CN106456305B - A kind of jaw relationship recording method and device - Google Patents
A kind of jaw relationship recording method and device Download PDFInfo
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- CN106456305B CN106456305B CN201580000083.7A CN201580000083A CN106456305B CN 106456305 B CN106456305 B CN 106456305B CN 201580000083 A CN201580000083 A CN 201580000083A CN 106456305 B CN106456305 B CN 106456305B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
- A61C19/05—Measuring instruments specially adapted for dentistry for determining occlusion
Abstract
A kind of jaw relationship recording method, including：Lower jaw buccal labial surface scan data (101) is obtained by scanning buccal labial surface of the upper lower jaw exposed between bilateral bicker under predetermined jaw relationship；Upper gnathode and mandibular model are scanned respectively, obtain upper jaw model scanning data and mandibular model scan data (102)；According to the common region in upper lower jaw buccal labial surface scan data and upper and lower gnathode scan data, upper and lower gnathode scan data is aligned upper lower jaw buccal labial surface scan data respectively, obtains jaw relationship 3 d scan data (103).A kind of jaw relationship recording device is also provided.
Description
Technical field
The present invention relates to dentistry field, particularly a kind of jaw relationship recording method and device.
Background technology
During oral restoration, upper lower jaw tooth during in order to simulate the various physiological jaw relationships of the person of being recorded in vitro
The spatial relation of row or edentulous jaw alveolar ridge, the materials such as soft wax or mobility silicon rubber will be scalded in clinic by generally requiring doctor
Material is positioned between mandibular dentition or alveolar ridge, is taken out after hard solid and accurate in place on plaster cast.Operating process is cumbersome,
Especially for the person of being recorded for needing full mouth occlusal reconstruction, not only efficiency is low, and material consolidates time more difficult control firmly, easily
The error of recording process is caused, the dummy related with jaw relationship is influenced and makes precision.Beginner and Oral preventive medicine are difficult
It is quick to grasp and complete in high quality.Even high seniority doctor, also needs to expend a large amount of clinical time, influences clinic diagnosis effect
Rate.
Invention content
It is an object of the invention to improve the operating efficiency and precision of jaw relationship record.
According to an aspect of the present invention, a kind of jaw relationship recording method is proposed, including：
Lower jaw buccal labial surface scan data in acquisition, upper lower jaw buccal labial surface scan data pass through in the case where keeping predetermined jaw relationship
Scan buccal labial surface generation of the upper lower jaw exposed between bilateral bicker；It obtains upper jaw model scanning data and mandibular model is swept
Data are retouched, wherein, upper jaw model scanning data are obtained by scanning the upper gnathode produced, and mandibular model scan data is by sweeping
The mandibular model produced is retouched to obtain；It is scanned according to upper lower jaw buccal labial surface scan data and upper jaw model scanning data and mandibular model
Common region in data, respectively by upper jaw model scanning data and the upper lower jaw buccal labial surface scanning of mandibular model scan data alignment
Data obtain jaw relationship 3 d scan data.
Optionally, lower jaw buccal labial surface scan data is in acquisition：Mandibular dentition buccal labial surface scan data in acquisition, wherein,
Upper mandibular dentition buccal labial surface scan data is by scanning the upper mandibular dentition exposed in the case where keeping predetermined jaw relationship positioned at double
Buccal labial surface generation between side port angle；It obtains upper jaw model scanning data and mandibular model scan data is：Obtain maxillary dentition mould
Type scan data and mandibular dentition model scanning data, wherein, maxillary dentition model scanning data are by scanning the upper jaw produced
Dental arch model obtains, and mandibular model scan data is obtained by scanning the mandibular dentition model produced.
Optionally, lower jaw buccal labial surface scan data is in acquisition：Edentia in mandible alveolar ridge buccal labial surface scans number in acquisition
According to, wherein, upper edentia in mandible alveolar ridge buccal labial surface scan data is by scanning what is exposed in the case where keeping predetermined jaw relationship
Buccal labial surface generation of the upper edentia in mandible alveolar ridge between bilateral bicker；It obtains upper jaw model scanning data and mandibular model is swept
Retouching data is：Maxillary edentulous jaw alveolar ridge model scanning data and edentia in mandible alveolar ridge model scanning data are obtained, wherein,
Maxillary edentulous jaw alveolar ridge model scanning data are obtained by scanning the maxillary edentulous jaw alveolar ridge model produced, edentia in mandible
Alveolar ridge model scanning data are obtained by scanning the edentia in mandible alveolar ridge model produced.
Optionally, predetermined jaw relationship includes intercuspal position, mandibular protraction margin location and/or left and right sides method, edge position.
Optionally, predetermined jaw relationship is flesh position.
Optionally, jaw relationship recording method further includes：The Maxillary region vertical range for the person of being recorded is obtained, Maxillary region is vertical
Place between the eyebrows is to the distance at chin bottom when distance be the person's of being recorded jaw relationship is flesh position；Flesh position is made according to Maxillary region vertical range to maintain
Device, it is flesh position that flesh position, which maintains device for maintaining the jaw relationship for the person of being recorded,；Device maintenance is maintained to be recorded using flesh position
The jaw relationship of person is flesh position.
Optionally, the Maxillary region vertical range for obtaining the person of being recorded includes：At Maxillary region vertical demension measurement ruler acquisition
In rest position the person's of being recorded place between the eyebrows to chin bottom distance；The distance of the place between the eyebrows of acquisition to chin bottom is reduced into 2mm~3mm, is made
Maxillary region vertical range for the person of being recorded.
Optionally, making flesh position maintenance device according to Maxillary region vertical range is：Jaw is locked according to Maxillary region vertical range
The pointer of facial vertical demension measurement ruler.
