CN107678400A - A kind of method, computing device and numerically-controlled machine tool system for processing artificial tooth - Google Patents
A kind of method, computing device and numerically-controlled machine tool system for processing artificial tooth Download PDFInfo
- Publication number
- CN107678400A CN107678400A CN201711078065.8A CN201711078065A CN107678400A CN 107678400 A CN107678400 A CN 107678400A CN 201711078065 A CN201711078065 A CN 201711078065A CN 107678400 A CN107678400 A CN 107678400A
- Authority
- CN
- China
- Prior art keywords
- artificial tooth
- preced
- hat
- outside
- model data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000012545 processing Methods 0.000 title claims abstract description 36
- 238000003754 machining Methods 0.000 claims abstract description 72
- 229910052573 porcelain Inorganic materials 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 133
- 239000007788 liquid Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011326 mechanical measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 210000000332 tooth crown Anatomy 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/408—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
- G05B19/4086—Coordinate conversions; Other special calculations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0022—Blanks or green, unfinished dental restoration parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
- G05B19/4099—Surface or curve machining, making 3D objects, e.g. desktop manufacturing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35356—Data handling
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45145—Milling
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45167—Dentist, dental manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Epidemiology (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Dentistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Numerical Control (AREA)
Abstract
The invention provides a kind of method for processing artificial tooth to comprise the following steps：The first transformation relation is obtained according to being preced with model data in artificial tooth, being preced with scan data in artificial tooth；The machining path that scan data is preced with outside model data, artificial tooth and determines to be preced with outside artificial tooth according to being preced with outside the first transformation relation, the second transformation relation, artificial tooth；According to machining path, it is preced with outside driving numerical control machine tooling artificial tooth.
Description
Technical field
The present invention relates to artificial tooth processing technique field, and in particular to a kind of method, computing device and numerical control for processing artificial tooth
Machine tool system.
Background technology
Artificial tooth, also known as artificial tooth, dental restoration, dental prosthesis.In general, processing the mode of artificial tooth has two kinds：One
Kind mode is to directly obtain to be preced with outside artificial tooth by manufacturing process such as milling, engraving, cutting, polishings.This mode technique is more simple
It is single, but the perception of artificial tooth and actual teeth have more obvious difference, are generally used for being not easy the artificial tooth for appearing position preparation, example
Such as the preparation of molar.Another way is first to process in artificial tooth to be preced with, and then compares model (such as the CAD of final molding artificial tooth
Model, or the artificial tooth model printed according to CAD model), successively heap porcelain is labeled inside and is successively sintered, after forming heap porcelain
It is preced with outside artificial tooth, is then polished or repaired to being preced with outside the artificial tooth after heap porcelain, so as to complete the manufacture of artificial tooth.This mode manufactures
Artificial tooth be referred to as " porcelain artificial tooth " or " baking-ceramic tooth ".Porcelain artificial tooth is in perception and actual teeth is very close, still
It is preced with sanding operation outside existing artificial tooth generally to be carried out by hand by Dental Technician, on the one hand by the ability, experience, state of Dental Technician
Have a great influence, accuracy is difficult to stablize in higher level, and on the other hand, efficiency is low, takes longer.
The content of the invention
In order to solve the above problems, the invention provides a kind of method and apparatus that artificial tooth is processed using heap porcelain technique, lead to
Cross and polished using Digit Control Machine Tool being preced with outside artificial tooth, change the mode being preced with outside conventional manual polishing artificial tooth, improve artificial tooth
Processing efficiency and accuracy.The present invention provides a kind of method for processing artificial tooth, and artificial tooth includes being preced with outside hat and artificial tooth in artificial tooth, the party
Method comprises the following steps：
S10：The first transformation relation is obtained according to being preced with model data in artificial tooth, being preced with scan data in artificial tooth.
S30：According to being preced with outside the first transformation relation, the second transformation relation, artificial tooth, hat scan data outside model data, artificial tooth is true
Define the machining path being preced with outside tooth.
S50：According to machining path, it is preced with outside driving numerical control machine tooling artificial tooth.
Wherein, crown root is prepared according to hat model data in artificial tooth in artificial tooth.
The outer crown root of artificial tooth in artificial tooth after hat progress heap porcelain according to forming.
Hat model data is according to the model data that hat in the artificial tooth obtained is modeled for tooth scan data in artificial tooth.
Model data is preced with outside artificial tooth to be modeled the model data being preced with outside the artificial tooth obtained according to standby tooth scan data.
Hat scan data is the scan data by carrying out 3-D scanning acquisition to hat in artificial tooth in artificial tooth.
It is the scan data by carrying out 3-D scanning acquisition to being preced with outside artificial tooth that scan data is preced with outside artificial tooth.
First transformation relation is model coordinate systems and the coordinate conversion relation of scanner coordinate system.
Second transformation relation is the coordinate conversion relation of scanner coordinate system and lathe coordinate system.
The coordinate system that model coordinate systems are located at by being preced with model data outside hat model data in artificial tooth and artificial tooth.
Scanner coordinate system is to be preced with the coordinate system that scan data is located at outside hat scan data and artificial tooth in artificial tooth.
Lathe coordinate system is the coordinate system where the Digit Control Machine Tool of processing artificial tooth.
Further, when being scanned to being preced with outside hat in artificial tooth and artificial tooth, it is preced with artificial tooth outside hat and artificial tooth in carrying tool
On position and attitude it is identical.
Step S10 further comprises：
S11：According to the first ISS key points and the 2nd ISS key points, the first SHOT Feature Descriptors and the 2nd SHOT are calculated
Feature Descriptor.
First ISS key points are the ISS key points of hat model data in artificial tooth, and the 2nd ISS key points are that hat is swept in artificial tooth
Retouch the ISS key points of data；First SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the first ISS key points, the
Two SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the 2nd ISS key points.
S12：In the first ISS key points and the 2nd ISS key points, based on the first SHOT Feature Descriptors and the 2nd SHOT
Feature Descriptor, the best match based on SHOT Feature Descriptors is obtained, form hat model data and the interior hat of artificial tooth in artificial tooth and sweep
Retouch the matching double points of data.
S13：According to matching double points, calculated using RANSAC algorithms and model data is preced with artificial tooth to hat scanning number in artificial tooth
According to initial transformation relation.
S14：According to initial transformation relation, coordinate transform is carried out to being preced with model data in artificial tooth, after forming initial transformation
Hat model data in artificial tooth.
S15：According to ICP algorithm, calculate and model data is preced with the artificial tooth after initial transformation to hat scan data in artificial tooth
Precise transformation relation.
S16：According to initial transformation relation and precise transformation relation, the first transformation relation is obtained.
Further, the obtaining step of the second transformation relation includes：
S22：Obtain the position relationship of calibration device and lathe coordinate system；Wherein, calibration device is installed on Digit Control Machine Tool.
S24：Obtain the position relationship of calibration device and scanner coordinate system.
S26：Closed according to calibration device and the position relationship of lathe coordinate system, and the position of calibration device and scanner coordinate system
System, obtain the second transformation relation.
Step S30 further comprises：
Step S32：According to the first transformation relation and the second transformation relation, obtain and be preced with model data, target outside target artificial tooth
It is to be preced with model data outside the artificial tooth under lathe coordinate system that model data is preced with outside artificial tooth.
Step S34：According to the second transformation relation, obtain and scan data is preced with outside target artificial tooth, scanning number is preced with outside target artificial tooth
Scan data is preced with according to for the artificial tooth under lathe coordinate system outside.
Step S36：Scan data is preced with according to being preced with outside target artificial tooth outside model data and target artificial tooth, determines what is be preced with outside artificial tooth
Machining path.
Optionally, step S32 further comprises：
According to the first transformation relation, obtain and be preced with model data outside artificial tooth under scanner coordinate system.
According to the second transformation relation, obtain and be preced with model data outside target artificial tooth.
Preferably, step S32 further comprises：
According to the first transformation relation and the second transformation relation, the 3rd transformation relation is obtained；Wherein, the 3rd transformation relation is mould
The transformation relation of type coordinate system and lathe coordinate system.
According to the 3rd transformation relation, obtain and be preced with model data outside target artificial tooth.
Further, machining path is preced with model data by calculating to be preced with outside target artificial tooth outside scan data and target artificial tooth
The differences of corresponding points determines.
Further, if difference is less than or no more than specific threshold, machining path is empty (Null)；If difference be more than or
Not less than specific threshold, it is determined that machining path.
Further, specific threshold is the machining accuracy of Digit Control Machine Tool.
