CN105596106A - Method for acquisition of complete dentition model by computer rectification combination by sectionally taking model - Google Patents
Method for acquisition of complete dentition model by computer rectification combination by sectionally taking model Download PDFInfo
- Publication number
- CN105596106A CN105596106A CN201510948347.3A CN201510948347A CN105596106A CN 105596106 A CN105596106 A CN 105596106A CN 201510948347 A CN201510948347 A CN 201510948347A CN 105596106 A CN105596106 A CN 105596106A
- Authority
- CN
- China
- Prior art keywords
- model
- segmentation
- sections
- complete
- registration
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A method for acquisition of a complete dentition model by computer rectification combination by sectionally taking the model comprises the following steps: 1) a tooth position is selected, 2) a dental mold is made, 3) each segment of dentition gypsum model is scanned to obtain original data, and the original data is respectively stored as an STL file, 4) reverse engineering software-Geomagic Qualify is used for segmented dentition matching by use of a computer, 5) software initial parameters are set, the STL file in the step 4 is selected, a three-dimensional modeling view is formed in the software, then sectional dentition gypsum model three-dimensional views are respectively matched with segmented models, and overlapping parts of the models can be removed by operation cutting to obtain a the complete dentition model, and 6) accuracy is verified, and according to the method, dentitions of mouth-opening-limitation other patients excluding patients with complete limitation of mouth opening (trismus) and some severe limitation of mouth opening can be collected, and reliable data can be provided for follow-up treatment and operations.
Description
Technical field
The invention belongs to Medical Digital field, be specifically related to the method for a kind of segmentation delivery by the complete dental arch model of computer registration combination collection.
Background technology
Limitation of mouth opening is comparatively common clinically symptom, can be by local inflammation, injure the initiations such as tumour outward.
According to the size of mouth opening, clinically limitation of mouth opening is divided into four degree (slight: two approximately 2～2.5cm of horizontal finger; Moderate: an approximately 1～2.0cm of horizontal finger; Severe: in the about 1cm of the horizontal finger of less than one; Limitation of mouth opening claims again teeth clenched completely).
In clinical treatment, the interior denture situation of mouth that gathers limitation of mouth opening patient if need has difficulties. At present the method for conventional observation patient interlock as, impression method, imaging examination (as CT photography three-dimensional reconstruction), mouth cavity scanner method. These methods can intactly be transferred to oral external by patient's denture situation in oral cavity, are convenient to observe better and sham operated scheme. But for the patient of limitation of mouth opening, traditional die is because conventional pallet cannot be put into patient's mouth, so cannot meet this requirement. Existing Cranial Computed Tomography/CBCT three-dimensional reconstruction of photographing, is one and well selects, if thereby but exist the artifact that metal object produces to disturb imaging effect in patient's mouth. In mouthful, dentistry spatial digitizer is as an emerging product, can time saving and energy saving ground complete copy patient mouth interior situation, and for severe limitation of mouth opening patient, the probe of scanner cannot enter oral cavity, also cannot realize object.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of segmentation delivery is gathered complete dental arch model method by the combination of computer registration, can gather except complete limitation of mouth opening (teeth clenched) and part severe limitation of mouth opening, other limitations of mouth opening patient's denture, can be successive treatment, as operation provides authentic data.