Optionally, making flesh position according to Maxillary region vertical range maintains device to further include：It is filled up with mobility quick-set
Space between Maxillary region vertical demension measurement ruler and chin portion front surface skin surface.
Optionally, it is that flesh position is device to be maintained to maintain the jaw relationship for the person of being recorded using flesh position：By Maxillary region vertically away from
The place between the eyebrows of the top pointer alignment person of being recorded from measuring scale；The chin portion for the person of being recorded is made to resist Maxillary region vertical demension measurement ruler
Lower part pointer.
Optionally, according in upper lower jaw buccal labial surface scan data and upper jaw model scanning data and mandibular model scan data
Common region, respectively by upper jaw model scanning data and the upper lower jaw buccal labial surface scan data of mandibular model scan data alignment,
Obtaining jaw relationship 3 d scan data is：By iteration with regard to proximal method ICP respectively by upper jaw model scanning data and lower jaw mould
The upper lower jaw buccal labial surface scan data of type scan data alignment, obtains jaw relationship 3 d scan data.
Optionally, according in upper lower jaw buccal labial surface scan data and upper jaw model scanning data and mandibular model scan data
Common region, respectively by upper jaw model scanning data and the upper lower jaw buccal labial surface scan data of mandibular model scan data alignment,
Obtaining jaw relationship 3 d scan data is：At least 3 pairs of upper jaw model scanning data are demarcated respectively to scan with upper lower jaw buccal labial surface
Pair of the corresponding points of common region and mandibular model scan data and common region in upper lower jaw buccal labial surface scan data in data
Ying Dian；According to corresponding points, upper jaw model scanning data are obtained respectively and the conversion of upper lower jaw buccal labial surface scan data coordinate system is closed
System and mandibular model scan data and the transformational relation of upper lower jaw buccal labial surface scan data coordinate system；According to transformational relation, difference
Upper jaw model scanning data and mandibular model scan data are transformed under the coordinate system of upper lower jaw buccal labial surface scan data, obtained
Jaw relationship 3 d scan data.
By such method, the cumbersome behaviour by hand that various jaw relationships are recorded in traditional oral clinic diagnosis can be substituted
Make step, it is maxillomandibular when being in predetermined jaw relationship by scan data and the alignment of data fast recording person of being recorded lower jaw
Spatial relation, meanwhile, the error caused by applying various jaw relationship recording materials possible can be reduced, is increased substantially
Operating efficiency and precision.
According to another aspect of the present invention, a kind of jaw relationship recording device is proposed, including：Buccal labial surface data acquisition mould
Block, for obtaining upper lower jaw buccal labial surface scan data, upper lower jaw buccal labial surface scan data passes through in the case where keeping predetermined jaw relationship
Scan buccal labial surface generation of the upper lower jaw exposed between bilateral bicker；Model data acquisition module, for obtaining upper jaw mould
Type scan data and mandibular model scan data, wherein, upper jaw model scanning data are obtained by scanning the upper gnathode produced,
Mandibular model scan data is obtained by scanning the mandibular model produced；Alignment of data module, for according to upper lower jaw buccal labial surface
Scan data and the common region in upper jaw model scanning data and mandibular model scan data, respectively by upper jaw model scanning number
Upper lower jaw buccal labial surface scan data is aligned according to mandibular model scan data, obtains jaw relationship 3 d scan data.
Optionally, buccal labial surface data acquisition module, for obtaining upper mandibular dentition buccal labial surface scan data, wherein, up and down
Jaw denture buccal labial surface scan data is located at bilateral mouth by scanning the upper mandibular dentition exposed in the case where keeping predetermined jaw relationship
Buccal labial surface generation between angle；Model data acquisition module, for obtaining upper jaw model scanning data and mandibular model scan data
For：Maxillary dentition model scanning data and mandibular dentition model scanning data are obtained, wherein, maxillary dentition model scanning data are led to
It over-scans the maxillary dentition model produced to obtain, mandibular model scan data is obtained by scanning the mandibular dentition model produced.
Optionally, buccal labial surface data acquisition module, for obtaining upper edentia in mandible alveolar ridge buccal labial surface scan data,
In, upper edentia in mandible alveolar ridge buccal labial surface scan data in the case where keeping predetermined jaw relationship by scanning the upper lower jaw exposed
Buccal labial surface generation of the edentulous jaw alveolar ridge between bilateral bicker；Model data acquisition module, for obtaining maxillary edentulous jaw tooth
Slot ridge model scanning data and edentia in mandible alveolar ridge model scanning data, wherein, maxillary edentulous jaw alveolar ridge model scanning
Data are obtained by scanning the maxillary edentulous jaw alveolar ridge model produced, and edentia in mandible alveolar ridge model scanning data are by sweeping
The edentia in mandible alveolar ridge model produced is retouched to obtain.
Optionally, predetermined jaw relationship includes intercuspal position, mandibular protraction margin location and/or left and right sides method, edge position.
Optionally, predetermined jaw relationship is flesh position.
Optionally, alignment of data module, for passing through iteration with regard to proximal method ICP respectively by upper jaw model scanning data under
The upper lower jaw buccal labial surface scan data of gnathode scan data alignment, obtains jaw relationship 3 d scan data.
Optionally, alignment of data module is used for：At least 3 pairs of upper jaw model scanning data and upper lower jaw buccal labial surface are demarcated respectively
The corresponding points of common region and mandibular model scan data and common region in upper lower jaw buccal labial surface scan data in scan data
Corresponding points；According to corresponding points, upper jaw model scanning data and turn of upper lower jaw buccal labial surface scan data coordinate system are obtained respectively
Change relationship and mandibular model scan data and the transformational relation of upper lower jaw buccal labial surface scan data coordinate system；According to transformational relation,
Upper jaw model scanning data and mandibular model scan data are transformed under the coordinate system of upper lower jaw buccal labial surface scan data respectively,
Obtain jaw relationship 3 d scan data.
Such device can substitute the cumbersome manual operations step that various jaw relationships are recorded in traditional oral clinic diagnosis
Suddenly, maxillomandibular space during predetermined jaw relationship is in by scan data and the alignment of data fast recording person of being recorded lower jaw
Position relationship, meanwhile, the error caused by applying various jaw relationship recording materials possible can be reduced, increases substantially operation
Efficiency and precision.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of one embodiment of the jaw relationship recording method of the present invention.
Fig. 2 is the flow chart of another embodiment of the jaw relationship recording method of the present invention.
Fig. 3 is the flow chart of another embodiment of the jaw relationship recording method of the present invention.
Fig. 4 is the partial process view of one embodiment of the jaw relationship recording method of the present invention.
Fig. 5 is the flow chart of the further embodiment of the jaw relationship recording method of the present invention.
Fig. 6 is the structure chart of one embodiment of the jaw relationship recording device of the present invention.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the flow chart of one embodiment of the jaw relationship recording method of the present invention.
In a step 101, the buccal labial surface between the exposure person's of being recorded bilateral bicker, keeps the person of being recorded to be in predetermined jaw position pass
System, scanning obtain upper lower jaw buccal labial surface scan data.Predetermined jaw relationship is the jaw relationship for needing to obtain, and can be that cusp is handed over
Dislocation, mandibular protraction margin location, left and right sides method, edge position, flesh position.Oral photographing drag hook can be used, it is upper and lower to pull open the person of being recorded
Lip, lip soft tissue and the mode of bicker above and below the person of being recorded of strutting expose the buccal labial surface between the person's of being recorded bilateral bicker.One
In a embodiment, saliva in exhaustion oral cavity is needed, cleans dry tooth gum or alveolar ridge mucosa surface, to ensure the standard of scanning
Really.The data of scanning can be stored as STL formatted files.
In a step 102, upper gnathode and mandibular model are scanned respectively, obtain upper jaw model scanning data and mandibular model
Scan data.Upper gnathode and mandibular model can be respectively by producing stamp, and the mode for recording plaster cast obtains.Scanning
Data can be stored as STL formatted files.
It in step 103, will be upper according to upper lower jaw buccal labial surface scan data and the common region of upper jaw model scanning data
The upper lower jaw buccal labial surface scan data of gnathode scan data alignment；It is scanned according to upper lower jaw buccal labial surface scan data and mandibular model
Mandibular model scan data is aligned upper lower jaw buccal labial surface scan data, obtained under predetermined jaw relationship by the common region of data
Jaw relationship 3 d scan data.
By such method, the cumbersome behaviour by hand that various jaw relationships are recorded in traditional oral clinic diagnosis can be substituted
Make step, it is maxillomandibular when being in predetermined jaw relationship by scan data and the alignment of data fast recording person of being recorded lower jaw
Spatial relation, meanwhile, the error caused by applying various jaw relationship recording materials possible can be reduced, is increased substantially
Operating efficiency and precision.
When the person of being recorded is without occlusal reconstruction, the flow chart of one embodiment of jaw relationship recording method of the invention
As shown in Figure 2.
In step 201, the upper mandibular dentition buccal labial surface between the exposure person's of being recorded bilateral bicker, keeps the person of being recorded to be in
Predetermined jaw relationship, scanning obtain upper mandibular dentition buccal labial surface scan data.Predetermined jaw relationship is that the jaw position for needing to obtain is closed
System, can be intercuspal position, mandibular protraction margin location, left and right sides method, edge position.Oral photographing drag hook can be used, pulls open and is remembered
The upper and lower lip of record person, the mode for strutting the person of being recorded lip soft tissue and bicker up and down expose between the person's of being recorded bilateral bicker
Upper mandibular dentition buccal labial surface.In one embodiment, it is necessary to saliva in the oral cavity that exhausts, cleans dry tooth and gingival mucosa table
Face, to ensure the accurate of scanning.The data of scanning can be stored as STL formatted files.
In step 202, maxillary dentition model and mandibular dentition model are scanned respectively, obtain maxillary dentition model scanning number
According to mandibular dentition model scanning data.Maxillary dentition model and mandibular dentition model can be recorded respectively by producing stamp
The mode of plaster cast obtains.The data of scanning can be stored as STL formatted files.
In step 203, according to the common of upper mandibular dentition buccal labial surface scan data and maxillary dentition model scanning data
Region, by mandibular dentition buccal labial surface scan data on maxillary dentition model scanning alignment of data；According to upper mandibular dentition buccal labial surface
Mandibular model scan data is aligned upper mandibular dentition lip cheek by the common region of scan data and mandibular dentition model scanning data
Surface scan data obtain the jaw relationship 3 d scan data under predetermined jaw relationship.
By such method, can by scan data and alignment of data fast recording being recorded without occlusal reconstruction
Person's lower jaw is in spatial relation during certain specific jaw relationship, meanwhile, it can reduce since the various jaw relationships of application are remembered
Error caused by record material is possible, increases substantially operating efficiency and precision.
For needing the person of being recorded of occlusal reconstruction, the flow of one embodiment of jaw relationship recording method of the invention
Figure is as shown in Figure 3.
In step 301, the upper edentia in mandible alveolar ridge buccal labial surface between the exposure person's of being recorded bilateral bicker.Holding is remembered
Record person is in predetermined jaw relationship, and scanning obtains upper edentia in mandible alveolar ridge buccal labial surface scan data, since the person of being recorded is
Without dental phenomenon, therefore crestal culmination face can be also exposed, crestal culmination Surface scan data can be obtained simultaneously.The predetermined jaw relationship of scan data is
Flesh position.Oral photographing drag hook can be used, pulls open the upper and lower lip of the person of being recorded, struts the person of being recorded lip soft tissue and bicker up and down
Mode expose the upper edentia in mandible alveolar ridge buccal labial surface between the person's of being recorded bilateral bicker.In one embodiment, it is necessary to
Saliva in exhaustion oral cavity, cleans dry gum, alveolar ridge mucosa surface, to ensure the accurate of scanning.The data of scanning can be with
It is stored as STL formatted files.
In step 302, maxillary edentulous jaw alveolar ridge model and edentia in mandible alveolar ridge model are scanned respectively, in acquisition
Jaw edentulous jaw alveolar ridge model scanning data and edentia in mandible alveolar ridge model scanning data.Maxillary edentulous jaw alveolar ridge model
It can be respectively by producing stamp with edentia in mandible alveolar ridge model, the mode for recording plaster cast obtains.
In step 303, according to upper edentia in mandible alveolar ridge buccal labial surface scan data and maxillary edentulous jaw alveolar ridge mould
The common region of type scan data, by edentia in mandible alveolar ridge lip cheek on maxillary edentulous jaw alveolar ridge model scanning alignment of data
Surface scan data；According to upper edentia in mandible alveolar ridge buccal labial surface scan data and edentia in mandible alveolar ridge model scanning data
Common region, mandibular model scan data is aligned upper edentia in mandible alveolar ridge buccal labial surface scan data, obtains predetermined jaw
Jaw relationship 3 d scan data under the relationship of position.
By such method, being recorded for occlusal reconstruction be needed by scan data and alignment of data fast recording
Person's lower jaw is in spatial relation during predetermined jaw relationship, meanwhile, it can reduce since the various jaw relationships of application record material
Error caused by material is possible, increases substantially operating efficiency and precision.
It, can be by certain due to needing being recorded for occlusal reconstruction that can not assist keeping mandibular location with tooth
Householder method help the person of being recorded keep mandibular location, as shown in Figure 4.
In step 401, the Maxillary region vertical range for the person of being recorded is obtained.Maxillary region vertical range can be the person of being recorded
Place between the eyebrows is to the distance at chin bottom.The person of being recorded is allowed to sit up straight, neck and horizontal plane near normal can use black water-color paintbrush to point with the finger or gesticulate in place between the eyebrows
1 black designation point.Measuring rod above Maxillary region vertical demension measurement ruler is resisted into black designation point, lower section measuring rod is close to chin
Bottom skin, so as to obtain Maxillary region vertical range.In one embodiment, the person of being recorded can be allowed to keep rest position, it will
The distance at the place between the eyebrows measured to chin bottom subtracts 2mm~3mm as Maxillary region vertical range.Rest position refers to the person of being recorded end
Sit, lower jaw is micro- sagging, and facial muscles loosen, upperlip be gently closed in the case of mandibular location.In one embodiment, may be used
It is averaged with multiple (such as 3 times) measurement, reduces the error of measurement.
In step 402, it makes flesh position and maintains device, be used to help the edentulous jaw person of being recorded and lower jaw is kept to be in flesh position.
Can the place between the eyebrows of the top pointer alignment person of being recorded of Maxillary region distance measurement ruler, fixed top pointer be adjusted Maxillary region and hung down
The lower part pointer of straight distance measurement ruler is located at the scale of the Maxillary region vertical range in step 401 and fixation.In one embodiment
In, since certain distance is arranged at the lower part of Maxillary region distance measurement ruler and the chin portion front surface for the person of being recorded, in order to reduce error, adjust
The scale of whole Maxillary region vertical demension measurement ruler is jaw face vertical range, when the person's of being recorded place between the eyebrows alignment Maxillary region vertical range is surveyed
When chin bottom resists lower part pointer, measuring scale body portion and table before chin portion are filled up with mobility rapid hardening silicon rubber for the top pointer of gage
Space between the skin surface of face, to help the horizontal position relationship in fixed chin portion and Maxillary region vertical demension measurement ruler.
In step 403, it is flesh position device to be maintained to maintain the jaw relationship for the person of being recorded using flesh position.Pointer will be adjusted
The place between the eyebrows of the top pointer alignment person of being recorded of the Maxillary region distance measurement ruler of position, if there is mark point, is directed at place between the eyebrows label
Point；The chin bottom for the person of being recorded is allowed to resist lower part pointer, so as to which the lower jaw for the person of being recorded be kept to be in flesh position.
By such method, the edentulous jaw person of being recorded can be assisted to keep flesh position, on the one hand improve accuracy, it is another
Aspect also reduces the requirement maintained to the person's of being recorded posture.
The flow chart of the further embodiment of the jaw relationship recording method of the present invention is as shown in Figure 5.
In step 501, the person's of being recorded place between the eyebrows in rest position is measured to the distance at chin bottom.In measurement process,
The person of being recorded is needed to sit up straight, neck and horizontal plane near normal can use black water-color paintbrush in place between the eyebrows 1 black designation point of strokes and dots.
Confirm that the edentulous jaw person of being recorded lower jaw is in rest position repeatedly, measuring place between the eyebrows index point with Maxillary region vertical demension measurement ruler arrives
The distance values at chin bottom can measure 3 calculating average values.
In step 502, the distance of the place between the eyebrows obtained in step 501 to chin bottom is reduced into 2~3mm, hung down as Maxillary region
Straight distance.
In step 503, Maxillary region vertical demension measurement ruler is locked according to the Maxillary region vertical range obtained in step 502
Pointer.
In step 504, buccal labial surface of the upper lower jaw for the person of being recorded between bilateral bicker is exposed, due to the person of being recorded
Occlusal reconstruction is needed, therefore it is edentulous jaw alveolar ridge buccal labial surface to expose, also part alveolar ridge crestal culmination face.Oral cavity can be used
Photography drag hook, pulls open the upper and lower lip of the edentulous jaw person of being recorded, and the person of being recorded lip soft tissue and bicker up and down is strutted, so as to exposure
Buccal labial surface of the upper and lower edentulous jaw alveolar ridge between bilateral bicker, alveolar ridge top surface.
In step 505, the person's of being recorded lower jaw is made to be closed to edentulous jaw alveolar ridge up and down gently to contact, then by measuring scale
Top pointer coincides with place between the eyebrows, and the person's of being recorded lower jaw resists Maxillary region vertical demension measurement ruler lower part pointer.
In step 506, Maxillary region vertical demension measurement ruler and chin portion front surface body surface are filled up with mobility quick-set
Space between skin.The person of being recorded can be advised, and repeatedly (5-10 times) repeats to remain silent by a small margin, be open resists measuring scale to chin portion
The action (while the tip of the tongue can be aided with and gently rolled rearwardly and upwardly) of lower support pointer, confirm lower jaw flesh position position stablize it is errorless after
The space between measuring scale body portion and chin portion front surface skin surface is filled up with mobility rapid hardening silicon rubber.
In step 507, the region that is exposed in scanning step 504, lower jaw buccal labial surface scan data in acquisition.It can be first
Saliva in oral cavity is removed, dry upper lower jaw alveolar ridge mucosa surface is cleaned, acquisition data is then directly scanned with spatial digitizer.
The data of scanning can be stored as STL formatted files.
In step 508, maxillary edentulous jaw alveolar ridge model and edentia in mandible alveolar ridge mould are scanned with spatial digitizer
Type obtains upper jaw model scanning data and mandibular model scan data respectively.Maxillary edentulous jaw alveolar ridge model and lower jaw anodontia
Jaw alveolar ridge model can be by producing stamp, and the mode for recording plaster cast obtains.The data of scanning can be stored as STL lattice
Formula file.
In step 509, being total to for buccal labial surface is located at based on upper lower jaw buccal labial surface scan data and upper jaw model scanning data
Same region, in three-dimensional reverse engineering software, (such as Geomagic 2012 is produced reverse by U.S. Raindrop (raindrop) company
Engineering and three dimensional detection software) in, by upper jaw model scanning alignment of data in upper lower jaw buccal labial surface scan data；Equally, it is based on
Upper lower jaw buccal labial surface scan data is located at the common region of buccal labial surface with mandibular model scan data, in three-dimensional reverse engineering software
In, mandibular model scan data is aligned in upper lower jaw buccal labial surface scan data.Upper lower jaw buccal labial surface scan data further includes nothing
The person of being recorded of tooth jaw alveolar ridge crestal culmination Surface scan data between bilateral bicker, the partial scan data are also and upper and lower jaw
The common region of model scanning data, therefore the alignment of data can also be carried out based on crestal culmination face common region, it obtains jaw position and closes
It is 3 d scan data or the alignment of data can be carried out with the buccal labial surface of alveolar ridge in common region and crestal culmination face, obtains jaw
Position relationship 3 d scan data.
By such method, can scan data and the acquisition of alignment of data fast recording need the edentulous jaw of occlusal reconstruction
The jaw relationship for the person of being recorded while record efficiency is improved, greatly improves operating efficiency and precision.
In one embodiment, upper jaw model scanning data and mandibular model scan data are aligned upper lower jaw lip cheek respectively
The operation of Surface scan data can be realized by ICP (Iterative Closest Point, iteration is with regard to proximal method), by not
Disconnected iteration minimizes source data with target data corresponding points to realize accurately split.By such method, it can realize soft
Part automatically generates the alignment of data, the step of reducing manual operation, realizes the upper lower jaw lip for including upper lower jaw position relationship
Buccal surface scan data, with including the upper jaw model scanning data of upper jaw total data and the mandibular model of lower jaw total data respectively
The splicing of scan data, so as to obtain complete jaw relationship three-dimensional data.
In one embodiment, upper jaw model scanning data and mandibular model scan data are aligned upper lower jaw lip cheek respectively
The operation of Surface scan data can be by the way that the coordinate system of upper jaw model scanning data and mandibular model scan data be converted respectively
Mode under to the coordinate system of upper lower jaw buccal labial surface scan data obtains.Upper jaw model scanning data and upper lower jaw lip can be demarcated
At least three pairs of common ground in buccal surface scan data common region obtain upper jaw model scanning data according to the coordinate of three pairs of common ground
With the coordinate transformation relation of upper lower jaw buccal labial surface scan data, such as spin matrix R and translation vector T, by the way that upper gnathode is swept
The point retouched in data is transformed into according to coordinate transformation relation under the coordinate system of upper lower jaw buccal labial surface scan data, gnathode in realization
The upper lower jaw buccal labial surface scan data of scan data alignment.The upper lower jaw buccal labial surface scan data of mandibular model scan data alignment can be with
It realizes by similar method.By such method, the side of coordinate conversion matrix can be obtained by manually demarcating corresponding points
Formula realizes the alignment of data, reduces the burden of Computing, also reduces the cost for purchasing professional software, can realize and include
The upper lower jaw buccal labial surface scan data of upper lower jaw position relationship, the upper jaw model scanning data with including upper jaw total data respectively
With the splicing of the mandibular model scan data of lower jaw total data, so as to obtain complete jaw relationship three-dimensional data.
The schematic diagram of one embodiment of the jaw relationship recording device of the present invention is as shown in Figure 6.Wherein 601 be buccal labial surface
Data acquisition module, the buccal labial surface between the bilateral bicker exposed by scanning the person of being recorded obtain buccal labial surface scan data.Quilt
Keeper is needed in predetermined jaw relationship, and predetermined jaw relationship can be intercuspal position, mandibular protraction margin location, left and right sides
Method, edge position, flesh position.602 be model data acquisition module, is swept for obtaining upper jaw model scanning data and mandibular model respectively
Retouch data.Upper gnathode can be directly scanned by using spatial digitizer and mandibular model obtains.603 be alignment of data mould
Block, for upper lower jaw buccal labial surface scan data and the model data acquisition module obtained according to buccal labial surface data acquisition module 601
Lower jaw buccal labial surface on upper jaw model scanning alignment of data is scanned number by the common region of 602 upper jaw model scanning data obtained
According to；According to upper lower jaw buccal labial surface scan data and the common region of mandibular model scan data, by mandibular model scan data pair
Upper lower jaw buccal labial surface scan data together, obtains the jaw relationship 3 d scan data under predetermined jaw relationship.
Such device can substitute the cumbersome manual operations step that various jaw relationships are recorded in traditional oral clinic diagnosis
Suddenly, maxillomandibular space during predetermined jaw relationship is in by scan data and the alignment of data fast recording person of being recorded lower jaw
Position relationship, meanwhile, the error caused by applying various jaw relationship recording materials possible can be reduced, increases substantially operation
Efficiency and precision.
In one embodiment, the person of being recorded does not need to occlusal reconstruction, then buccal labial surface data acquisition module 601 is used to scan
It obtains without the upper mandibular dentition buccal labial surface scan data between the person's of being recorded bilateral bicker of occlusal reconstruction.The person of being recorded needs to keep
Predetermined jaw relationship, predetermined jaw relationship can be intercuspal position, mandibular protraction margin location, left and right sides method, edge position.Model
Data acquisition module 602 obtains maxillary dentition model scanning number for scanning maxillary dentition model and mandibular dentition model respectively
According to mandibular dentition model scanning data.The upper lower jaw that alignment of data module 603 is obtained according to buccal labial surface data acquisition module 601
The maxillary dentition model scanning data that denture buccal labial surface scan data and model data acquisition module 602 obtain, by maxillary dentition
Mandibular dentition buccal labial surface scan data on model scanning alignment of data；Above and below the acquisition of buccal labial surface data acquisition module 601
The mandibular dentition model scanning data that jaw denture buccal labial surface scan data and model data acquisition module 602 obtain, by lower jaw tooth
Mandibular dentition buccal labial surface scan data on row model scanning alignment of data, the jaw relationship three-dimensional obtained under predetermined jaw relationship are swept
Retouch data.
In one embodiment, the person of being recorded needs occlusal reconstruction, then buccal labial surface data acquisition module 601 obtains for scanning
Take the upper edentia in mandible alveolar ridge buccal labial surface scan data between the person's of being recorded bilateral bicker.Since the person of being recorded is anodontia shape
State, therefore crestal culmination face can be also exposed, crestal culmination Surface scan data can be obtained simultaneously.The person of being recorded need to keep predetermined jaw relationship,
Predetermined jaw relationship is flesh position.Model data acquisition module 602 is for scanning maxillary edentulous jaw alveolar ridge model and lower jaw respectively
Edentulous jaw alveolar ridge model obtains maxillary dentition model scanning data and mandibular dentition model scanning data.Alignment of data module
The 603 upper edentia in mandible alveolar ridge buccal labial surface scan datas and model data obtained according to buccal labial surface data acquisition module 601
The maxillary dentition model scanning data that acquisition module 602 obtains, by edentia in mandible on maxillary dentition model scanning alignment of data
Alveolar ridge buccal labial surface scan data；The upper edentia in mandible alveolar ridge buccal labial surface obtained according to buccal labial surface data acquisition module 601
The mandibular dentition model scanning data that scan data and model data acquisition module 602 obtain, by mandibular dentition model scanning number
According to the upper edentia in mandible alveolar ridge buccal labial surface scan data of alignment, the jaw relationship 3-D scanning number under predetermined jaw relationship is obtained
According to.
In one embodiment, alignment of data module 603 be used for by ICP (Iterative Closest Point, repeatedly
In generation, is with regard to proximal method) realize that upper jaw model scanning data and mandibular model scan data are aligned upper lower jaw buccal labial surface respectively scans number
According to operation, source data and target data corresponding points are minimized by continuous iteration to realize accurately split.Such device,
The step of can realizing that software automatically generates the alignment of data, reducing manual operation, is realized comprising upper lower jaw position relationship
Upper lower jaw buccal labial surface scan data, with respectively include the upper jaw model scanning data of upper jaw total data and lower jaw total data
Mandibular model scan data splicing, so as to obtain complete jaw relationship three-dimensional data.
In one embodiment, alignment of data module 603 divides upper jaw model scanning data and mandibular model scan data
Dui Qi upper lower jaw buccal labial surface scan data operation, can be by by upper jaw model scanning data and mandibular model scan data
The mode that is transformed into respectively under the coordinate system of lower jaw buccal labial surface scan data of coordinate system obtain.Gnathode can be demarcated to sweep
Data and at least three pairs of common ground in upper lower jaw buccal labial surface scan data common region are retouched, are obtained according to the coordinate of three pairs of common ground
The coordinate transformation relation of upper jaw model scanning data and upper lower jaw buccal labial surface scan data, such as spin matrix R and translation vector T,
By the coordinate that the point in upper jaw model scanning data is transformed into upper lower jaw buccal labial surface scan data according to coordinate transformation relation
Under system, lower jaw buccal labial surface scan data on upper jaw model scanning alignment of data is realized.The upper lower jaw of mandibular model scan data alignment
Buccal labial surface scan data can be realized by similar method.Such device can obtain seat by manually demarcating corresponding points
The mode of mark transition matrix realizes the alignment of data, reduces the burden of Computing, also reduce purchase professional software into
This, can realize the upper lower jaw buccal labial surface scan data comprising upper lower jaw position relationship, with including upper jaw total data respectively
The splicing of the mandibular model scan data of upper jaw model scanning data and lower jaw total data, so as to obtain complete jaw relationship
Three-dimensional data.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention and non-alignment limits；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific embodiment of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover in the claimed technical solution range of the present invention.
Claims (16)
1. a kind of jaw relationship recording method, which is characterized in that including：
The Maxillary region vertical range for the person of being recorded is obtained, the Maxillary region vertical range is the person's of being recorded jaw relationship when being flesh position
Place between the eyebrows is to the distance at chin bottom；
Flesh position is made according to the Maxillary region vertical range and maintains device；
It is flesh position to maintain the jaw relationship of the person of being recorded described in device maintenance using the flesh position；
Lower jaw buccal labial surface scan data in acquisition, the upper lower jaw buccal labial surface scan data pass through in the case where keeping predetermined jaw relationship
Buccal labial surface generation of the upper lower jaw exposed between bilateral bicker is scanned, the predetermined jaw relationship includes flesh position；
Upper jaw model scanning data and mandibular model scan data are obtained, wherein, the upper jaw model scanning data pass through scanning
The upper gnathode produced obtains, and the mandibular model scan data is obtained by scanning the mandibular model produced；
According to the upper lower jaw buccal labial surface scan data and the upper jaw model scanning data and the mandibular model scan data
In common region, the upper jaw model scanning data and the mandibular model scan data are aligned the upper lower jaw lip respectively
Buccal surface scan data obtains jaw relationship 3 d scan data.
2. according to the method described in claim 1, it is characterized in that,
Lower jaw buccal labial surface scan data is in the acquisition：Mandibular dentition buccal labial surface scan data in acquisition, wherein, it is described upper and lower
Jaw denture buccal labial surface scan data is located at bilateral mouth by scanning the upper mandibular dentition exposed in the case where keeping predetermined jaw relationship
Buccal labial surface generation between angle；
The acquisition upper jaw model scanning data and mandibular model scan data are：Maxillary dentition model scanning data are obtained under
Jaw dental arch model scan data, wherein, the maxillary dentition model scanning data are obtained by scanning the maxillary dentition model produced
, the mandibular model scan data is obtained by scanning the mandibular dentition model produced.
3. according to the method described in claim 1, it is characterized in that,
Lower jaw buccal labial surface scan data is in the acquisition：Edentia in mandible alveolar ridge buccal labial surface scan data in acquisition, wherein,
The upper edentia in mandible alveolar ridge buccal labial surface scan data by the case where keeping predetermined jaw relationship scanning expose up and down
Buccal labial surface generation of the jaw edentulous jaw alveolar ridge between bilateral bicker；
The acquisition upper jaw model scanning data and mandibular model scan data are：Obtain maxillary edentulous jaw alveolar ridge model scanning
Data and edentia in mandible alveolar ridge model scanning data, wherein, the maxillary edentulous jaw alveolar ridge model scanning data pass through
It scans the maxillary edentulous jaw alveolar ridge model produced to obtain, the edentia in mandible alveolar ridge model scanning data are made by scanning
The edentia in mandible alveolar ridge model taken obtains.
4. according to the method described in claim 2, it is characterized in that, the predetermined jaw relationship further include intercuspal position, under
Protraction margin location and/or left and right sides method, edge position.
5. the according to the method described in claim 1, it is characterized in that, Maxillary region vertical range packet for obtaining the person of being recorded
It includes：
The person's of being recorded place between the eyebrows in rest position is obtained to the distance at chin bottom with Maxillary region vertical demension measurement ruler；
The distance of the place between the eyebrows of acquisition to chin bottom is reduced into 2mm~3mm, the Maxillary region vertical range as the person of being recorded.
6. according to the method described in claim 5, it is characterized in that, described make flesh position dimension according to the Maxillary region vertical range
Holding device is：The pointer of the Maxillary region vertical demension measurement ruler is locked according to the Maxillary region vertical range.
7. according to the method described in claim 6, it is characterized in that, described make flesh position dimension according to the Maxillary region vertical range
Device is held to further include：The Maxillary region vertical demension measurement ruler and the chin portion front surface body surface are filled up with mobility quick-set
Space between skin.
8. the method described according to claim 6 or 7, which is characterized in that device is maintained to remain described using the flesh position and remembered
The jaw relationship of record person is that flesh position is：By the person of being recorded described in the top pointer alignment of the Maxillary region vertical demension measurement ruler
Place between the eyebrows；The chin portion for the person of being recorded is made to resist the lower part pointer of the Maxillary region vertical demension measurement ruler.
9. according to the method described in claim 1,2 or 3, which is characterized in that described to scan number according to the upper lower jaw buccal labial surface
According to the common region in the upper jaw model scanning data and the mandibular model scan data, respectively by the upper gnathode
Scan data and the mandibular model scan data are aligned the upper lower jaw buccal labial surface scan data, obtain jaw relationship three-dimensional and sweep
Retouching data is：
The upper jaw model scanning data and the mandibular model scan data are aligned by institute by iteration respectively with regard to proximal method ICP
Lower jaw buccal labial surface scan data is stated, obtains jaw relationship 3 d scan data.
10. according to the method described in claim 1,2 or 3, which is characterized in that
According to the upper lower jaw buccal labial surface scan data and the upper jaw model scanning data and the mandibular model scan data
In common region, the upper jaw model scanning data and the mandibular model scan data are aligned the upper lower jaw lip respectively
Buccal surface scan data, obtaining jaw relationship 3 d scan data is：
At least 3 pairs of upper jaw model scanning data and common region in the upper lower jaw buccal labial surface scan data are demarcated respectively
The corresponding points of corresponding points and the mandibular model scan data and common region in the upper lower jaw buccal labial surface scan data；
According to the corresponding points, the upper jaw model scanning data and the upper lower jaw buccal labial surface scan data coordinate are obtained respectively
The transformational relation of system and the mandibular model scan data and the conversion of the upper lower jaw buccal labial surface scan data coordinate system are closed
System；
According to the transformational relation, the upper jaw model scanning data and the mandibular model scan data are transformed into institute respectively
Under the coordinate system for stating lower jaw buccal labial surface scan data, jaw relationship 3 d scan data is obtained.
11. a kind of jaw relationship recording device, including：
Buccal labial surface data acquisition module, for obtaining upper lower jaw buccal labial surface scan data, the upper lower jaw buccal labial surface scan data
It is generated by scanning buccal labial surface of the upper lower jaw exposed between bilateral bicker in the case where keeping predetermined jaw relationship, wherein, institute
It states predetermined jaw relationship and includes flesh position, the flesh position is keeps by following steps：Obtain the person of being recorded Maxillary region vertically away from
From the Maxillary region vertical range is the person's of being recorded jaw relationship when being flesh position place between the eyebrows to the distance at chin bottom；According to the jaw face
Portion's vertical range makes flesh position and maintains device；It is flesh to maintain the jaw relationship of the person of being recorded described in device maintenance using the flesh position
Position；
Model data acquisition module, for obtaining upper jaw model scanning data and mandibular model scan data, wherein, the upper jaw
Model scanning data are obtained by scanning the upper gnathode produced, and the mandibular model scan data is by scanning the lower jaw produced
Model obtains；
Alignment of data module, for according to the upper lower jaw buccal labial surface scan data and the upper jaw model scanning data and described
Common region in mandibular model scan data, respectively by the upper jaw model scanning data and the mandibular model scan data
The upper lower jaw buccal labial surface scan data is aligned, obtains jaw relationship 3 d scan data.
12. according to the devices described in claim 11, which is characterized in that
The buccal labial surface data acquisition module, for obtaining upper mandibular dentition buccal labial surface scan data, wherein, the upper lower jaw tooth
Row buccal labial surface scan data in the case where keeping predetermined jaw relationship by scanning the upper mandibular dentition exposed between bilateral bicker
Buccal labial surface generation；
The model data acquisition module, for obtaining maxillary dentition model scanning data and mandibular dentition model scanning data,
Wherein, the maxillary dentition model scanning data are obtained by scanning the maxillary dentition model produced, the mandibular model scanning
Data are obtained by scanning the mandibular dentition model produced.
13. according to the devices described in claim 11, which is characterized in that
The buccal labial surface data acquisition module, for obtaining upper edentia in mandible alveolar ridge buccal labial surface scan data, wherein, it is described
Upper edentia in mandible alveolar ridge buccal labial surface scan data by scanned in the case where keeping predetermined jaw relationship the upper lower jaw exposed without
Buccal labial surface generation of the tooth jaw alveolar ridge between bilateral bicker；
The model data acquisition module, for obtaining maxillary edentulous jaw alveolar ridge model scanning data and edentia in mandible alveolus
Ridge model scanning data, wherein, the maxillary edentulous jaw alveolar ridge model scanning data are by scanning the maxillary edentulous jaw produced
Alveolar ridge model obtains, and the edentia in mandible alveolar ridge model scanning data are by scanning the edentia in mandible alveolar ridge produced
Model obtains.
14. device according to claim 12, which is characterized in that the predetermined jaw relationship include intercuspal position, under
Protraction margin location and/or left and right sides method, edge position.
15. according to the device described in claim 11,12 or 13, which is characterized in that the alignment of data module, for passing through repeatedly
The upper jaw model scanning data and the mandibular model scan data are aligned the upper lower jaw lip by generation respectively with regard to proximal method ICP
Buccal surface scan data obtains jaw relationship 3 d scan data.
16. according to the device described in claim 11,12 or 13, which is characterized in that the alignment of data module is used to mark respectively
The corresponding points of fixed at least 3 pairs of upper jaw model scanning data and common region in the upper lower jaw buccal labial surface scan data and
The corresponding points of the mandibular model scan data and common region in the upper lower jaw buccal labial surface scan data；According to the correspondence
Point, obtain respectively the upper jaw model scanning data and the upper lower jaw buccal labial surface scan data coordinate system transformational relation and
The mandibular model scan data and the transformational relation of the upper lower jaw buccal labial surface scan data coordinate system；It is closed according to the conversion
The upper jaw model scanning data and the mandibular model scan data are transformed into the upper lower jaw buccal labial surface respectively and scanned by system
Under the coordinate system of data, jaw relationship 3 d scan data is obtained.
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| PCT/CN2015/075370 WO2016154844A1 (en) | 2015-03-30 | 2015-03-30 | Method and apparatus for recording jaw position relationship |
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| CN106456305A (en) | 2017-02-22 |
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