To realize the method for artificial tooth processing, present invention also offers a kind of computing device, including processor and storage medium,
Characterized in that, storage medium (non-transient storage medium) is used for the control program for being stored with processing artificial tooth, processor is used for
Perform control program；When control program is executed by processor, following steps are realized：
S10：The first transformation relation is obtained according to being preced with model data in artificial tooth, being preced with scan data in artificial tooth.
S30：According to being preced with outside the first transformation relation, the second transformation relation, artificial tooth, hat scan data outside model data, artificial tooth is true
Define the machining path being preced with outside tooth.
S50：According to machining path, it is preced with outside driving numerical control machine tooling artificial tooth.
Wherein, crown root is prepared according to hat model data in artificial tooth in artificial tooth.
The outer crown root of artificial tooth in artificial tooth after hat progress heap porcelain according to forming.
Hat model data is according to the model data that hat in the artificial tooth obtained is modeled for tooth scan data in artificial tooth.
Model data is preced with outside artificial tooth to be modeled the model data being preced with outside the artificial tooth obtained according to standby tooth scan data.
Hat scan data is the scan data by carrying out 3-D scanning acquisition to hat in artificial tooth in artificial tooth.
It is the scan data by carrying out 3-D scanning acquisition to being preced with outside artificial tooth that scan data is preced with outside artificial tooth.
First transformation relation is model coordinate systems and the coordinate conversion relation of scanner coordinate system.
Second transformation relation is the coordinate conversion relation of scanner coordinate system and lathe coordinate system.
The coordinate system that model coordinate systems are located at by being preced with model data outside hat model data in artificial tooth and artificial tooth.
Scanner coordinate system is to be preced with the coordinate system that scan data is located at outside hat scan data and artificial tooth in artificial tooth.
Lathe coordinate system is the coordinate system where the Digit Control Machine Tool of processing artificial tooth.
Further, when being scanned to being preced with outside hat in artificial tooth and artificial tooth, it is preced with artificial tooth outside hat and artificial tooth in carrying tool
On position and attitude it is identical.
Step S10 further comprises：
S11：According to the first ISS key points and the 2nd ISS key points, the first SHOT Feature Descriptors and the 2nd SHOT are calculated
Feature Descriptor.
First ISS key points are the ISS key points of hat model data in artificial tooth, and the 2nd ISS key points are that hat is swept in artificial tooth
Retouch the ISS key points of data；First SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the first ISS key points, the
Two SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the 2nd ISS key points.
S12：In the first ISS key points and the 2nd ISS key points, based on the first SHOT Feature Descriptors and the 2nd SHOT
Feature Descriptor, the best match based on SHOT Feature Descriptors is obtained, form hat model data and the interior hat of artificial tooth in artificial tooth and sweep
Retouch the matching double points of data.
S13：According to matching double points, calculated using RANSAC algorithms and model data is preced with artificial tooth to hat scanning number in artificial tooth
According to initial transformation relation.
S14：According to initial transformation relation, coordinate transform is carried out to being preced with model data in artificial tooth, after forming initial transformation
Hat model data in artificial tooth.
S15：According to ICP algorithm, calculate and model data is preced with the artificial tooth after initial transformation to hat scan data in artificial tooth
Precise transformation relation.
S16：According to initial transformation relation and precise transformation relation, the first transformation relation is obtained.
Further, the obtaining step of the second transformation relation includes：
S22：Obtain the position relationship of calibration device and lathe coordinate system；Wherein, calibration device is installed on Digit Control Machine Tool.
S24：Obtain the position relationship of calibration device and scanner coordinate system.
S26：Closed according to calibration device and the position relationship of lathe coordinate system, and the position of calibration device and scanner coordinate system
System, obtain the second transformation relation.
Step S30 further comprises：
Step S32：According to the first transformation relation and the second transformation relation, obtain and be preced with model data, target outside target artificial tooth
It is to be preced with model data outside the artificial tooth under lathe coordinate system that model data is preced with outside artificial tooth.
Step S34：According to the second transformation relation, obtain and scan data is preced with outside target artificial tooth, scanning number is preced with outside target artificial tooth
Scan data is preced with according to for the artificial tooth under lathe coordinate system outside.
Step S36：Scan data is preced with according to being preced with outside target artificial tooth outside model data and target artificial tooth, determines what is be preced with outside artificial tooth
Machining path.
Optionally, step S32 further comprises：
According to the first transformation relation, obtain and be preced with model data outside artificial tooth under scanner coordinate system.
According to the second transformation relation, obtain and be preced with model data outside target artificial tooth.
Preferably, step S32 further comprises：
According to the first transformation relation and the second transformation relation, the 3rd transformation relation is obtained；Wherein, the 3rd transformation relation is mould
The transformation relation of type coordinate system and lathe coordinate system.
According to the 3rd transformation relation, obtain and be preced with model data outside target artificial tooth.
Further, machining path is preced with model data by calculating to be preced with outside target artificial tooth outside scan data and target artificial tooth
The differences of corresponding points determines.
Further, if difference is less than or no more than specific threshold, machining path is empty (Null)；If difference be more than or
Not less than specific threshold, it is determined that machining path.
Further, specific threshold is the machining accuracy of Digit Control Machine Tool.
Present invention also offers a kind of storage medium (non-transient storage medium), is stored with the control journey for processing artificial tooth
Sequence, when control program is performed, realize following steps：
S10：The first transformation relation is obtained according to being preced with model data in artificial tooth, being preced with scan data in artificial tooth.
S30：According to being preced with outside the first transformation relation, the second transformation relation, artificial tooth, hat scan data outside model data, artificial tooth is true
Define the machining path being preced with outside tooth.
S50：According to machining path, it is preced with outside driving numerical control machine tooling artificial tooth.
Wherein, crown root is prepared according to hat model data in artificial tooth in artificial tooth.
The outer crown root of artificial tooth in artificial tooth after hat progress heap porcelain according to forming.
Hat model data is according to the model data that hat in the artificial tooth obtained is modeled for tooth scan data in artificial tooth.
Model data is preced with outside artificial tooth to be modeled the model data being preced with outside the artificial tooth obtained according to standby tooth scan data.
Hat scan data is the scan data by carrying out 3-D scanning acquisition to hat in artificial tooth in artificial tooth.
It is the scan data by carrying out 3-D scanning acquisition to being preced with outside artificial tooth that scan data is preced with outside artificial tooth.
First transformation relation is model coordinate systems and the coordinate conversion relation of scanner coordinate system.
Second transformation relation is the coordinate conversion relation of scanner coordinate system and lathe coordinate system.
The coordinate system that model coordinate systems are located at by being preced with model data outside hat model data in artificial tooth and artificial tooth.
Scanner coordinate system is to be preced with the coordinate system that scan data is located at outside hat scan data and artificial tooth in artificial tooth.
Lathe coordinate system is the coordinate system where the Digit Control Machine Tool of processing artificial tooth.
Further, when being scanned to being preced with outside hat in artificial tooth and artificial tooth, it is preced with artificial tooth outside hat and artificial tooth in carrying tool
On position and attitude it is identical.
Further, step S10 further comprises：
S11：According to the first ISS key points and the 2nd ISS key points, the first SHOT Feature Descriptors and the 2nd SHOT are calculated
Feature Descriptor.
First ISS key points are the ISS key points of hat model data in artificial tooth, and the 2nd ISS key points are that hat is swept in artificial tooth
Retouch the ISS key points of data；First SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the first ISS key points, the
Two SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the 2nd ISS key points.
S12：In the first ISS key points and the 2nd ISS key points, based on the first SHOT Feature Descriptors and the 2nd SHOT
Feature Descriptor, the best match based on SHOT Feature Descriptors is obtained, form hat model data and the interior hat of artificial tooth in artificial tooth and sweep
Retouch the matching double points of data.
S13：According to matching double points, calculated using RANSAC algorithms and model data is preced with artificial tooth to hat scanning number in artificial tooth
According to initial transformation relation.
S14：According to initial transformation relation, coordinate transform is carried out to being preced with model data in artificial tooth, after forming initial transformation
Hat model data in artificial tooth.
S15：According to ICP algorithm, calculate and model data is preced with the artificial tooth after initial transformation to hat scan data in artificial tooth
Precise transformation relation.
S16：According to initial transformation relation and precise transformation relation, the first transformation relation is obtained.
Further, the obtaining step of the second transformation relation includes：
S22：Obtain the position relationship of calibration device and lathe coordinate system；Wherein, calibration device is installed on Digit Control Machine Tool.
S24：Obtain the position relationship of calibration device and scanner coordinate system.
S26：Closed according to calibration device and the position relationship of lathe coordinate system, and the position of calibration device and scanner coordinate system
System, obtain the second transformation relation.
Step S30 further comprises：
Step S32：According to the first transformation relation and the second transformation relation, obtain and be preced with model data, target outside target artificial tooth
It is to be preced with model data outside the artificial tooth under lathe coordinate system that model data is preced with outside artificial tooth.
Step S34：According to the second transformation relation, obtain and scan data is preced with outside target artificial tooth, scanning number is preced with outside target artificial tooth
Scan data is preced with according to for the artificial tooth under lathe coordinate system outside.
Step S36：Scan data is preced with according to being preced with outside target artificial tooth outside model data and target artificial tooth, determines what is be preced with outside artificial tooth
Machining path.
Optional volume, step S32 further comprise：
According to the first transformation relation, obtain and be preced with model data outside artificial tooth under scanner coordinate system.
According to the second transformation relation, obtain and be preced with model data outside target artificial tooth.
Preferably, step S32 further comprises：
According to the first transformation relation and the second transformation relation, the 3rd transformation relation is obtained；Wherein, the 3rd transformation relation is mould
The transformation relation of type coordinate system and lathe coordinate system.
According to the 3rd transformation relation, obtain and be preced with model data outside target artificial tooth.
Further, machining path is preced with model data by calculating to be preced with outside target artificial tooth outside scan data and target artificial tooth
The differences of corresponding points determines.
Further, if difference is less than or no more than specific threshold, machining path is empty (Null)；If difference be more than or
Not less than specific threshold, it is determined that machining path.
Further, specific threshold is the machining accuracy of Digit Control Machine Tool.
Present invention also offers a kind of Digit Control Machine Tool, including machining spindle, machining tool (preferably milling tools), three-dimensional is swept
Retouch instrument (the preferably spatial digitizer of fixed focal length), deflection axis；Machining tool is installed on machining spindle, and being capable of edge
Direction where machining spindle moves along a straight line；Spatial digitizer is installed on deflection axis, and can be led along scanning
Direction where axle moves along a straight line；Wherein, deflection axis is parallel or substantially parallel with machining spindle, and spatial digitizer
Primary optical axis is parallel or substantially parallel with deflection axis.
Further, Digit Control Machine Tool include first straight line axle (X-axis), second straight line axle (Y-axis), the 3rd linear axis (Z axis),
First rotary shaft (A axles), the second rotary shaft (B axle), the first rotary shaft (A axles) rotate around first straight line axle (X-axis), the second rotation
Rotating shaft (B axle) rotates around second straight line axle (Y-axis).
Further, machining spindle is parallel with the 3rd rotary shaft.
Further, in addition to fixing device (preferably one or more fixtures), fixing device can be along first, second
Rotary shaft rotates, and is moved along a straight line along first, second linear axis.
Further, the interior contact surface of fixture is circular, semicircle, arc or linear.
Further, fixing device includes symmetrical 2 fixtures or 4 fixtures, or 3 fixtures into equilateral triangle
Or 6 fixtures into regular hexagon.
Further, in addition to calibration device, for determining the coordinate conversion relation of scanner coordinate system and lathe coordinate system.
Present invention also offers a kind of method that artificial tooth is processed using heap porcelain technique, comprise the following steps：
S210：Hat in artificial tooth is fixed on carrying tool (tabular or circular plate-like shape).
S220：Carrying tool is arranged in the fixing device of Digit Control Machine Tool.
S230：Fixing device is moved to interior hat scan position, is preced with driving spatial digitizer scanning artificial tooth, obtains artificial tooth
Interior hat scan data.
S240：Carrying tool is removed, heap porcelain is carried out to hat in artificial tooth, is formed outside artificial tooth and is preced with.
S250：Bogey is installed in fixing device again, fixing device is moved to outer hat scan position, is driven
It is preced with outside spatial digitizer scanning artificial tooth, obtains and be preced with scan data outside artificial tooth.
Wherein, the quantity of hat is 1 or more than 2 (such as 5-25,10-20) in artificial tooth.Titled with single in artificial tooth
The form of artificial tooth or the form of artificial tooth denture are fixed on carrying tool.
Further, interior hat scan position can be a position, but preferably include multiple positions, especially include be along
The position that A axles and/or B axle rotate and formed.Preferably, interior hat scan position is located near deflection axis 20.
Further, in step S240, heap porcelain is carried out to hat in artificial tooth on carrying tool.
Further, in step S240, remove in artificial tooth be preced with from carrying tool first, heap then is carried out to hat in artificial tooth
Porcelain, formed outside artificial tooth and be preced with, will finally installed back including the artificial tooth being preced with outside hat in artificial tooth and artificial tooth on carrying tool；It is preced with outside artificial tooth
Hat removes position consistency in installation site and artificial tooth.
Further, the size being preced with outside artificial tooth is slightly larger than outside artificial tooth and is preced with model data.
Further, outer hat scan position can be a position, but preferably include multiple positions, especially include be along
The position that A axles and/or B axle rotate and formed.Preferably, outer hat scan position is located near deflection axis 20.
Further, outer hat scan position and interior hat scan position are identical or essentially identical.
Further, method is further comprising the steps of：
S260：According to being preced with model data in artificial tooth, model data is preced with outside artificial tooth, scan data is preced with artificial tooth, is preced with outside artificial tooth
Scan data determines the machining path being preced with outside artificial tooth.
S270：According to machining path, fixing device is moved at Working position, outside driving machining tool processing artificial tooth
Hat.
The present invention is polished being preced with outside artificial tooth using Digit Control Machine Tool, changes the side being preced with outside conventional manual polishing artificial tooth
Formula, and the Digit Control Machine Tool of the present invention is the joint Digit Control Machine Tool for being provided with 3D scanning means, and the 3D of artificial tooth can be made to scan, build
Mould synchronously completes with processing, improves the processing efficiency and accuracy of artificial tooth.
Brief description of the drawings
Fig. 1 is a kind of flow chart of method for processing artificial tooth provided by the invention；
Fig. 2 is the flow chart of the method for first transformation relation of acquisition provided by the invention；
Fig. 3 is the flow chart of the method for second transformation relation of acquisition provided by the invention；
Fig. 4 is the flow chart for the method that machining path is preced with outside acquisition artificial tooth provided by the invention；
Fig. 5 A are the structural representations of Digit Control Machine Tool provided by the invention；
Fig. 5 B are the structure charts of Digit Control Machine Tool provided by the invention；
Fig. 6 is the flow chart of the method provided by the invention that artificial tooth is processed using heap porcelain technique；
Fig. 7 (a)-(c) is the schematic diagram provided by the invention by method of the hat fixed to carrying tool in artificial tooth；
Fig. 8 (a) is the schematic diagram for forming hat outside artificial tooth according to one aspect of the invention；
Fig. 8 (b) is the schematic diagram for installing back carrying tool will to be preced with outside artificial tooth according to one aspect of the invention.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Accompanying drawing in mode, clear, complete description is carried out to technical scheme, it is clear that described embodiment is this
Invent a part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
In embodiments of the present invention：
The specific extracting method of ISS key points refers to prior art 1：Zhong,Y.(2009).Intrinsic shape
signatures:a shape descriptor for 3D object recognition.In Proc.int.conf.on
computer vision workshops(pp.1–8)。
The specific calculating process of SHOT features description refers to prior art 2：Tombari,F.,Salti,S.,& Di
Stefano,L.(2010).Unique signatures of histograms for local surface
description.In Proc.Europ.conf.on computer vision(ECCV)(pp.356–369).Berlin:
Springer。
Transformation relation, which is calculated, using RANSAC algorithms refers to prior art 3：FISCHLER M.A.Random sample
consensus:A paradigm for model fitting with applications to imageanalysis and
automated cartography.Commun.ACM 24,6,1981,381–395.)。
Transformation relation, which is calculated, using ICP algorithm refers to prior art 4：Z.Zhang.Iterative point matching
For registration of freeform curves and surfaces.Int.J.Comput.Vision, 13,2:
119–152,1994。
Above-mentioned prior art 1-4 is introduced by all quoting in the present invention.
In whole embodiments of the present invention, it is as follows to define term：
Standby tooth scan data：Standby tooth scan data is to be swept by carrying out three-dimensional to the cavity interior position of patient's artificial tooth to be installed
The data for the standby tooth to be repaired retouched and obtained.
Hat model data in artificial tooth：In artificial tooth hat model data be modeled according to standby tooth scan data (such as using
CAD software is modeled) and the model data of the interior hat of the artificial tooth of acquisition.Hat model data indicates final machine-shaping in artificial tooth
Crown shape in artificial tooth.