To achieve these goals, the technical solution used in the present invention is:
Segmentation delivery is gathered a method for complete dental arch model by the combination of computer registration, comprise the following steps:
1) choosing of tooth position: according to patient's limitation of mouth opening situation, determine whether upper and lower jaw needs segmentation delivery and need point several sections of deliverys, the upper jaw can use the dish delivery that puts one's child in a boarding nursery, lower jaw is because there being stopping of tongue, need point two sections of tooth positions or three sections of tooth position deliverys, when segmentation delivery, the complete tooth position that at least needs to overlap between adjacent two segment models, for later stage computer coupling;
2) making of tooth mould: the method that adopts secondary delivery, use interim wax segmentation pallet, after alginate impression material delivery, part charge is held together, and gypsum entirety is filled with mould, and gypsum blank mould completes, on blank mould plaster cast, make optical plastic substrate segmentation pallet, silicone rubber impression material secondary die, mould is filled with in gypsum segmentation, and segmentation denture gypsum completes;
4) by model spatial digitizer, every section of segmentation denture plaster cast is scanned, obtain initial data, save as respectively stl file;
5) adopt reverse engineering software-GeomagicQualify, carry out computer coupling segmentation denture, setting unit is millimeter;
6) software initial parameter is set, the stl file of selecting step 4, in software, form three-dimensional modeling view, then segmentation denture plaster cast 3-D view is mated to segmented model successively, if two sections of denture plaster cast 3-D views, adopt the method for " manual registration ", select " registration of n point ", a selected model is " fixing ", another model is elected " floating " as, on " fixing " model, be taken to the point of few 3 dispersions, comprise containing cheek, lingual surface and incisxal edge/cusp/jaw face, in " floating " model same position, mark same point, by " Register ", two segment models being realized substantially on locus overlaps, to ensure the coincidence of model on three-dimensional, carry out again " overall situation registration " and carry out meticulous coupling, check after average distance and standard deviation, two sections have the independent model registration of overlapping tooth position as a whole the most at last, if three sections of denture plaster cast 3-D views, adopt identical two sections of adjacent denture plaster casts of method coupling, mate with the 3rd section again, overlapping part between cutting remove model, obtain a complete dental arch model,
7) checking accuracy, taking the complete plaster cast of standard mandibular dentition as contrast groups, again the complete mandibular dentition model of three sections of registrations and the complete mandibular dentition plaster cast of standard are carried out after " registration " program of step 5, carry out " 3D comparison ", generate by " cloud atlas ", in cloud atlas, analyze its coincidence factor, thereby judge registration model whether with mouth in denture matching degree.
Two sections of described tooth positions are 37～42/41,47～32/31, three sections of tooth positions 37～33/44,34/35～44/45,43/44～47.
In described tailoring process, use " choosing thoroughly " function, at model lap, select non-anatomic landmark place as line of cut, delete the part overlapping between model, the optional two tooth adjoiners in non-anatomic landmark place.
After three described segment model registrations, overlapping part needs to delete, use " perspective " to observe the overlapping part of three segment models, avoid the important regions of anatomy such as cusp, use " straight line selection tool ", scale-up model, ensure that the shared picture of straight line is the narrowest, delete after this straight line, 1,3 two model has been divided into respectively two sections, delete its total part, complete the object that forms single " figure layer ", with 2,3 two models of method operation, finally formed a model that there is no lap.
The invention has the beneficial effects as follows:
1) obtain the method for complete dental arch model with respect to the personalized pallet of the making complexity relating in existing research, the present invention relies on computer software registration, can save the time of making individual tray, be convenient to clinical delivery, even if there is indivedual teeth position disappearance, there is overlapping region as long as meet between every segment model, also can carry out registration.
2) by the denture after computer software registration, can be used for mating with jawbone, carry out surgical simulation, for instructing operating carrying out. The patient who particularly needs Repeated Operation for limitation of mouth opening companion dentomatillofacial detormity, the method can be the in the situation that of patient's conditions permit, reduces operation number of times, thereby reduces patient's operation wound.
Brief description of the drawings
Fig. 1 is the invention process flow chart of steps.
Fig. 2 is alginate impression sterogram of the present invention.
Fig. 3 is blank mould plaster cast sterogram of the present invention.
Fig. 4 is optical plastic substrate segmentation pallet sterogram of the present invention.
Fig. 5 is the computer vision of segmentation denture plaster cast of the present invention.
Fig. 6 is the computer vision of complete dental arch model of the present invention.
Detailed description of the invention
Below in conjunction with concrete enforcement, the present invention is further narrated.
As shown in Figure 1, a kind of segmentation delivery is gathered the method for complete dental arch model by the combination of computer registration, comprise the following steps:
1) choosing of tooth position: according to patient's limitation of mouth opening situation, determine whether upper and lower jaw needs segmentation delivery and need point several sections of deliverys, the upper jaw can use the dish delivery that puts one's child in a boarding nursery, lower jaw is because there being stopping of tongue, need point two sections of tooth positions or three sections of tooth position deliverys, when segmentation delivery, the complete tooth position that at least needs to overlap between adjacent two segment models, for later stage computer coupling;
2) making of tooth mould: the method that adopts secondary delivery, use interim wax segmentation pallet, after alginate impression material delivery, part charge is held together, and gypsum entirety is filled with mould, and gypsum blank mould completes, on blank mould plaster cast, make optical plastic substrate segmentation pallet, silicone rubber impression material secondary die, mould is filled with in gypsum segmentation, and segmentation denture gypsum completes;
4) by model spatial digitizer, every section of segmentation denture plaster cast is scanned, obtain initial data, save as respectively stl file;
5) adopt reverse engineering software-GeomagicQualify, carry out computer coupling segmentation denture, setting unit is millimeter;
6) software initial parameter is set, the stl file of selecting step 4, in software, form three-dimensional modeling view, then segmentation denture plaster cast 3-D view is mated to segmented model successively, if two sections of denture plaster cast 3-D views, adopt the method for " manual registration ", select " registration of n point ", a selected model is " fixing ", another model is elected " floating " as, on " fixing " model, be taken to the point of few 3 dispersions, comprise containing cheek, lingual surface and incisxal edge/cusp/jaw face, in " floating " model same position, mark same point, by " Register ", two segment models being realized substantially on locus overlaps, to ensure the coincidence of model on three-dimensional, carry out again " overall situation registration " and carry out meticulous coupling, check after average distance and standard deviation, two sections have the independent model registration of overlapping tooth position as a whole the most at last, if three sections of denture plaster cast 3-D views, adopt identical two sections of adjacent denture plaster casts of method coupling, mate with the 3rd section again, overlapping part between cutting remove model, obtain a complete dental arch model,
7) checking accuracy, taking the complete plaster cast of standard mandibular dentition as contrast groups, again the complete mandibular dentition model of three sections of registrations and the complete mandibular dentition plaster cast of standard are carried out after " registration " program of step 5, carry out " 3D comparison ", generate by " cloud atlas ", in cloud atlas, analyze its coincidence factor, thereby judge registration model whether with mouth in denture matching degree.
Two sections of described tooth positions are 37～42/41,47～32/31, three sections of tooth positions 37～33/44,34/35～44/45,43/44～47.
In described tailoring process, use " choosing thoroughly " function, at model lap, select non-anatomic landmark place as line of cut, delete the part overlapping between model, the optional two tooth adjoiners in non-anatomic landmark place.
After three described segment model registrations, overlapping part needs to delete, use " perspective " to observe the overlapping part of three segment models, avoid the important regions of anatomy such as cusp, use " straight line selection tool ", scale-up model, ensure that the shared picture of straight line is the narrowest, delete after this straight line, 1,3 two model has been divided into respectively two sections, delete its total part, complete the object that forms single " figure layer ", with 2,3 two models of method operation, finally formed a model that there is no lap.
Taking clinical case as embodiment, patient's mouth opening is about 1cm.
1) blank mould, alginate impression material is produced respectively upper and lower jaw die, and according to this patient's limitation of mouth opening situation, maxillary support disc can be put into mouth, can obtain complete model; And lower jaw pallet is due to the stopping of tongue, need row segmentation delivery, use the interim pallet of wax to divide 3 sections (as a37-33, b35-45, c43-47) to produce mandibular dentition die to lower jaw, by three sections of interim pallets of wax entirety that permeates, perfusion plaster cast;
2) make mandibular dentition individual tray, on mandibular dentition blank mould plaster cast, use optical plastic substrate to make 3 sections of individual trays, comprise that tooth position is respectively a:37-33, b:35-45, c:43-47, between two an at least overlapping complete tooth position between pallet;
3) secondary die: use silicone rubber impression material, produce respectively 3 sections of secondary dies of mandibular dentition with mandibular dentition segmented pallet, pour into respectively plaster cast;
4) scanning: the spatial digitizer that uses a model (Denmark 3shape, R700) scans 3 sections of plaster casts of mandibular dentition plaster cast respectively, saves as A.STL, B.STL, C.STL file;
5) computer coupling mandibular dentition: in GeomagicQualify2013, first mate two sections of adjacent mandibular dentition plaster casts, as A and B, open A.STL, B.STL file, carrying out " manual registration " in " alignment " tentatively mates it, select " registration of n point ", a selected model is " fixing ", another model is elected " floating " as, the point (comprising respectively cheek, lingual surface and incisxal edge/cusp/jaw face) that is taken to few 3 dispersions on " fixing " model marks same point in " floating " model same position. Realize both coincidences substantially by " Register ", average distance: 0.197541mm and standard deviation: 0.144074mm. Carry out " overall situation registration " and carry out meticulous coupling, average distance: 0.1425778mm and standard deviation: 159834mm, two sections have the independent model coordination of overlapping tooth position as a whole the most at last. By identical method, this entirety is mated with C, " manual registration " obtains average distance: 0.246417mm and standard deviation: 0.154022mm again; " overall situation registration " obtains average distance: 0.124366mm and standard deviation: 0.142794mm. Obtain thus a preliminary complete mandibular dentition model;
6) checking accuracy: taking standard mandibular dentition plaster cast as example, method for registering is the same, 1,2,3 three sections of gypsum dentures, first carry out 1,3 registrations (average distance: 0.108249mm and standard deviation: 0.037836mm), by Model registration (average distance: 0.145487mm and standard deviation: 0.053179mm) after 2 and 1,3 combinations, form complete model again. Again the complete mandibular dentition model of three sections of registrations and the complete mandibular dentition plaster cast of standard are carried out to 3D comparison, analyze its coincidence factor, thereby judge that whether registration model is consistent with denture situation in mouth. Should be noted that overlapping part after need deletion three segment model registrations forms single " figure layer ", otherwise cannot carry out 3D comparison herein. Concrete grammar is: uses " perspective " to observe 1,2,3 overlapping parts, avoids the important regions of anatomy such as cusp, use " straight line selection tool ", and scale-up model as far as possible, the narrowest to ensure the shared picture of straight line, to reduce error. Delete after this straight line, 1,3 two model has been divided into respectively two sections, deletes its total part, has completed the object that forms single " figure layer ". With 2,3 two models of method operation. The model that one of final formation does not have lap, carries out this model and master pattern after " registration " program (ditto), to carry out 3D comparison, generates by " cloud atlas ". In cloud atlas, can find out intuitively both matching degrees.
Claims (4)
1. segmentation delivery is gathered a method for complete dental arch model by the combination of computer registration, it is characterized in that, comprises the following steps:
1) choosing of tooth position: according to patient's limitation of mouth opening situation, determine whether upper and lower jaw needs segmentation delivery and need point several sections of deliverys, the upper jaw can use the dish delivery that puts one's child in a boarding nursery, lower jaw is because there being stopping of tongue, need point two sections of tooth positions or three sections of tooth position deliverys, when segmentation delivery, the complete tooth position that at least needs to overlap between adjacent two segment models, for later stage computer coupling;
2) making of tooth mould: the method that adopts secondary delivery, use interim wax segmentation pallet, after alginate impression material delivery, part charge is held together, and gypsum entirety is filled with mould, and gypsum blank mould completes, on blank mould plaster cast, make optical plastic substrate segmentation pallet, silicone rubber impression material secondary die, mould is filled with in gypsum segmentation, and segmentation denture gypsum completes;
4) by model spatial digitizer, every section of segmentation denture plaster cast is scanned, obtain initial data, save as respectively stl file;
5) adopt reverse engineering software-GeomagicQualify, carry out computer coupling segmentation denture, setting unit is millimeter;
6) software initial parameter is set, the stl file of selecting step 4, in software, form three-dimensional modeling view, then segmentation denture plaster cast 3-D view is mated to segmented model successively, if two sections of denture plaster cast 3-D views, adopt the method for " manual registration ", select " registration of n point ", a selected model is " fixing ", another model is elected " floating " as, on " fixing " model, be taken to the point of few 3 dispersions, comprise containing cheek, lingual surface and incisxal edge/cusp/jaw face, in " floating " model same position, mark same point, by " Register ", two segment models being realized substantially on locus overlaps, to ensure the coincidence of model on three-dimensional, carry out again " overall situation registration " and carry out meticulous coupling, check after average distance and standard deviation, two sections have the independent model registration of overlapping tooth position as a whole the most at last, if three sections of denture plaster cast 3-D views, adopt identical two sections of adjacent denture plaster casts of method coupling, mate with the 3rd section again, overlapping part between cutting remove model, obtain a complete dental arch model,
7) checking accuracy, taking the complete plaster cast of standard mandibular dentition as contrast groups, again the complete mandibular dentition model of three sections of registrations and the complete mandibular dentition plaster cast of standard are carried out after " registration " program of step 5, carry out " 3D comparison ", generate by " cloud atlas ", in cloud atlas, analyze its coincidence factor, thereby judge registration model whether with mouth in denture matching degree.
2. a kind of segmentation delivery according to claim 1 is gathered the method for complete denture by computer realization segmentation registration, and two sections of described tooth positions are 37～42/41,47～32/31, three sections of tooth positions 37～33/44,34/35～44/45,43/44～47.
3. a kind of segmentation delivery according to claim 1 is gathered the method for complete dental arch model by the combination of computer registration, in described tailoring process, use " choosing thoroughly " function, at model lap, select non-anatomic landmark place as line of cut, delete the part overlapping between model, the optional two tooth adjoiners in non-anatomic landmark place.
4. a kind of segmentation delivery according to claim 1 is gathered the method for complete dental arch model by the combination of computer registration, after three described segment model registrations, overlapping part needs to delete, use " perspective " to observe the overlapping part of three segment models, avoid the important regions of anatomy such as cusp, use " straight line selection tool ", scale-up model, ensure that the shared picture of straight line is the narrowest, delete after this straight line, 1, 3 two models have been divided into respectively two sections, delete its total part, complete the object that forms single " figure layer ", with method operation 2, 3 two models, one of final formation does not have the model of lap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948347.3A CN105596106B (en) | 2015-12-17 | 2015-12-17 | A kind of method for being segmented modulus and complete dental arch model being gathered by computer registration combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948347.3A CN105596106B (en) | 2015-12-17 | 2015-12-17 | A kind of method for being segmented modulus and complete dental arch model being gathered by computer registration combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105596106A true CN105596106A (en) | 2016-05-25 |
| CN105596106B CN105596106B (en) | 2017-12-12 |
Family
ID=55976852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948347.3A Active CN105596106B (en) | 2015-12-17 | 2015-12-17 | A kind of method for being segmented modulus and complete dental arch model being gathered by computer registration combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105596106B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919684A (en) * | 2016-05-27 | 2016-09-07 | 穆檬檬 | Method for building three-dimensional tooth-and-jaw fusion model |
| CN105078598B (en) * | 2014-05-14 | 2016-12-07 | 北京大学口腔医学院 | The digitized preparation method of edentulous jaw personalization impression tray |
| CN108460827A (en) * | 2018-02-27 | 2018-08-28 | 上海交通大学医学院附属第九人民医院 | A method of based on multi-source data Design of digital and making disabler model |
| CN111862171A (en) * | 2020-08-04 | 2020-10-30 | 万申(北京)科技有限公司 | CBCT and laser scanning point cloud data tooth registration method based on multi-view fusion |
| US20200367999A1 (en) * | 2019-05-22 | 2020-11-26 | Jason Griffiths | Digitizing and merging sectional impression trays to create a dental arch for dental device manufacturing |
| CN113827363A (en) * | 2021-09-17 | 2021-12-24 | 广州华视光学科技有限公司 | Intelligent labeling method and device for oral lesion three-dimensional model |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093253A (en) * | 1994-04-06 | 1994-10-12 | 许保琴 | Sectional and combined dental prosthesis |
| US20070037116A1 (en) * | 2005-08-11 | 2007-02-15 | Knutson Eric J | Occlusal indicator tray & processes therefor |
| CN101536000A (en) * | 2006-07-06 | 2009-09-16 | 史密丝克莱恩比彻姆公司 | System and method for manufacturing full and partial dentures |
| WO2011066895A1 (en) * | 2009-12-04 | 2011-06-09 | Heraeus Kulzer Gmbh | Production of individual dental prostheses via cad/cam and rapid manufacturing/rapid prototyping from data of the digital impression |
| CN103637851A (en) * | 2012-06-11 | 2014-03-19 | 赫罗伊斯库尔泽有限公司 | Production of dental prostheses via CAD and rapid manufacturing from digitally recorded oral data |
-
2015
- 2015-12-17 CN CN201510948347.3A patent/CN105596106B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093253A (en) * | 1994-04-06 | 1994-10-12 | 许保琴 | Sectional and combined dental prosthesis |
| US20070037116A1 (en) * | 2005-08-11 | 2007-02-15 | Knutson Eric J | Occlusal indicator tray & processes therefor |
| CN101536000A (en) * | 2006-07-06 | 2009-09-16 | 史密丝克莱恩比彻姆公司 | System and method for manufacturing full and partial dentures |
| WO2011066895A1 (en) * | 2009-12-04 | 2011-06-09 | Heraeus Kulzer Gmbh | Production of individual dental prostheses via cad/cam and rapid manufacturing/rapid prototyping from data of the digital impression |
| CN103637851A (en) * | 2012-06-11 | 2014-03-19 | 赫罗伊斯库尔泽有限公司 | Production of dental prostheses via CAD and rapid manufacturing from digitally recorded oral data |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078598B (en) * | 2014-05-14 | 2016-12-07 | 北京大学口腔医学院 | The digitized preparation method of edentulous jaw personalization impression tray |
| CN105919684A (en) * | 2016-05-27 | 2016-09-07 | 穆檬檬 | Method for building three-dimensional tooth-and-jaw fusion model |
| CN108460827A (en) * | 2018-02-27 | 2018-08-28 | 上海交通大学医学院附属第九人民医院 | A method of based on multi-source data Design of digital and making disabler model |
| US20200367999A1 (en) * | 2019-05-22 | 2020-11-26 | Jason Griffiths | Digitizing and merging sectional impression trays to create a dental arch for dental device manufacturing |
| CN111862171A (en) * | 2020-08-04 | 2020-10-30 | 万申(北京)科技有限公司 | CBCT and laser scanning point cloud data tooth registration method based on multi-view fusion |
| CN111862171B (en) * | 2020-08-04 | 2021-04-13 | 万申(北京)科技有限公司 | CBCT and laser scanning point cloud data tooth registration method based on multi-view fusion |
| CN113827363A (en) * | 2021-09-17 | 2021-12-24 | 广州华视光学科技有限公司 | Intelligent labeling method and device for oral lesion three-dimensional model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105596106B (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11925522B2 (en) | Dental restoration molds | |
| US20220047357A1 (en) | One-piece dental restoration molds | |
| CN105596106A (en) | Method for acquisition of complete dentition model by computer rectification combination by sectionally taking model | |
| Sun et al. | Study on CAD&RP for removable complete denture | |
| CN111093554B (en) | System for preparing teeth for placing veneers | |
| CN104699865B (en) | A kind of digitalized oral cavity fixes the method and device repaired | |
| CN106806030B (en) | A kind of crown root threedimensional model fusion method | |
| CN106725936B (en) | Dental 3D printing system based on cloud technology | |
| CN105078598B (en) | The digitized preparation method of edentulous jaw personalization impression tray | |
| EP2327371A1 (en) | Fabrication of dental works from digital models | |
| CN105982753B (en) | A kind of method for improving edentulous jaw personalization pallet precision in place in oral cavity | |
| CN106580495B (en) | Dental 3D printing system | |
| CN109803604B (en) | Co-placement support for artificial teeth | |
| CN106073918A (en) | A kind of method of 3D printing and making tooth mould mould | |
| US20110060438A1 (en) | Treating Cleft Palate | |
| CN107198586A (en) | A kind of Digital Design preparation method of edentulous jaw functional imperative individual tray | |
| CN111067650B (en) | Novel digital pile-core impression acquisition and model building method without gypsum | |
| CN110314004A (en) | It digitizes standby tooth and plants the production method and surgical guide of combined surgery guide plate | |
| CN104323865A (en) | Guide plate for implantation of orthodontic micro-screw and manufacturing method thereof | |
| CN112419476A (en) | Method and system for creating three-dimensional virtual image of dental patient | |
| CN204207868U (en) | Correction micro screw implantation guide plate | |
| CN106821550B (en) | Split type jaw defect prosthesis preparation method | |
| CN108392276A (en) | A kind of production method of digitlization children's space retainer | |
| Park et al. | Optical impression in restorative dentistry | |
| AU2013100527A4 (en) | Dental restoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |