shape, and with its temporary transient storage.

This scanning irradiation makes irradiates light carry out along x, the displacement of y direction according to the mode that spreads all over bite integral body, calculates the range information of reflection position and light accepting part 11 successively according to convert light, is recorded in signal processing apparatus 15.Implement straight line polishing, curve polishing three-dimensional shape dataization while the information of adjusting the distance, as required, also can on the monitor of signal processing apparatus 15, show imaginary bite 301 (Figure 17 B represents the back side), confirm whether consistent with actual bite.

Numerical value correction (operation 203 of Figure 16)

Then, carry out the implant abutment and reach vertical adjusting (operation 203 of Figure 16).That is,, make insert is added the tooth base in man-hour and the relation of cutting tool becomes roughly the same state by the note operation that the upright angle of planting of the implant abutment imported as three-dimensional data is revised.After the top ends of handling implant becomes vertical state, the shape of periphery is measured processing, obtain coordinate.

The formation of tooth neck shaped (operation 204 of Figure 16)

Under the state after the adjusting,, obtain boundary line data, maximum rich and prosperous data that insert needs according to the data after the angular adjustment.According to these data, form actual maximum rich and prosperous and boundary line wanting the artificial tooth shape that obtains imaginaryly, and according to the data of previous bite data on overlap (Figure 18 B), obtain the occlusal surface shape, obtain the altitude information (operation 204 of Figure 16) of artificial tooth simultaneously.These data are synthetic, just obtain the imaginary artificial tooth shape data of tooth cervical region, but from rich and prosperous of maximum to also can forming the boundary line, as long as do not form extra gap at least by the such spline curve polishing method that does not contact with adjacent teeth side data.

Inlay the formation (operation 205 of Figure 16) of interior shape

Then, from the data base, read the implant shape data of this use, form the installing hole inner face data of seeing from the bottom surface of insert (operation 205 of Figure 16) thus.

The implant shape is the data base system more then of datumization in advance preferably, but waits in kind after a little while, also can manually import successively, sometimes also can data base system.

In addition, also can compare with the shape data of implant abutment on the dental models this moment, carries out the shape correction.

The formation of bottom shape data (operation 206 of Figure 16)

The bottom shape data and the inner face data of above-mentioned tooth cervical region are synthetic, form bottom shape data (operation 206 of Figure 16).

Synthetic (operation 207 of Figure 16) of insert shape

Tooth cervical region upper data and bottom shape data is synthetic, imaginary insert (crown) shape data (operation 207 of Figure 16) that the implant abutment that formation is tilted is used.

Use the selection of tooth base from ready-made tooth base data base's processing:

After grasping global shape, the tooth base of retrieval and this shape approximation.By obtain carrying out this retrieval from the imaginary data shown in Fig. 9 A and Fig. 9 B, from catalog shown in Figure 10, find out immediate data for the value that definite tooth base uses.Fig. 9 A and Fig. 9 B are 2-D data, but also can be according to three-dimensional data, setting is equivalent to the sampling point of the position shown in Fig. 9 A and Fig. 9 B, form the retrieval input value, Fig. 9 A is the figure of state that represents the imaginary data of dental models two-dimensionally, and m is a gingiva portion, and ms is the object stage installation portion, m2 is the implant abutment, and m1 and m3 are the adjacent teeth shape.Obtain distance H A3, the adjacent teeth m1 of adjacent teeth m1 and implant abutment m2, the distance H A1 of m3 according to Fig. 9 A.

Fig. 9 B is data of seeing dental models from top, the distance H A4 of the profile when obtaining facewidth HA2, the implant abutment m2 along denture and measuring the facewidth.The measuring position of Fig. 9 A and Fig. 9 B is an example eventually, but also can be by the distance with the different same positions of data repeated measure, and equalization obtains more accurate value then.

Figure 10 is an example of data base's login form, except that the data rows of handling usefulness, constitute by shape reading window (expression shape), the specification data row (expression specification) that on the monitor of the signal processing apparatus 15 of written or Fig. 1, can determine, consult range data HA1～HA4 of obtaining by previous model regular data etc. on one side and represent that the denture sequence number of tone and mosaic site determines by range estimation.In shape reading window, 121 is tooth base working position, and 122 is spherical bracing piece joint portion.

Spherical bracing piece joint portion 122 is so long as any can getting final product with the bonded size of bracing piece also can be all identical size.

The processing formation of tooth base:

For the implant that the rectilinear clamp for machining processing that is comprised vertically extending drill bit by the determined approximate tooth base of the data base of Figure 10, usefulness is tilted, based on by the previous resulting angle of inclination (α of implant abutment data, θ), utilize bonding agent, spherical bracing piece joint portion 122 is combined with the bracing piece 124 that usefulness is installed with the processing machine shown in Figure 12 A and Figure 12 B.

(α θ) for example is expressed as follows the meaning: when being the center with the z axle, on yz or xz plane, the amount of mobile θ then, on the xy plane, during the amount of mobile α, obtains actual angle to angle.In addition, XA represents to process the major axis with the tooth base, and XB represents the major axis of bracing piece 124.

The faying face of preferred bracing piece 124 and spherical bracing piece joint portion 122 possesses along the shape of the sphere of bracing piece joint portion, but is not limited to this, so long as can realize at least with sphere contact and the shape of joint gets final product.

Reference number 121 is for using the tooth base working position of tooth base with the selected ready-made processing of Figure 10, the linking part 123 that available processing drill bit cuts, spherical bracing piece joint portion 122 form.Among the figure, XA represents the major axis of linking part 123, spherical bracing piece joint portion 122, and XB represents the major axis of bracing piece.(α θ) becomes the angle of inclination of implant abutment for XA and XB angulation.

The processing processing of tooth base:

To use the tooth base with the horizontal mounting shown in Figure 13 A, Figure 13 B, Figure 14 A and Figure 14 B with Figure 12 A and the resulting processing of Figure 12 B, with processing machine shown in Figure 15, the milling cutter 13b that vertically extends is moved at this state lower edge x, y and z direction of principal axis, processing is carried out grinding with tooth base 121.

Be preferably bracing piece installation portion 13a and bracing piece 124 a chimeric fixed formation of direction.Sometimes the shape of milling cutter (processing rotary drilling-head) 13b also can automatically switch.

As shown in FIG. 13A, according to the processing mode of the bottom surface of tooth base 121, be installed in bracing piece installation portion 13a towards the top.

Milling cutter 13b keeps this state, and an edge x, y and the rotation of z direction are moved on one side, with the working position of tooth base 121 surperficial contact on one side carry out grinding on one side.

Figure 13 A illustrates the state that carries out grinding to the curve polishing data of boundary line Hm based on from the line (HAL) of representing maximum rich and prosperous portion, and Figure 13 B utilizes part sectioned view that the state that moves based on implant insertion section bit data 132, end mill(ing) cutter 13b and carry out grinding is described.

In addition, the processing of this moment tilts to be connected with bracing piece 124 with tooth base 121, so implant insertion position 123 becomes the state (subvertical state) that can carry out grinding by milling cutter 13b, becomes the state of easy processing.

Figure 14 A represents to determine with the interlocking pattern shown in Figure 18 B the state of the occlusal surface 143 on artificial tooth top.Reference number 141a represents the image of subtend tooth, the 141st, and with the shape that the surface configuration of subtend tooth is taken into image, be the occlusal surface shown in Figure 17 B.The ready-made occlusal surface of the ready-made approximate tooth base of 145 expressions, milling cutter 13b carries out grinding to ready-made occlusal surface 145, so that obtain the occlusal surface 142 that the technology by previous Figure 16 forms based on the shape that is obtained by occlusal surface 141.

Sketch map when Figure 14 B is the expression grinding.At last linking part 123 is ground off and finish artificial tooth.

In addition, present embodiment has been represented the example of the processing unit (plant) of vertical drill bit, but is not limited to this, for example, if,, also can generate process data and process even then abutment (implant) data are revised on out of plumb ground with 5 multi-shaft processing machines such as grade.In addition, also can utilize the spy to open the so-called rapid shaping formula processing machine of record such as flat 2-46840 communique.

Further, referring again to Figure 15 etc. another embodiment is elaborated.In addition, the formation of Figure 15 before had been described in detail, therefore was omitted in this multiple explanation.

Next, the action to another embodiment shown in Figure 15 is elaborated with reference to Figure 16 and other accompanying drawings.In addition, also have and the multiple part of the above embodiments in this explanation, therefore the repetitive description thereof will be omitted.

The formation of dental models:

With reference to above-mentioned.

The shape measure of damaged periphery (operation 201 of Figure 16)

With reference to above-mentioned.

The shape measure of the subtend flank of tooth (operation 202 of Figure 16)

In the present embodiment, the shape measure of the subtend flank of tooth utilize subtend tooth model and bite the two.

The subtend tooth model adopts the die of subtend tooth, injects Gypsum Fibrosum etc. to die, it is solidified wait the formation convex model, then, the surface configuration of this subtend tooth model is carried out three-dimensional measurement and datumization.At this moment, as long as have the occlusal surface data of tooth and to the shape data of maximum rich and prosperous portion.

The lamellar die of tooth interlock side by side obtains possessing the bite of the concaveconvex shape of interlocking pattern.

In addition, even do not form the subtend tooth model, also can only obtain subtend flank of tooth data with bite.The purpose of bite is to obtain tooth engaged positional information each other, but also can obtain engagement, therefore by obtaining the surface configuration of bite, can obtain the dental surface data of insert.

Bite is that purpose forms to obtain engagement, therefore its thickness attenuation sometimes, the bite of a perhaps damaged periphery because of material, take method fully not reflect the subtend odontoid, but in this case or wish to obtain also can forming the subtend tooth model sometimes under the higher occlusal situation of precision.

In addition, under the situation that forms subtend tooth model and bite, carry out occlusal location, dispose the subtend tooth model to oriented position then imaginaryly, obtain preferred formation in this by bite.

In this operation, also same with the foregoing description, the subtend flank of tooth (subtend odontoid) to be fixed in to measure object stage 17, the irradiation of scanning ground is from the laser of illumination part 10, by light accepting part 11 directly or accept the reflected light of laser via reflecting mirror 12 reflections.

Also can return in the roughly consistent mode of optical axis via reflected light path 10c, accept light via irradiation reflected light path 10i, reflecting mirror 12, irradiation reflected light path 10j for illumination path 10b.In addition, light path and so forth represents by the mode of optical axis unanimity, but is not limited to this, also can be different light paths sometimes.

Make this reflected light that receives pass the interior uniaxial crystal unit by the polarized light piece clamping of light accepting part, be converted to the convert light of interference fringe shape, two-dimensional image dataization is transferred to signal processing apparatus 15 with it.Signal processing apparatus 15 obtains range information 10L from the convert light of this interference fringe shape, and with its temporary transient storage.

The scanning irradiation makes irradiates light carry out along x, the displacement of y direction according to the mode that spreads all over subtend flank of tooth integral body, calculates the range information of reflection position and light accepting part 11 successively according to convert light, is recorded in signal processing apparatus 15.Information is implemented straight line polishing, curve polishing three-dimensional shape dataization while adjusting the distance, as required, also can on the monitor of signal processing apparatus 15, show the imaginary subtend flank of tooth 301 (Figure 17 B represents the back side), confirm whether consistent with the actual subtend flank of tooth.

Numerical value correction (operation 203 of Figure 16)

With reference to above-mentioned.

The formation of tooth neck shaped (operation 204 of Figure 16)

With reference to above-mentioned.

Inlay the formation (operation 205 of Figure 16) of interior shape

With reference to above-mentioned.

The formation of bottom shape data (operation 206 of Figure 16)

With reference to above-mentioned.

Synthetic (operation 207 of Figure 16) of insert shape

With reference to above-mentioned.

In addition, be not limited to the implant abutment, even the abutment tooth model that obtains by natural abutment tooth, sometimes also can be to carry out the making of insert by same order.

With reference to above-mentioned.

Determining of imagination insert data:

As above-mentioned obtain shape data after, based on shape data, form imaginary three-dimensional insert, show that on monitor imagination ground is filled in insert the state of damaged portion.

Under this state, on monitor, show the subtend flank of tooth data (preferred bite data) of subtend.Though the position of the last lower teeth the during engagement of bite data representation owing to also have the concavo-convex of engagement surface, even therefore specially do not obtain the occlusal surface shape of subtend tooth, also can be carried out sufficient interlock by the bite data and regulate.

Contact crown data and subtend flank of tooth data that imagination forms imaginaryly.Under state of contact, show jaw movement degree menu.For example can select: 1, forward-reverse motion menu: displacement; 2, lateral movement menu: move angle, displacement, angle, sagittal condyle road, Bennett angle (ベネ Star ト angle); 3, menu such as operation lateral movement menu.

By selecting this menu, the action according to this menu is carried out in the action of interfaces such as mouse, stick, and restriction is to the action of other directions.By action according to this menu, do not need the excision of part etc., regulate occlusal shape.

In addition, choice menus for example can not move for following selection: if mouse yet, then make its when action, become the forward-reverse motion, when pushing right button and make its action when pushing left button, become lateral movement, make its when action, become the operation lateral movement when pushing both sides' button.

Also can for: when this moves, variations such as the color of the part of intersection, pattern, at this moment, when pushing the specific key of keyboard, this part is just deleted.

In addition, except that the motor function that this occludator has, can be central point vertically also from state of contact with 30～60mm, left-right and front-back ground with 3 °～10 °, preferred about 5 ° carry out pendular movement.

Figure 19～Figure 21 all be be shown in monitor picture that computer is connected on the figure of one of the adjusting of state when representing to carry out actual masticatory movement example.

Figure 21 A and Figure 21 D are examples of state shown on the actual calculation machine, are the figure of a direction of expression.As the CG picture, according to circumstances, show as the three-dimensional picture of having implemented color three-dimensionally.

Figure 19 A represents that the imaginary state that coincides with defect with subtend flank of tooth data (occlusal surface of subtend) 111 and tooth defect model data 112 is shown in the state of monitor.The data of tooth defect model data 112 for forming from actual defect portion impression taking form adjacent teeth data 113,114 together.Subtend flank of tooth data 111 are the occlusal surface data of subtend, also corresponding shape with the position that is equivalent to subtend tooth and adjacent teeth at the position that is positioned at actual defect portion.

If be equivalent to damaged the subtend tooth 111a of portion of the subtend flank of tooth data 111 of damaged portion, subtend number of teeth tooth defect portion model data 112 and adjacent teeth data 113 subtends, establish the subtend number of teeth with adjacent teeth data 114 subtends according to being 111c according to being 111b.

Under this state, obtain the boundary line data according to abutment tooth data 115, according to obtaining maximum rich and prosperous data between adjacent teeth 113 and the adjacent teeth 114, damaged the subtend tooth 111a of portion according to the subtend flank of tooth obtains the occlusal surface data, and subtend flank of tooth data 111 and tooth defect portion model data 112 are overlapped.

The adjacent teeth 113 and the subtend number of teeth are overlapped according to 111b, the adjacent teeth 114 and the subtend number of teeth are overlapped according to 111c, under this state, be parameter with the altitude information of insert, the width data of oral cavity inward-outward direction etc. respectively, from the ready-made approximate tooth base data of libraryization in advance, select suitable tooth base.

Then, shown in Figure 19 B, form the conceived model of the state of having inlayed imaginary insert, this imagination insert will be similar to the tooth base and actual defect portion data are coincide.

Occlusal surface is regulated:

Then, following action is elaborated: subtend flank of tooth data and damaged data are moved mutually, carry out the adjusting of the occlusal surface data of imaginary insert with reference to Figure 20 and Figure 21.

Figure 20 is the profile with the denture data shown in line segment A-A ' cut away view 21A and Figure 21 B.In addition, these accompanying drawings all are the figure that schematically represents the demonstration on the monitor.

Shown in Figure 20 A, subtend flank of tooth data 111 are presented on the imaginary insert data 116.Figure shown in phantom subtend tooth and the open state of lower jaw.

Shown in Figure 20 B, move it according to the mode that subtend flank of tooth data 111 are placed on the insert data 116.At this moment, monitor the coincidence of adjacent teeth, the starting point of regulating as interlock with the high state of consistent degree.

In the coincidence of adjacent teeth, the part that increases the adjacent flank of tooth 113 and adjacent flank of tooth 111b and the adjacent flank of tooth 114 and contacting of adjacent flank of tooth 111c, the state that will have some width and not intersect (promptly, even on data, intersect and in fact also Uncrossed state) as stinging tight state, so the above carries out the adjacent teeth 111b of the subtend flank of tooth, the setting that 111c advances no longer downwards.

If monitor adjacent teeth 111b and the profile of 111c or the position of regulation of subtend flank of tooth data continuously or periodically, the data volume of intersection surpasses certain and stipulates that when above, then the mode that no longer moves according to subtend flank of tooth data is as mentioned above set.

This state becomes the tight state of stinging, and is preferably reaching under the state of this value, and moving on imaginary insert shown in Figure 20 C～Figure 20 D carried out.Shown in Figure 20 B, preferably by the contact condition of biphase adjacent teeth tooth, docking port self also brings the mode of influence.

Shown in Figure 20 C, carry out masticatory movement with respect to the subtend tooth.In addition, in fact carry out masticatory movement, but make the simple involutory mobile ratio of formation make complicated constitute involutory mobile easier by the motion of lower jaw realization.

For Figure 20 C, interlock is regulated and preferably to be carried out according to jaw movement, therefore can the designated movement menu, under the situation of having specified a motion menu, utilize interfaces such as mouse, stick, and specify the menu of actual jaw movement.For example show: 1, forward-reverse motion menu: displacement; 2, lateral movement menu: move angle, displacement, angle, sagittal condyle road, Bennett angle; 3, menu such as operation lateral movement menu.

When select aforesaid menu one of them the time, interface only carries out the mobile demonstration along with the jaw movement direction of this menu, in addition, even various interface is moved, icon on the picture is not followed moving of this interface yet, only carries out the motion permissible range (only carrying out the motion in the scope at menu movement only).

Motion is represented the sliding motion shown in rotatablely moving shown in Figure 20 C, Figure 20 D as an example.

Figure 20 C forms with central point o (123) and is the center, is respectively-5 ° and+5 ° states that make its pendulum shape ground motion with two angles (122).By this pendular movement, has the part of insert surface and data cross.This part by operating, is come deleted data as deleted part 117e, 117f and painted automatically on picture, eliminate painted.

Figure 20 D is by moving abreast from the state all around shown in Figure 20 B, on one side part 117g, the 117h of the data of the subtend flank of tooth and the occlusal data cross of insert is painted, on picture, move on one side.The part of variable color also can be clicked deletion by operator's wish.

Actual jaw movement is the compound motion of above-mentioned motion menu, carries out the interlock adjusting but preferably set can form with the such motion menu of actual identical occlusal surface.In addition, also can realize being equivalent to the rotation of actual jaw movement and the switching mouth motion of sliding, slide the place ahead motion, the lateral movement that become main body by moving of interface, the part that identification ground video data intersects can be deleted or deletion automatically.

Below, the monitor picture of regulating with reference to the interlock of carrying out on computers describes more practically.

Figure 21 A is the axonometric chart that expression adds the insert shown in Figure 19 B the state of damaged data.

Then, Figure 21 B represents the state of subtend flank of tooth data 111 coincidences on tooth defect portion model data 112.Subtend flank of tooth data 111 be for seeing the state at its back side, represent by the difference of color etc. but intersect data 117a.

Subtend flank of tooth data shown here are used the bite data, as the shape data of the subtend flank of tooth model of taking these bite data from the subtend tooth, preferably, also can be replaced into the shape data from the interlock flank of tooth to the rich and prosperous portion of maximum sometimes.

This is partly with sampling point, when by clicking operation, when key operation is deleted, becomes color and other form and aspect state together of this part, and the data of intersecting disappear.

Crossing number border factually is contact up and down and connects the position that hangs that by the operation with its deletion, cutting is also regulated this part with routine data.

Then, regulate menu, carry out the pendular movement of the subtend flank of tooth shown in Figure 20 C, the parallel motion shown in Figure 20 D by interlock.

Move by the subtend flank of tooth 111, the data 117b that intersects manifests (Figure 21 C), with this data deletion.Next, move by the subtend flank of tooth 111, the data 117c that intersects manifests (Figure 21 D), with this data deletion.Repeat this operation, revise the surface configuration data of ready-made insert.Like this, by revising, shape forms correct insert.

In order to realize comprising the function action of above-mentioned adjusting device, even the common software of selling on the use market (" Off リ one Off オ one system モデリ Application グ " (trade mark) of セ Application サ Block Le テ Network ノロジ one ズ society system) also can realize, also it can be compiled to wait and use in the software of special use.

Figure 22 represents an example of actual insert shape data.Figure 22 is for being made of with data following processing and the imaginary fluid mosaic model on the monitor picture of computer of appearing before one's eyes, these processing data are: select the mould shapes data suitable with approximate model from the measurement data such as boundary line data that obtain according to abutment tooth shape and bite surface, the bite shape is pressed close in the data of approximate model measurement data is carried out the data that computing obtains, and jaw movement is transformed to pendular movement, regulate the processing data that the occlusal surface data obtain.Among the figure, reference number 101 is an occlusal surface, and 102 is maximum rich and prosperous portion.103 is the boundary line, and 104 for pressing close under the state of bite, being similar to the occlusal surface that the pendular movement of jaw movement realizes and regulating part.

According to imaginary shape based on this measurement data, the approximate tooth base of reality is carried out machining, but in the imagination stage, whether can on monitor, confirm the model of suitable abutment tooth, adjacent teeth.

Figure 23 represents that imagination ground is embedded in insert the state of damaged portion.Figure 23 represents processing shown in Figure 22 is installed on insert conceived model 100 state of abutment model.This figure is the figure that is illustrated in the result who is carried out on the monitor of computer, is the figure which kind of state the denture of expression after actual the inlaying reaches.Among the figure,

reference number

105 and 106 is the adjacent teeth conceived model.107 is the gingiva conceived model.

The processing formation of tooth base:

With reference to above-mentioned.

The processing processing of tooth base:

With reference to above-mentioned.

Utilizability on the industry

As mentioned above, according to the present invention, even plant vertical artificial tooth root and produce in the situation about tilting actual, also can utilize CAD/CAM approach, form the implantation artificial tooth that is positioned at denture, realize that therefore dentistry implants popularizing of field and expansion.

In addition, according to the present invention, as non-cpntact measurement, and by more correctly in even the scope of light also can be accepted in the inclined plane, obtaining the method for surface configuration, obtain the adjustable three-dimensional shape data on the view data, by this shape data, can obtain the insert as purpose, therefore effectively be used in rapider and correct dentistry insert and make the field.

Claims

1. dental inlay graft measuring/machining system, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert is processed, this dental inlay graft measuring/machining system comprises as lower device:

2. dental inlay graft measuring/machining system as claimed in claim 1, wherein, described interlock adjusting device also possesses adjusting device, whether this adjusting device is being under the situation of reference value with occlusal concavo-convex contact of described subtend with the imaginary denture that should regulate inlaid shapes by this interlock adjusting device, when the value of expression polarization counter-rotating, the value that obtains so that the direction coordinate in the coordinate of the coordinate of imaginary denture and imaginary denture is carried out computing is the coordinate of imaginary denture.

3. dental inlay graft measuring/machining system as claimed in claim 1 or 2, wherein, described jaw movement carries out with the mobile interlock that is connected in the man-machine interface of computer.

4. as each described dental inlay graft measuring/machining system in the claim 1～3, wherein, described imaginary motion is the form of pendular movement, and carries out described imaginary motion in the scope of angle ± 3 °～± 10 ° that with the position apart from the crown surface radius 30～60mm of described imaginary denture is the center.

5. as each described dental inlay graft measuring/machining system in the claim 1～4, wherein, described motion is at described imaginary denture upper edge denture direction vertical ground motion.

6. as each described dental inlay graft measuring/machining system in the claim 1～5, wherein, the subtend occlusal surface of described imaginary denture and described subtend tooth is respectively dental models.

7. dental inlay graft measuring/machining system, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert is processed, this dental inlay graft measuring/machining system comprises as lower device:

The imagination denture, it has the shape of damaged and adjacent teeth;

8. dental inlay graft measuring/machining system as claimed in claim 7, wherein, described imaginary denture is the dental model that possesses damaged portion and clip the adjacent teeth of this damaged ground configuration.

9. as claim 7 or 8 described dental inlay graft measuring/machining systems, wherein, form described catoptrical irradiates light to described imaginary denture in the boundary line, maximum rich and prosperous and occlusal surface position strengthen scanning density.

10. as each described dental inlay graft measuring/machining system in the claim 7～9, wherein, described convert light is the interference fringe light based on digital hologram method or awl light polarization holography method.

11., wherein, on described imaginary denture, also have abutment at described damaged as each described dental inlay graft measuring/machining system in the claim 1～10.

12. dental inlay graft measuring/machining system as claimed in claim 11, wherein, described abutment is the abutment of implant abutment or natural teeth.

13. as claim 11 or 12 described dental inlay graft measuring/machining systems, wherein, described abutment at a slant.

14. as each described dental inlay graft measuring/machining system in the claim 6～10, wherein, described imaginary denture is planted the upright implant abutment that has in its damaged inclination, and the light irradiation device that also has the described imaginary denture of irradiation, throwing light on one side by the surperficial of the described imaginary denture of irradiates light one scan edge from this light irradiation device, and described infrared rays receiver is moved with the translational speed identical with described irradiates light or be fixed under the state of assigned position, described infrared rays receiver is accepted from the reflected light of described imaginary denture reflection, and the position of the inclination of described implant abutment is measured.

15. a dental inlay graft measuring/machining system, its non-contactly three-dimensional measurement have the shape of the imaginary denture of damaged portion, based on this measurement result, the dentistry insert is processed, this dental inlay graft measuring/machining system comprises as lower device:

The supporting object stage, the described imaginary denture of its mounting;

16. as each described dental inlay graft measuring/machining system in the claim 1～15, it implements described measurement and manufacturing procedure outside the oral cavity.