Model data is preced with outside artificial tooth：Be preced with outside artificial tooth model data be modeled according to standby tooth scan data (such as using
CAD software is modeled) and obtain artificial tooth outside be preced with model data.Model data is preced with outside artificial tooth and indicates final machine-shaping
Crown shape outside artificial tooth.
It is preced with artificial tooth：The physical entity prepared according to model data is preced with artificial tooth.
It is preced with outside artificial tooth：The physical entity for hat in artificial tooth formed after heap porcelain.
Artificial tooth：Including being preced with outside hat in artificial tooth and artificial tooth.
Hat scan data in artificial tooth：Hat scan data is to be swept by carrying out 3-D scanning to hat in artificial tooth in artificial tooth
Retouch data.
Scan data is preced with outside artificial tooth：It is to be swept by carrying out 3-D scanning to hat outside artificial tooth that scan data is preced with outside artificial tooth
Retouch data.
Model coordinate systems：Hat model data and artificial tooth are preced with model data and are located under the same coordinate system outside in artificial tooth, the coordinate
System is referred to as model coordinate systems in the present invention.
Scanner coordinate system：Hat scan data and artificial tooth are preced with scan data and are located under the same coordinate system outside in artificial tooth, the seat
Mark system is referred to as scanner coordinate system in the present invention.
Lathe coordinate system：To process the coordinate system where the Digit Control Machine Tool of artificial tooth.
First transformation relation：For model coordinate systems and the coordinate conversion relation of scanner coordinate system.
Second transformation relation：For the coordinate conversion relation of scanner coordinate system and lathe coordinate system.
Fig. 1 is a kind of flow chart of method for processing artificial tooth provided by the invention.Artificial tooth is included outside the interior hat of artificial tooth and artificial tooth
Hat, artificial tooth is preced with outside to be formed by carrying out heap porcelain to hat in artificial tooth.As shown in figure 1, the method for processing artificial tooth comprises the following steps：
S10：The first transformation relation is obtained according to being preced with model data in artificial tooth, being preced with scan data in artificial tooth.
S30：According to being preced with outside the first transformation relation, the second transformation relation, artificial tooth, hat scan data outside model data, artificial tooth is true
Define the machining path being preced with outside tooth.
S50：According to machining path, it is preced with outside driving numerical control machine tooling artificial tooth.
According to the present invention, model data is preced with as by being carried out to patient for tooth data outside hat model data and artificial tooth in artificial tooth
Modeling obtains, and is preferably modeled and obtained using CAD software, modeled and obtain especially with the CAD software related to dentistry.
Preferably, hat model data is the CAD model data of hat in artificial tooth in artificial tooth, and it is artificial tooth to be preced with model data outside artificial tooth
The CAD model data of outer hat.
According to the present invention, hat model data and artificial tooth are preced with model data and are located under the same coordinate system outside in artificial tooth, the coordinate
System is referred to as model coordinate systems in the present invention.
Hat scan data is the scan data by carrying out 3-D scanning acquisition to hat in artificial tooth in artificial tooth.Crown root in artificial tooth
It is prepared according to model data is preced with artificial tooth.It will be apparent to those skilled in the art that any method and material for preparing hat in artificial tooth
Material is all without limiting the scope of the invention.These preparation methods are specifically including but not limited to：Artificial tooth inner crown material is carried out
The processes such as engraving, polishing, sintering are prepared, or the process preparation such as print, polish, sinter by way of 3D printing and
Into, or be prepared by other any modes.The material for preparing of hat includes but is not limited in artificial tooth：Metal, metal oxidation
Thing, ceramics etc..
It is the scan data by carrying out 3-D scanning acquisition to being preced with outside artificial tooth that scan data is preced with outside artificial tooth.Wherein, artificial tooth
Outer hat is to be formed by carrying out heap porcelain to hat in artificial tooth.It will be apparent to those skilled in the art that any specific heap porcelain method and
The selection of heap porcelain material is all without limiting the scope of the invention.For example, during heap porcelain, it may be referred to what is be preced with outside artificial tooth
CAD model data carry out heap porcelain operation, can also refer to outside the physics artificial tooth obtained according to the CAD model data being preced with outside artificial tooth and be preced with
Carry out heap porcelain operation.
According to the present invention, hat scan data and artificial tooth are preced with scan data and are located under the same coordinate system outside in artificial tooth, the coordinate
System is referred to as scanner coordinate system in the present invention.
According to the present invention, when being scanned to being preced with outside hat in artificial tooth and artificial tooth, it is preced with artificial tooth outside hat and artificial tooth in carrying work
Position and attitude on tool is identical, is matched with ensuring to be preced with hat scan data outside scan data and artificial tooth in artificial tooth.
According to the present invention, the first transformation relation is model coordinate systems and the coordinate conversion relation of scanner coordinate system.First
Transformation relation also embodies the relative position relation of hat model data and the interior hat scan data of artificial tooth in artificial tooth.Hat scanning in artificial tooth
Data are that hat obtains in 3-D scanning artificial tooth, and crown root obtains according to hat model data in artificial tooth in artificial tooth, therefore, hat scanning in artificial tooth
Hat model data is basically identical in shape in display in data and artificial tooth.But due to being preced with artificial tooth in scan data and artificial tooth
Hat model data is subordinate to different coordinate systems, and the two coordinate position and posture in space is not consistent.Therefore, the present invention needs
The first transformation relation is obtained, the position of scan data and matching somebody with somebody for posture are preced with to complete to be preced with model data and artificial tooth in artificial tooth
It is accurate.Specifically, according to the first transformation relation, operated by the coordinate transform such as translating and/or rotating, can will be preced with model in artificial tooth
The locus of data and posture are converted to the locus of hat scan data and posture in artificial tooth.
It will be apparent to those skilled in the art that any specific method for obtaining the first transformation relation is all without limiting this hair
Bright protection domain.Those skilled in the art can also utilize a variety of existing method for registering to obtain the first transformation relation, such as
ICP algorithm and its derivative various innovatory algorithm.
Fig. 2 is the flow chart of the method for first transformation relation of acquisition provided by the invention.First is obtained to be more accurate
Transformation relation, present invention also offers the method that the first transformation relation is obtained in step S10.As shown in Fig. 2 specifically include following
Step：
S11：According to the first ISS key points and the 2nd ISS key points, the first SHOT Feature Descriptors and the 2nd SHOT are calculated
Feature Descriptor.First ISS key points are the ISS key points of hat model data in artificial tooth, and the 2nd ISS key points are to be preced with artificial tooth
The ISS key points of scan data.First SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the first ISS key points,
2nd SHOT Feature Descriptors are SHOT Feature Descriptors corresponding with the 2nd ISS key points.
S12：In the 2nd ISS key points and the first ISS key points, based on the first SHOT Feature Descriptors and the 2nd SHOT
Feature Descriptor, the best match based on SHOT Feature Descriptors is obtained, form hat model data and the interior hat of artificial tooth in artificial tooth and sweep
Retouch the matching double points of data.
S13：According to matching double points, calculated using RANSAC algorithms and model data is preced with artificial tooth to hat scanning number in artificial tooth
According to initial transformation relation.
S14：According to initial transformation relation, coordinate transform is carried out to being preced with model data in artificial tooth, after forming initial transformation
Hat model data in artificial tooth.
S15：According to ICP algorithm, calculate and model data is preced with the artificial tooth after initial transformation to hat scan data in artificial tooth
Precise transformation relation.
S16：According to initial transformation relation and precise transformation relation, the first transformation relation is obtained.
According to the present invention, the second transformation relation is the coordinate conversion relation of scanner coordinate system and lathe coordinate system.Ability
Field technique personnel it should be clear that any specific method for obtaining the second transformation relation all without the limitation present invention protection model
Enclose.Those skilled in the art can also utilize a variety of existing methods to obtain the second transformation relation, for example, ICP algorithm and its spread out
Raw various innovatory algorithms.
Fig. 3 is the flow chart of the method for second transformation relation of acquisition provided by the invention.In the present invention, preferably by demarcation
Device determines the second transformation relation.As shown in figure 3, the step of obtaining the second transformation relation specifically includes：
S22：Obtain the position relationship of calibration device and lathe coordinate system.Wherein, calibration device is installed on Digit Control Machine Tool, from
And can be with mechanical measurement calibration device and the position relationship of Digit Control Machine Tool, that is, the position for obtaining calibration device and lathe coordinate system is closed
System.
S24：Obtain the position relationship of calibration device and scanner coordinate system.Calibration device is scanned by spatial digitizer, so as to
The position relationship of calibration device and spatial digitizer is obtained, that is, obtains the position relationship of calibration device and scanner coordinate system.
S26：Closed according to calibration device and the position relationship of lathe coordinate system, and the position of calibration device and scanner coordinate system
System, obtain the second transformation relation.
Fig. 4 is the flow chart for the method that machining path is preced with outside acquisition artificial tooth provided by the invention.As shown in figure 4, according to this
Invent, the machining path being preced with outside artificial tooth is determined in step S30, is further comprised：
Step S32：According to the first transformation relation and the second transformation relation, obtain and be preced with model data, target outside target artificial tooth
It is to be preced with model data outside the artificial tooth under lathe coordinate system that model data is preced with outside artificial tooth.
Preferably, first, according to the first transformation relation, obtain and be preced with model data outside artificial tooth under scanner coordinate system.Then,
According to the second transformation relation, obtain and be preced with model data outside the artificial tooth under lathe coordinate system.
P1=P0xM1 (1)
P2=P1xM2 (2)
It is furthermore preferred that first, according to the first transformation relation and the second transformation relation, the 3rd transformation relation is obtained, the 3rd becomes
Relation is changed as model coordinate systems and the transformation relation of lathe coordinate system.Then, according to the 3rd transformation relation, lathe coordinate system is obtained
Under artificial tooth outside be preced with model data.
M3=M1xM2 (3)
P2=P0xM3 (4)
In formula (1)-(4), M1 is transformation matrix of coordinates corresponding to the first transformation relation, and M2 is corresponding for the second transformation relation
Transformation matrix of coordinates, M3 is transformation matrix of coordinates corresponding to the 3rd transformation relation.P0 is to be preced with outside the artificial tooth under model coordinate systems
The coordinate of model data, P1 are the coordinate that model data is preced with outside the artificial tooth under scanner coordinate system, and P2 is under lathe coordinate system
The coordinate of model data is preced with outside artificial tooth, i.e., the coordinate of model data is preced with outside target artificial tooth.
Step S34：According to the second transformation relation, obtain and be preced with scan data outside target artificial tooth.Scanning number is preced with outside target artificial tooth
Scan data is preced with according to for the artificial tooth under lathe coordinate system outside.
Q1=Q0xM2 (5)
In formula (5), Q0 is the coordinate that scan data is preced with outside the artificial tooth under scanner coordinate system, and Q1 is under lathe coordinate system
Artificial tooth outside be preced with the coordinate of scan data, i.e., the coordinate of scan data is preced with outside target artificial tooth.
Step S36：Scan data is preced with according to being preced with outside target artificial tooth outside model data and target artificial tooth, determines what is be preced with outside artificial tooth
Machining path.
It is the profile being preced with outside the final artificial tooth for wishing to be process under lathe coordinate system that model data is preced with outside target artificial tooth
Outline data, it is the profile being preced with outside the current artificial tooth obtained by heap porcelain under lathe coordinate system that target artificial tooth is preced with scan data outside
Outline data.It will be apparent to those skilled in the art that guarantor of any specific method for determining machining path all without the limitation present invention
Protect scope.
Preferably, the difference that corresponding points in hat model data outside scan data and target artificial tooth are preced with outside calculating target artificial tooth is next true
Determine machining path.Optionally, if difference is less than or no more than specific threshold, then it is assumed that corresponding machining path is empty (Null),
It need not process；If difference is more than or not less than specific threshold, it is determined that machining path.
Optionally, specific threshold is according to empirically determined empirical parameter.Preferably, specific threshold is processed for Digit Control Machine Tool
Precision, for example, the machining accuracy of some Digit Control Machine Tools is 20um, then specific threshold is chosen to be 20um.
To realize the method for above-mentioned artificial tooth processing, present invention also offers a kind of computing device, the computing device and numerical control
Lathe communicates to connect or the part as Digit Control Machine Tool.The computing device includes processor and storage medium is (preferably non-
Instantaneity storage medium).Wherein storage medium is used to store control program, and processor is above-mentioned to realize for performing control program
The method of artificial tooth processing.Optionally, also it is stored with storage medium in artificial tooth and is preced with model data outside hat model data and artificial tooth.
To realize the method for the processing artificial tooth of the present invention, the present invention is also to existing Digit Control Machine Tool (especially five-shaft numerical control
Lathe) improved, so as to provide a kind of Digit Control Machine Tool 1 for being used to process artificial tooth.
Fig. 5 is the structure chart of Digit Control Machine Tool provided by the invention.As shown in figure 5, Digit Control Machine Tool 1 is five-axle number control machine tool,
It will be apparent to those skilled in the art that five axles of five-axle number control machine tool include three linear axis and two rotary shafts, three linear axis point
X-axis, Y-axis, Z axis are not defined as, and two rotary shafts are respectively defined as A axles, B axle.Arrange simultaneously, A axles rotate around X-direction, B
Axle rotates around Y direction.It will be apparent to those skilled in the art that X, Y, Z, A, B are only to make in five-axle number control machine tool shafting
Mark or code name, are not limiting upon protection scope of the present invention.
According to the present invention, Digit Control Machine Tool 1 further comprises machining spindle 10, machining tool 30, spatial digitizer 40, fixes
Device 50, calibration device 60, digital control system (are preferably realised as embedded system).
Machining spindle 10 is parallel with Z axis.Machining tool 30 is installed on machining spindle 10, is preced with for processing outside artificial tooth.
By driving machining spindle 10, machining tool 30 can move along a straight line along the place direction of machining spindle 10.Machining tool 30
Can be any instrument that Digit Control Machine Tool uses, it is preferred that machining tool 30 is milling tools, for being preced with outside artificial tooth of polishing.
Spatial digitizer 40 is used to scan in artificial tooth to be preced with outside hat and artificial tooth, and scan data and artificial tooth are preced with artificial tooth so as to obtain
Outer hat scan data.Spatial digitizer 40 is installed in the appropriate opening position of Digit Control Machine Tool 1, to ensure that spatial digitizer scanning obtains
Hat scan data can be registering with being preced with model data progress in artificial tooth in the artificial tooth taken, and ensures the justice that spatial digitizer obtains
Scan data is preced with outside tooth includes the data that machining tool 30 is preced with the contoured surface being processed to artificial tooth outside.
Optionally, spatial digitizer 40 can be preced with by adjusting object distance clearly to scan in artificial tooth outside hat and artificial tooth.
Preferably, Digit Control Machine Tool 1 also includes deflection axis 20.Spatial digitizer 40 is installed on deflection axis 20.Three
The spatial digitizer that scanner 40 is fixed focal length is tieed up, by driving deflection axis 20, spatial digitizer can be led along scanning
20 places direction move along a straight line, to be preced with by adjusting object distance clearly to scan in artificial tooth outside hat and artificial tooth.In this way,
The parameter of spatial digitizer need not be demarcated during 3-D scanning, so as to improve scan efficiency.
It is furthermore preferred that deflection axis 20 is parallel or substantially parallel with machining spindle 10, and the master of spatial digitizer 40
Optical axis is parallel or substantially parallel with deflection axis 20.Scanning is preced with so as to ensure that in the artificial tooth of the scanning acquisition of spatial digitizer 40
Data can be registering with being preced with model data progress in artificial tooth, and ensure that and scanning number is preced with outside the artificial tooth that spatial digitizer 40 obtains
According to the data for being preced with the contoured surface being processed outside to artificial tooth including machining tool 30.
According to an aspect of the present invention, deflection axis 20 is driven by independent digital control system, i.e., the digital control system receives
Driving instruction, driving deflection axis 20 moves, so as to drive spatial digitizer 40 to move.
Preferably, according to another aspect of the present invention, deflection axis 20 is driven by the digital control system of Digit Control Machine Tool.It is this
In the case of, the digital control system of Digit Control Machine Tool can drive at least six axles to move, and six axles include X, Y-axis, A, B axle, machining spindle 10,
And deflection axis 20.Due to driving deflection axis 20 using the digital control system of Digit Control Machine Tool, therefore, it is no longer necessary to independent number
Control system, it is effectively simplified the structure of numerically-controlled machine tool system.
Fixing device 50 is used to fix carrying tool.Fixing device 50 can move along a straight line along X-axis, Y-axis, and along A
Axle, B axle rotation, so as to drive carrying tool to be moved along a straight line along X-axis, Y-axis, and rotated along A axles, B axle.
Preferably, fixing device 50 is fixture, to facilitate fixed plate-shaped body.For example, the interior contact surface of fixture for it is circular,
Semicircle or arc, to facilitate fixed tabular circular object.For another example, the interior contact surface of fixture is linear, to facilitate fixed tabular
Square or rectangle object.The quantity of fixture can be 1, or multiple.For example, fixing device includes symmetrical 2
Fixture or 4 fixtures.For another example, fixing device includes 3 fixtures into equilateral triangle or 6 fixtures into regular hexagon.This
Art personnel understand that the effect of fixture is fixed object, and the selection of its shape and quantity is all without the limitation present invention's
Protection domain.
Calibration device 60 is used to determine the second transformation relation, as it was previously stated, the second transformation relation is scanner coordinate system and machine
The coordinate conversion relation of bed coordinate system.First, calibration device 60 is installed on Digit Control Machine Tool, so as to mechanical measurement calibration device
60 and the position relationship of Digit Control Machine Tool, that is, obtain the position relationship of calibration device 60 and lathe coordinate system.Then, swept by three-dimensional
Retouch instrument 40 and scan calibration device 60, so as to obtain the position relationship of calibration device 60 and spatial digitizer 40, that is, obtain calibration device 60
With the position relationship of scanner coordinate system.Finally, according to calibration device 60 and the position relationship of lathe coordinate system, and calibration device 60
With the position relationship of scanner coordinate system, the second transformation relation is obtained.
According to an aspect of the present invention, a kind of numerically-controlled machine tool system, including Digit Control Machine Tool 1 and computing device are additionally provided
(i.e. host computer), wherein computing device communicate to connect with spatial digitizer 40, digital control system of the computing device also with Digit Control Machine Tool 1
Communication connection.
Computing device is used to control spatial digitizer 40 to be preced with scan data in very first time acquisition artificial tooth, and control three-dimensional is swept
Retouch instrument 40 and scan data is preced with outside the second time acquisition artificial tooth, and pattern number is preced with outside according to model data, artificial tooth is preced with artificial tooth
According to being preced with scan data in, artificial tooth, the machining path that scan data determines to be preced with outside artificial tooth be preced with outside artificial tooth.
Preferably, hat model data in artificial tooth is also stored with computing device, is preced with model data outside artificial tooth.
Preferably, the interactive step of computing device, digital control system and spatial digitizer 40 is as follows：
S110：Computing device is sent to digital control system obtains the first instruction that scan data is preced with artificial tooth.In first instruction
Include the positional information of hat in the positional information and artificial tooth of spatial digitizer 40.
S120：Digital control system is according to the first order-driven Digit Control Machine Tool, and hat is located in the spatial digitizer 40 and artificial tooth made
The opening position of relevant position information instruction in first instruction.
S130：Spatial digitizer 40 is scanned to hat in artificial tooth, and scan data will be preced with artificial tooth and be transferred to calculating and set
It is standby.
S140：Computing device is sent to digital control system obtains the second instruction that scan data is preced with outside artificial tooth.In second instruction
Include the positional information being preced with outside the positional information and artificial tooth of spatial digitizer 40.
S150：Digital control system is preced with according to the second order-driven Digit Control Machine Tool, outside the spatial digitizer 40 and artificial tooth made to be located at
The opening position of relevant position information instruction in second instruction.
S160：Spatial digitizer 40 is scanned to being preced with outside artificial tooth, and scan data will be preced with outside artificial tooth and be transferred to calculating and set
It is standby.
S170：Computing device according to be preced with artificial tooth model data, be preced with outside artificial tooth model data, be preced with artificial tooth scan data,
The machining path that scan data determines to be preced with outside artificial tooth is preced with outside artificial tooth, and machining path is transferred to digital control system.Machining path
Determine that method as noted in the introduction of this description, is not repeated.
S180：Digital control system is preced with outside according to machining path, driving numerical control machine tooling artificial tooth.
In preferred embodiment, due to completing major control function using computing device (host computer), therefore it need not require several
The digital control system of control lathe has very high performance.
According to another aspect of the present invention, the digital control system of Digit Control Machine Tool 1 is used to control spatial digitizer 40 first
Time obtains hat scan data in artificial tooth, and control spatial digitizer 40 obtains outside artificial tooth in the second time and is preced with scan data, and
According to being preced with model data in artificial tooth, model data is preced with outside artificial tooth, scan data is preced with artificial tooth, is preced with scan data outside artificial tooth and determines justice
The machining path being preced with outside tooth.So as to avoid the complex interaction process caused by computing device of using.
Fig. 6 is the flow chart of the method provided by the invention that artificial tooth is processed using heap porcelain technique.Use provided by the invention
The Digit Control Machine Tool system of processing 1 shown in Fig. 5 is make use of in the method for heap porcelain technique processing artificial tooth, as shown in fig. 6, this method includes
Following steps：
S210：Hat in artificial tooth is fixed on carrying tool.According to the present invention, carrying tool is easy to removably be pacified
Dress/be fixed in the fixing device 50 of Digit Control Machine Tool.Preferably, carrying tool is plate-shaped body.It is furthermore preferred that carrying tool is
Circular plate-like shape object.
It can fix in 1 artificial tooth and be preced with according to the present invention, on carrying tool, can also fix in multiple artificial teeth and be preced with.It is preferred that
, it can fix in 5-25 artificial tooth and be preced with carrying tool.It is furthermore preferred that it can be fixed in 10-20 artificial tooth on carrying tool
Hat.Most preferably, it can fix in 15 artificial teeth and be preced with carrying tool.
According to the present invention, hat can be fixed on carrying tool in the form of single in artificial tooth, can also be with the shape of denture
Formula is fixed on carrying tool.
According to the present invention, hat in artificial tooth is fixed on carrying tool and specifically includes following steps：
S212：As shown in Fig. 7 (a), hat 100 in artificial tooth is embedded in liquid layer 110 with the upward upside down of perforate, from
And it is preced with 100 in fixed denture in liquid layer 110.
Preferably, the top of hat 100 flushes or slightly below liquid layer 110 with the horizontal plane of liquid layer 110 in artificial tooth
Horizontal plane.
Preferably, 100 direction in liquid layer 110 of hat is consistent with the direction of path of insertion in artificial tooth, and path of insertion is corona
With facing the interval location of tooth when on standby tooth.
Preferably, it is preced with artificial tooth between 100 upper outsides and liquid layer 110 and also sets up packing layer 120, packing layer 120
The gap between hat 100 and liquid layer 110 in artificial tooth can be filled.Packing layer 120 is slightly above the horizontal plane of liquid layer 110, from
And it can prevent liquid from falling into artificial tooth in hat 100.Preferably, the material that packing layer uses is blue ice glue.
Preferably, before by the insertion liquid of hat 100 layer 110 in artificial tooth, 100 surface coating bonding is preced with also in artificial tooth
Agent so that hat 100 is more firm in liquid layer 110 in artificial tooth, in the artificial tooth that can also make in the case where setting packing layer
It is preced with more easily peelable packing layer.Optionally, binding agent is synthetic rubber, paraffin, polyethylene glycol, polyvinyl alcohol, polyvinyl alcohol contracting
Any one in butyraldehyde or any several mixing.
Preferably, liquid is sand, and liquid layer is sand bed.
S214：As shown in Fig. 7 (b), curing agent 130 of being cast in artificial tooth in the opening of hat 100 and on liquid layer 110.Gu
After agent 130 solidifies, the carrying tool of hat in artificial tooth is formed.Preferably, curing agent is gypsum.
S216：As shown in Fig. 7 (c), liquid layer 110 is removed, carrying tool (curing agent 130 after solidification) is obtained and fixes
100 are preced with artificial tooth on to carrying tool.
Such as in step S212, there is provided packing layer 120, then also needs to remove packing layer 120 in step S216.
What step S212-S216 and Figure of description 7 (a) -7 (c) described in detail is that single artificial tooth is fixed to carrying tool
On method, it should be apparent to those skilled in the art that the above method be also applied for will in more artificial teeth hat or artificial tooth denture consolidate
Determine onto carrying tool.In other words, the number quantity and form of artificial tooth can't influence protection scope of the present invention.
S220：Carrying tool is arranged in the fixing device 50 of Digit Control Machine Tool.
S230：Fixing device 50 is moved to interior hat scan position, driving spatial digitizer 40, which is scanned in artificial tooth, to be preced with, and is obtained
Hat scan data in artificial tooth.
As it was previously stated, fixing device 50 can move along a straight line along X-axis, Y-axis, and rotated along A axles, B axle.Due to artificial tooth
Interior hat is fixed on carrying tool, and carrying tool is installed in fixing device 50, therefore hat can be with fixation in artificial tooth
Device 50 moves along a straight line along X-axis, Y-axis, and is rotated along A axles, B axle.
According to the present invention, Guan Saomiaoweizhichu, spatial digitizer 40 can complete to scan hat in artificial tooth, obtain artificial tooth inside
Interior hat scan data.Therefore, interior hat scan position can be a position, but preferably include multiple positions, and it is edge especially to include
The position for A axles and/or B axle rotation and being formed, to ensure that it is wide that spatial digitizer 40 can scan crown gear in enough artificial teeth
Face, scan data can be preced with being preced with artificial tooth in the artificial tooth of model data registration by being formed.
Preferably, interior hat scan position is determined by control system 70.Control system 70 can preset interior hat scanning position
Put and carry out automatically scanning with improving sweep efficiency, or select to be preced with scan position in determination to lift the flexible of scanning according to user
Property, or first according to it is set in advance it is interior hat scan position carry out automatically scanning, after according to user select determine interior hat scan
Position carries out complementary scan, to ensure the complete of scan data while improving sweep efficiency.
Preferably, interior hat scan position is located near deflection axis 20.
S240：Carrying tool is removed, heap porcelain is carried out to hat in artificial tooth, is formed outside artificial tooth and is preced with.
According to an aspect of the present invention, heap porcelain is carried out to hat in artificial tooth on carrying tool, i.e., not from carrying tool
Remove in artificial tooth and be preced with.
According to another aspect of the present invention, as shown in Fig. 8 (a)-Fig. 8 (b), removed first from carrying tool in artificial tooth
Hat 100, heap porcelain is then carried out to hat 100 in artificial tooth, 150 are preced with outside formation artificial tooth, will finally include being preced with outside 100 and artificial tooth in artificial tooth
The artificial tooth of hat 150 is installed back on carrying tool.Because the fixed part of carrying tool is formed by way of curing agent of casting
, hence in so that is preced with the installation site and artificial tooth be preced with outside artificial tooth removes position consistency, to ensure to be preced with outside artificial tooth in carrying work
Position and attitude on tool is identical with position and attitude of the hat on carrying tool in artificial tooth, so ensure in artificial tooth hat scan data and
Scan data is preced with outside artificial tooth to match.
According to the present invention, when being preced with outside heap porcelain formation artificial tooth, it is allowed to which the size being preced with outside artificial tooth is slightly larger than outside target and is preced with model
Data, match without being preced with model data outside accurate and artificial tooth, in order to be processed in subsequent step.Due to heap porcelain mistake
Journey need not be matched accurately so that the efficiency of heap porcelain also obtains raising by a relatively large margin.
S250：Bogey is installed in fixing device 50 again, fixing device 50 is moved to outer hat scan position.
Drive spatial digitizer 40 to scan outside artificial tooth to be preced with, obtain and be preced with scan data outside artificial tooth.
According to the present invention, Guan Saomiaoweizhichu, spatial digitizer 40 can complete to scan hat outside artificial tooth, obtain artificial tooth outside
Outer hat scan data.Therefore, outer hat scan position can be a position, but preferably include multiple positions, and it is edge especially to include
The position for A axles and/or B axle rotation and being formed, is preced with ensuring spatial digitizer 40 to scan outside enough artificial teeth, with true
Protect and the data that scan data is preced with the contoured surface being processed including machining tool 30 outside to artificial tooth are preced with outside the artificial tooth obtained.
Preferably, outer hat scan position is determined by control system 70.Control system 70 can preset outer hat scanning position
Put and carry out automatically scanning with improving sweep efficiency, or select to determine outer hat scan position to lift the flexible of scanning according to user
Property, or first according to it is set in advance it is outer hat scan position carry out automatically scanning, after according to user select determine outer hat scan
Position carries out complementary scan, to ensure the complete of scan data while improving sweep efficiency.
Preferably, outer hat scan position and interior hat scan position are identical or essentially identical, and outer hat scan position also is located at sweeping
Retouch near main shaft 20.
S260：According to being preced with model data in artificial tooth, model data is preced with outside artificial tooth, scan data is preced with artificial tooth, is preced with outside artificial tooth
Scan data determines the machining path being preced with outside artificial tooth.The determination method of machining path as noted in the introduction of this description, is not repeated.
S270：According to machining path, fixing device 50 is moved at Working position, driving machining tool 30 processes artificial tooth
Outer hat.
It is described above, only it is the better embodiment of the present invention, any formal limitation not is made to the present invention, it is every
Any simply modification, the equivalent variations that technical spirit according to the present invention is made to embodiment of above, each fall within the present invention's
Within protection domain.
Claims (10)
- A kind of 1. method that artificial tooth is processed using heap porcelain technique, it is characterised in that comprise the following steps：S210：Hat in artificial tooth is fixed on carrying tool (tabular or circular plate-like shape)；S220：Carrying tool is arranged in the fixing device of Digit Control Machine Tool；S230：Fixing device is moved to interior hat scan position, is preced with driving spatial digitizer scanning artificial tooth, is obtained in artificial tooth and be preced with Scan data；S240：Carrying tool is removed, heap porcelain is carried out to hat in artificial tooth, is formed outside artificial tooth and is preced with；S250：Bogey is installed in fixing device again, fixing device is moved to outer hat scan position, driving is three-dimensional It is preced with outside scanner scanning artificial tooth, obtains and be preced with scan data outside artificial tooth.
- 2. the method for processing artificial tooth according to claim 1, it is characterised in that the quantity of hat is 1 or 2 in the artificial tooth (such as 5-25,10-20) more than individual.
- 3. the method for processing artificial tooth according to claim 1, it is characterised in that titled with the shape of single artificial tooth in the artificial tooth The form of formula or artificial tooth denture is fixed on carrying tool.
- 4. the method for processing artificial tooth according to claim 1, it is characterised in that interior hat scan position can be a position Put, but preferably include multiple positions, it is the position for rotating and being formed along A axles and/or B axle especially to include.Preferably, interior hat is swept Position is retouched to be located near deflection axis 20.
- 5. the method for processing artificial tooth according to claim 1, it is characterised in that right on carrying tool in step S240 Hat carries out heap porcelain in artificial tooth.
- 6. the method for processing artificial tooth according to claim 1, it is characterised in that in step S240, first from carrying tool On remove in artificial tooth and be preced with, heap porcelain then is carried out to hat in artificial tooth, is formed outside artificial tooth and is preced with, will finally be included in artificial tooth outside hat and artificial tooth The artificial tooth of hat is installed back on carrying tool；Hat removes position consistency in the installation site and artificial tooth being preced with outside artificial tooth.
- 7. the method for processing artificial tooth according to claim 1, it is characterised in that the size being preced with outside artificial tooth is slightly larger than artificial tooth Outer hat model data.
- 8. the method for processing artificial tooth according to claim 1, it is characterised in that outer hat scan position can be a position Put, but preferably include multiple positions, it is the position for rotating and being formed along A axles and/or B axle especially to include.Preferably, outer hat is swept Position is retouched to be located near deflection axis 20.
- 9. the method for processing artificial tooth according to claim 1, it is characterised in that outer hat scan position and interior hat scan position It is identical or essentially identical.
- 10. the method for processing artificial tooth according to claim 1, it is characterised in that methods described is further comprising the steps of：S260：According to being preced with model data in artificial tooth, model data is preced with outside artificial tooth, scan data is preced with artificial tooth, is preced with scanning outside artificial tooth Data determine the machining path being preced with outside artificial tooth；S270：According to machining path, fixing device is moved at Working position, is preced with outside driving machining tool processing artificial tooth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048674 | 2016-11-21 | ||
| CN2016110486744 | 2016-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107678400A true CN107678400A (en) | 2018-02-09 |
| CN107678400B CN107678400B (en) | 2018-10-30 |
Family
ID=61145949
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078640.4A Active CN107861469B (en) | 2016-11-21 | 2017-11-06 | A kind of method, calculating equipment and the numerically-controlled machine tool system of processing artificial tooth |
| CN201711078647.6A Active CN107874854B (en) | 2016-11-21 | 2017-11-06 | A kind of method, calculating equipment and the numerically-controlled machine tool system of processing artificial tooth |
| CN201711078065.8A Active CN107678400B (en) | 2016-11-21 | 2017-11-06 | A kind of method, computing device and the numerically-controlled machine tool system of processing artificial tooth |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078640.4A Active CN107861469B (en) | 2016-11-21 | 2017-11-06 | A kind of method, calculating equipment and the numerically-controlled machine tool system of processing artificial tooth |
| CN201711078647.6A Active CN107874854B (en) | 2016-11-21 | 2017-11-06 | A kind of method, calculating equipment and the numerically-controlled machine tool system of processing artificial tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107861469B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955213A (en) * | 2019-12-09 | 2020-04-03 | 上海雷帕罗义齿有限公司 | Control system of artificial tooth processing automation line |
| CN112190354A (en) * | 2020-10-02 | 2021-01-08 | 吉林大学 | Double-sided efficient machining system and method for chair-side false teeth |
| CN113116572A (en) * | 2021-03-01 | 2021-07-16 | 北京联袂义齿技术有限公司 | False tooth model forming system and forming method based on cloud computing |
| CN114504397B (en) * | 2022-02-15 | 2023-08-22 | 南京铖联激光科技有限公司 | Intelligent design method for removable partial denture |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695694A (en) * | 2019-08-12 | 2020-01-17 | 南通大学 | System for four-axis false tooth numerical control machining center and adjusting method thereof |
| CN111658205B (en) * | 2020-06-04 | 2021-07-02 | 中国人民解放军空军军医大学 | Digital transfer method and system for removable partial removable denture co-positioning channel |
| CN113598994B (en) * | 2021-07-26 | 2022-07-15 | 广州黑格智造信息科技有限公司 | Rapid porcelain applying method |
| CN114260526B (en) * | 2021-12-22 | 2023-04-18 | 东莞市爱嘉义齿有限公司 | 3D prints wire-electrode cutting device of metal artificial tooth |
| CN117860415B (en) * | 2024-03-11 | 2024-05-10 | 成都四维齿科技术开发有限公司 | Denture fixing and repairing equipment and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070122767A1 (en) * | 2003-12-05 | 2007-05-31 | Renishaw Plc | Manufacture of dental prostheses |
| CN101259038A (en) * | 2008-04-09 | 2008-09-10 | 姜思思 | Tooth cap processing method |
| DE102012108202A1 (en) * | 2012-09-04 | 2014-03-06 | Ming-Sen Chen | Melting light-curable epoxy composite material on surface of zirconia material by performing surface treatment process of inner tooth crown portion including coating surface of crown portion with modifier and automatic grinding process |
| CN204274690U (en) * | 2014-12-02 | 2015-04-22 | 亚力士电脑机械股份有限公司 | Plant the implant structure of tooth |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936533Y (en) * | 2006-08-15 | 2007-08-22 | 上海大量光电科技有限公司 | Machine tool with laser scan drawing instrument and cutting or carving device |
| WO2009035142A1 (en) * | 2007-09-13 | 2009-03-19 | Kabushiki Kaisya Advance | Dental inlay graft measuring/machining system |
| JP5437891B2 (en) * | 2010-04-12 | 2014-03-12 | Ｄｍｇ森精機株式会社 | Workpiece measuring apparatus and method for machine tool |
| CN202079439U (en) * | 2011-03-31 | 2011-12-21 | 昆山艾思迪机械科技有限公司 | Five-axis linkage tool grinding machine with detector |
| CN102430961B (en) * | 2011-10-28 | 2013-10-30 | 华中科技大学 | Free-form surface part processing system based on multi-sensor integrated measurement technology |
| FR2994076B1 (en) * | 2012-07-31 | 2016-12-30 | Guillaume Champleboux | METHOD AND DEVICE FOR PREPARING TO INSTALL A DENTAL IMPLANT |
| CN104546151A (en) * | 2013-10-09 | 2015-04-29 | 北京大学口腔医学院 | Numerical control laser automatic tooth preparation method and equipment thereof |
| CN104457566A (en) * | 2014-11-10 | 2015-03-25 | 西北工业大学 | Spatial positioning method not needing teaching robot system |
| CN105832436A (en) * | 2015-01-14 | 2016-08-10 | 上海新世纪齿科材料有限公司 | Five-axis false tooth processing machine tool |
| CN104546172A (en) * | 2015-01-19 | 2015-04-29 | 上海申雕数控机械有限公司 | Full-automatic five-axis false tooth processing equipment |
| CN105411705A (en) * | 2015-12-19 | 2016-03-23 | 杭州培瑞科技有限公司 | Tooth and making method thereof |
| CN105499904B (en) * | 2016-01-04 | 2017-12-08 | 湘潭大学 | A kind of part prosthetic device and its application method based on increase and decrease material manufacture |
-
2017
- 2017-11-06 CN CN201711078640.4A patent/CN107861469B/en active Active
- 2017-11-06 CN CN201711078647.6A patent/CN107874854B/en active Active
- 2017-11-06 CN CN201711078065.8A patent/CN107678400B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070122767A1 (en) * | 2003-12-05 | 2007-05-31 | Renishaw Plc | Manufacture of dental prostheses |
| CN101259038A (en) * | 2008-04-09 | 2008-09-10 | 姜思思 | Tooth cap processing method |
| DE102012108202A1 (en) * | 2012-09-04 | 2014-03-06 | Ming-Sen Chen | Melting light-curable epoxy composite material on surface of zirconia material by performing surface treatment process of inner tooth crown portion including coating surface of crown portion with modifier and automatic grinding process |
| CN204274690U (en) * | 2014-12-02 | 2015-04-22 | 亚力士电脑机械股份有限公司 | Plant the implant structure of tooth |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955213A (en) * | 2019-12-09 | 2020-04-03 | 上海雷帕罗义齿有限公司 | Control system of artificial tooth processing automation line |
| CN112190354A (en) * | 2020-10-02 | 2021-01-08 | 吉林大学 | Double-sided efficient machining system and method for chair-side false teeth |
| CN113116572A (en) * | 2021-03-01 | 2021-07-16 | 北京联袂义齿技术有限公司 | False tooth model forming system and forming method based on cloud computing |
| CN114504397B (en) * | 2022-02-15 | 2023-08-22 | 南京铖联激光科技有限公司 | Intelligent design method for removable partial denture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107874854A (en) | 2018-04-06 |
| CN107678400B (en) | 2018-10-30 |
| CN107861469B (en) | 2019-01-01 |
| CN107874854B (en) | 2019-03-12 |
| CN107861469A (en) | 2018-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107678400B (en) | A kind of method, computing device and the numerically-controlled machine tool system of processing artificial tooth | |
| US11903792B2 (en) | Automated production of dental restoration | |
| US8215956B2 (en) | Dental articulator with positioning key | |
| US5027281A (en) | Method and apparatus for scanning and recording of coordinates describing three dimensional objects of complex and unique geometry | |
| US5121333A (en) | Method and apparatus for manipulating computer-based representations of objects of complex and unique geometry | |
| US5128870A (en) | Automated high-precision fabrication of objects of complex and unique geometry | |
| US5257203A (en) | Method and apparatus for manipulating computer-based representations of objects of complex and unique geometry | |
| US5121334A (en) | Method and apparatus for automated machining of objects of complex and unique geometry | |
| KR101567204B1 (en) | Method and system for fabricating dental prosthesis | |
| Kim et al. | Trueness of milled prostheses according to number of ball-end mill burs | |
| CN107198586B (en) | A kind of Digital Design production method of edentulous jaw functional imperative individual tray | |
| JP4291897B2 (en) | Method for producing dental prosthesis | |
| CN106031665B (en) | A kind of Dental implantion repairs the designing and manufacturing method of individual tray | |
| SE523022C3 (en) | Procedure and apparatus for a dental restoration | |
| CN114329965A (en) | Method for filling concave parts in crowded dentition, device and equipment thereof | |
| US20220151748A1 (en) | System and Method for Coloring a Dental Prosthesis | |
| EP4031060B1 (en) | Three-dimensional dental scanning system and method of scanning | |
| Santosi et al. | An innovative photogrammetric system for 3D digitization of dental models | |
| CN112836371A (en) | Method for measuring and calculating actual shrinkage rate of dental prosthesis | |
| CN110057545A (en) | The standard evaluation method of spatial digitizer scanning accuracy in a kind of mouth | |
| CN202192932U (en) | Simulative figure making system adopting stereoscopic photographing | |
| CN105653753A (en) | Multi-reference point system aligned edentulous jaw model centric relation position three-dimensional reconstruction method | |
| GB2504471A (en) | Method for optimized dental component milling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for machining false teeth, computing device and numerical control machine tool system Effective date of registration: 20190715 Granted publication date: 20181030 Pledgee: Ningbo Tianjin Enterprise Service Co., Ltd. Pledgor: NINGBO FREQTY PHOTOELECTRIC TECHNOLOGY CO., LTD. Registration number: 2019330000196 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200702 Granted publication date: 20181030 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO FREQTY OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: 2019330000196 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for machining false teeth, computing device and numerical control machine tool system Effective date of registration: 20200706 Granted publication date: 20181030 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO FREQTY OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2020330000443 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211015 Granted publication date: 20181030 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO FREQTY OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2020330000443 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |