CN116473705A - Removable denture and manufacturing method for adding materials or subtracting materials of removable denture - Google Patents
Removable denture and manufacturing method for adding materials or subtracting materials of removable denture Download PDFInfo
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- CN116473705A CN116473705A CN202310434281.0A CN202310434281A CN116473705A CN 116473705 A CN116473705 A CN 116473705A CN 202310434281 A CN202310434281 A CN 202310434281A CN 116473705 A CN116473705 A CN 116473705A
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- removable denture
- cheek
- denture
- lip
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 27
- 239000000654 additive Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 208000009929 Edentulous Mouth Diseases 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000011256 inorganic filler Substances 0.000 claims description 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 10
- 210000000214 mouth Anatomy 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 210000004513 dentition Anatomy 0.000 description 3
- 230000036346 tooth eruption Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000005548 dental material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002699 waste material Substances 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
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
-
- 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
-
- 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
- A61C13/0019—Production methods using three dimensional printing
-
- 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
- A61C13/087—Artificial resin teeth
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses a removable denture and a manufacturing method for material addition or material reduction of the removable denture. The invention also discloses a manufacturing method, which comprises the steps of obtaining the oral cavity data of a patient, designing the shapes of the gingival base, the false tooth and the lip and cheek repairing plate, respectively processing the movable false tooth and the lip and cheek repairing plate, and fixing the lip and cheek repairing plate and the movable false tooth; and (3) carrying out surface polishing treatment on the restoration. According to the invention, the gum base and the false tooth are integrally carved, the lip cheek side repairing plate is fixed on the gum base, so that the attractive performance of the final repairing body is ensured, meanwhile, the advantages of rapidness, accuracy and convenience in digitalization can be fully utilized, the experience and technical requirements on technicians are reduced to the greatest extent, and the waiting time of patients and the chair side operation time of medical staff are saved.
Description
Technical Field
The invention relates to the technical field of oral health, in particular to an artificial tooth manufactured by additive or subtractive manufacturing and a manufacturing method thereof.
Background
Complete dentures are the main restoration method of dentures patients, and are the most complex restoration in oral restoration, and clinicians and technicians need more operation steps and higher technical requirements in the completion process, and classical restoration techniques depend on manual operation skills and expert experiences in a large amount. Many young doctors, including young technicians, are reluctant to complete dentures and unwilling to complete dentures. Therefore, under the background, the development of the digital complete denture greatly solves or simplifies the steps of complexity and strong technical dependence in the traditional complete denture restoration process, plays a good role in improving the clinical efficiency and quality of the oral cavity, can enhance the quality control of denture manufacture, avoids human errors, is more accurate, reduces the dependence on clinical experience, shortens the working time beside a doctor's chair, enables a patient to receive treatment restoration more quickly, has the irreplaceable advantage of digitalization, namely can archive data, is very convenient for the duplication of a restoration body, and can provide a history record of future consultation for the patient.
The main implementation path of the digital complete denture at present is that the oral condition of a patient is acquired and digitized, a digital three-dimensional oral model is generated, complete denture data is designed through software, and the final restoration can be realized through CAD/CAM material reduction manufacturing or material addition manufacturing, wherein the material reduction manufacturing is also divided into two modes, and one is a base dentition integrated CAD/CAM; the other is a split CAD/CAM of the base and dentition, which requires bonding of the two parts using an adhesive such as a self-setting resin.
At present, a plurality of application methods of digital complete dentures exist internationally, or more prepared modes of introducing digital application in the complete denture production and manufacturing flow are diversified, but in summary, the following three methods are mainly adopted, and in the early stage, direct interface scanning or model taking and scanning are required to obtain oral data of a patient, and after the STL data of the complete denture is obtained after CAD design:
the first method is as follows: according to the STL data of the complete denture designed at the front end, respectively manufacturing a complete denture red base and a complete denture tooth by using a material reduction or material addition, and then bonding the base and the tooth by adopting an adhesive;
the second method is as follows: referring to Wieland system for example, according to the front-end designed complete denture STL data, the complete denture red base is manufactured by using a material reduction or material addition, the complete denture red base is manufactured by using a finished synthetic resin tooth as a denture part, and then the complete denture red base and the finished tooth are bonded by adopting an adhesive.
The method III comprises the following steps: referring to the Baltic system, the entire denture is directly printed or digitally processed by using a dental material according to the front-end designed denture STL data.
The first and second methods have the defects of good aesthetic degree, but have the defects that the bonding gap is reserved, the bonding gap easily influences the displacement error of the complete denture tooth body at the position of the gum color base clamping groove or the problem of occlusion elevation caused by too thick adhesive coating, and meanwhile, the risk of debonding caused by loose bonding due to small bonding area between a single tooth and a base exists. The method III has the advantages that the integrated processing is adopted, the risk of bonding failure is avoided, the attractive effect is poor, the imitation is not realized, the teeth and the gingiva have no natural color and curve transition, and the clinical requirements on repairing aesthetic can not be met when the method III is directly used.
Therefore, the removable denture and the manufacturing method for the material addition or the material reduction thereof solve the technical problems of poor aesthetic property or bonding failure, occlusion elevation and the like of the removable denture in the existing method, and provide a safer and more effective solution for the lip and cheek side repair.
Disclosure of Invention
In view of the above, the present invention provides a denture and a manufacturing method for manufacturing an additive or a subtractive material thereof, which aims to solve the above problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the removable denture comprises a removable denture body, wherein the removable denture body comprises a gingival base and a denture which are integrally processed and formed;
and the size and the shape of the labial and buccal restoration plate are consistent with those of the gum base, and the labial and buccal restoration plate is fixed on the outer side surface of the gum base.
According to the technical scheme, the removable denture is integrally manufactured and formed, the gum base and the denture are integrated, the problem of false tooth bonding failure or occlusion elevation can be avoided, but the new problem is that the color of the gum base and the false tooth is completely different, so that the aesthetic property of the final restoration is ensured by fixing the lip cheek side restoration plate on the gum base, the teeth and the gum have natural color and curve transition, the aesthetic requirement of clinical restoration of the removable denture is met, meanwhile, the lip cheek side restoration plate does not belong to a tissue surface, the application influence on the false tooth is small, and the advantages of precision and efficiency brought by digitalization and the like can be reserved to the greatest extent.
Preferably, in the removable denture, the height of the gum base is at least 0.5mm lower than the gingival margin curve of the human oral cavity. Can avoid bulge of the gum position on the lip cheek side of the prosthesis and influence the appearance of the removable denture.
Preferably, in the removable denture, the contact surfaces of the gum base and the labial and buccal prosthetic appliance are increased in roughness, or the contact surfaces are designed to be in a convex-concave fit. The adhesive force between the gum foundation and the lip cheek side repairing plate can be increased, the adhesive area is further enlarged, and the removable denture is attractive and durable.
Preferably, in the removable denture, the removable denture and the labial and buccal prosthetic plates are made of different materials and have different coloring effects. The method can provide a more convenient and attractive appearance, can not influence the precision of the main functional area due to operation difference, and can fully exert the advantage of the digitizing effect.
Compared with the prior art, the invention discloses the movable denture, wherein the gum base and the denture are integrally carved, independent bonding of denture and base materials is not needed, the problems of time and labor waste in independent bonding, very small denture bonding area, unstable bonding and occlusion elevation are easily caused, and meanwhile, the lip cheek side repairing plate is fixed on the outer side surface of the gum base, so that the bionic aesthetic requirement of the movable denture can be ensured.
The invention also provides a manufacturing method for adding or subtracting materials to the removable denture, which comprises the following steps:
s1: taking a toothless mouth impression or intraoral scan data of the patient;
s2: designing the shapes of a gum base and a false tooth;
s3: designing a labial cheek-side restoration plate with the same size and gingival margin curve as the gingival base;
s4: respectively processing the removable denture of the upper jaw or the lower jaw and the lip cheek side repairing plate in an additive or subtractive manner;
s5: bonding or pressurizing and solidifying the lip and cheek side repairing plate and the movable false tooth;
s6: and (3) carrying out surface polishing treatment on the restoration.
According to the technical scheme, the manufacturing method of the removable denture additive or the removable denture additive is mainly based on a resin disc or 3D printing manufactured according to the digital removable denture additive, so that the removable denture additive or the removable denture additive manufacturing method is attractive and convenient, has no problems of unstable adhesion or occlusion elevation of a gum base and a denture, can fully utilize the advantages of being rapid, accurate and convenient in digitization, furthest reduces experience and technical requirements of technicians, and saves waiting time of patients and operation time beside chairs of medical staff.
Preferably, in the above method for manufacturing removable denture additive or subtractive method, the step one uses silica gel to obtain the toothless mouth impression or intraoral scan data of the patient. The basic data in the oral cavity of the patient can be conveniently and rapidly obtained.
Preferably, in the above manufacturing method of removable denture additive or subtractive, in the second step, according to the data obtained in the first step, the labial cheek gingival margin line and upper and lower gingival tissue portions are designed by software, and the height of the gingival supporter is designed to be at least 0.5mm lower than the gingival margin line. The bulge of the gum position on the lip cheek side of the final prosthesis can be avoided, and the beauty of the prosthesis is influenced.
Preferably, in the above manufacturing method of removable denture additive or subtractive method, in step three, the thickness of the labial and buccal restoration plate is at least 0.5mm. Based on the integrated removable denture, the lip and cheek side aesthetic module is formed by the lip and cheek side repair plate, so that the requirements of the oral medicine on repairing aesthetic property can be met.
Preferably, in the above manufacturing method of removable denture additive or subtractive method, in step four, the labial and buccal restoration plate is engraved with a polymethyl methacrylate material or a gum color resin plate added with an inorganic filler or 3D printed with a gum resin material.
Preferably, in the above manufacturing method of removable denture additive or subtractive method, in step five, the binder used is self-setting resin.
The technical effects of the scheme are as follows: the lip and cheek side repairing plate can be manufactured by fully utilizing the advantages of rapidness, accuracy and convenience in digitalization, and the manufactured repairing body can meet the aesthetic requirements of human oral cavity.
Compared with the prior art, the invention discloses a manufacturing method for adding or subtracting materials of the removable denture, which plays the advantages of digitalization, the obtained data of the patient can be archived, the duplication of a prosthesis is very convenient, the history record of future visit can be provided for the patient, the requirements on the technique and experience of operators are reduced to the greatest extent, and the waiting time of the patient and the operation time of the doctor at the chair side are saved. And the manufactured final restoration is firm and attractive, and a safer and more effective scheme is provided for lip and cheek restoration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a left side view of a final prosthesis provided by the present invention;
FIG. 2 is a front view of the removable denture according to the present invention;
FIG. 3 is a front view of a cheek-side prosthetic plate provided by the present invention;
FIG. 4 is a rear view of the labial restoration plate provided by the present invention;
FIG. 5 is a flow chart of the final prosthesis provided by the present invention.
Wherein:
1-removable denture; 11-gingival base; 12-denture; 2-labial and buccal prosthetic plates; 3-resin tray.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1 to 4, the embodiment of the invention discloses a removable denture, which comprises a removable denture body 1, wherein the removable denture body 1 comprises a gum base 11 and a denture 12, and the gum base 11 and the denture 12 are integrally prepared and formed on a resin tray 3 by using the same material;
the labial and buccal restoration plate 2, the size and shape of the labial and buccal restoration plate 2 are consistent with those of the gum base 11, and are fixed on the outer side surface of the gum base 11.
In order to further optimize the technical scheme, the roughness of the contact surface between the gum base 11 and the cheek-side repairing plate 2 is increased, or the contact surface of the gum base and the cheek-side repairing plate is designed into a convex-concave embedded type.
In this embodiment, the means for increasing the roughness is to increase the friction between the gum base and the cheek-side restoration plate, and the manner of setting may be to use different materials to increase the friction of the contact surface, or to set grooves on the inner surface of the cheek-side restoration plate and the outer surface of the gum base, or to set the surface in a rugged form.
In order to further optimize the technical scheme, the lip and cheek side repairing plate 2 and the movable false tooth 1 are different in material and different in color effect.
According to the removable denture, the gum base and the denture are integrated, independent adhesion of denture and gum base materials is not needed, the problems that independent adhesion is time-consuming and labor-consuming, the adhesion area of the denture is very small, and the adhesion is unstable and the occlusion is easy to raise are avoided, but the new problem is that the color of the gum base and the color of the denture are completely different, so that the aesthetic property of the final prosthesis is ensured by fixing the lip cheek side restoration plate on the gum base, the teeth and the gum have natural color and curve transition, the requirement of clinical restoration on the aesthetic is met, meanwhile, the application influence on the denture is small because the lip cheek side restoration plate does not belong to a tissue surface, the accuracy of a main functional area is not influenced by operation difference, and the advantages of accuracy and efficiency brought by digitalization can be fully exerted.
Example 2:
referring to fig. 5, an embodiment of the invention discloses a manufacturing method of removable denture additive or subtractive, comprising the following steps:
s1, when a patient is in a doctor, using silica gel to obtain toothless jaw oral cavity impression or intraoral scanning data of the patient;
s2, using gypsum to reproduce a toothless mouth impression of a patient and scanning data, or using intraoral scanning data to import the data into CAD design software, and designing the shapes of a gum base and a false tooth according to the intraoral occlusion relation of a jaw arch and the patient;
s3, designing a retention groove on the labial and buccal sides of the gum base, reserving the thickness of a labial and buccal side restoration plate, copying the labial and buccal side form of the gum base, and setting the labial and buccal side restoration plate with the same size and gingival margin curve;
s4, carrying out processing pretreatment on data in software, selecting a 3D printing or resin disc cutting mode for CAM processing, selecting proper product specification and color number according to aesthetic requirements, and respectively processing the movable denture body of the upper jaw or the lower jaw and the lip cheek side repairing plate;
s5, using ultraviolet setting resin as an adhesive to bond the lip cheek side repairing plate and a matched upper jaw or lower jaw gum base together, or adopting a dental injection molding system to carry out pressure curing at 55-65 ℃;
s6, carrying out surface polishing treatment on the final restoration.
In order to further optimize the technical scheme, two groups of STL data can be obtained through the step 3, wherein the STL data are respectively integrated data of the dentition of the upper jaw or the lower jaw and the gingival base and are matched with the repairing plate of the labial side form of the gingival base of the upper jaw or the lower jaw.
In order to further optimize the technical scheme, in the step 4, when the lip and cheek side repairing plate is manufactured, a resin disc made of polymethyl methacrylate material with red bionic fibers is used for manufacturing.
The invention provides a manufacturing method for adding or subtracting materials to a removable denture, which mainly comprises the steps of engraving a gum base and the denture integrally according to the digitally manufactured integral removable denture, solving the problem that the gum base and the denture are not firmly adhered or are engaged and lifted, and simultaneously, additionally arranging a lip and cheek side repairing plate to meet the requirements of repairing aesthetic property of stomatology. Meanwhile, the advantages of rapidness, accuracy and convenience in digitalization can be fully utilized, the experience and technical requirements on technicians are reduced to the greatest extent, and the waiting time of patients and the chair side operation time of medical staff are saved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A removable denture, comprising:
the removable denture comprises a removable denture body (1), wherein the removable denture body (1) comprises a gingival base (11) and a denture (12) which are integrally formed;
and the size and the shape of the labial and buccal side restoration plate (2) are consistent with those of the gum base (11), and the labial and buccal side restoration plate (2) is fixed on the outer side surface of the gum base (11).
2. A removable denture according to claim 1, wherein the contact surfaces of the gum base (11) and the labial and buccal prosthetic appliance (2) are roughened or designed to be in a convex-concave fit.
3. The removable denture according to claim 1, wherein the labial and buccal prosthetic appliance (2) is made of a different material and has a different color effect than the removable denture body (1).
4. A method of manufacturing an additive or subtractive material for a removable denture according to claim 1, comprising the steps of:
s1: taking a toothless mouth impression or intraoral scan data of the patient;
s2: designing the shapes of a gum base and a false tooth;
s3: designing a labial cheek-side restoration plate with the same size and gingival margin curve as the gingival base;
s4: respectively processing the removable denture of the upper jaw or the lower jaw and the lip cheek side repairing plate in an additive or subtractive manner;
s5: bonding or pressurizing and solidifying the lip and cheek side repairing plate and the movable false tooth;
s6: and (3) carrying out surface polishing treatment on the restoration.
5. The method according to claim 4, wherein in the first step, the impression of the mouth of the patient or the intraoral scan data of the mouth of the patient is obtained using silicone rubber.
6. The method according to claim 4, wherein in the second step, a lip-cheek gingival margin line and upper and lower gingival tissue portions are designed by software, and the height of the gum base is reduced by at least 0.5mm from the gingival margin line.
7. The method according to claim 4, wherein in the third step, the thickness of the lip-cheek-side prosthetic plate is at least 0.5mm.
8. The method according to claim 4, wherein in the fourth step, the cheek-side repairing plate is 3D-printed using a resin plate for engraving or using a gum resin material.
9. The method for producing an additive or subtractive material for a removable denture according to claim 8, wherein the resin disk is a polymethyl methacrylate material or a gum color resin disk with an inorganic filler added thereto.
10. The method according to claim 4, wherein in the fifth step, when the lip-cheek-side prosthetic plate and the removable denture are bonded, the adhesive is self-setting resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310434281.0A CN116473705A (en) | 2023-04-18 | 2023-04-18 | Removable denture and manufacturing method for adding materials or subtracting materials of removable denture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310434281.0A CN116473705A (en) | 2023-04-18 | 2023-04-18 | Removable denture and manufacturing method for adding materials or subtracting materials of removable denture |
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| CN116473705A true CN116473705A (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310434281.0A Pending CN116473705A (en) | 2023-04-18 | 2023-04-18 | Removable denture and manufacturing method for adding materials or subtracting materials of removable denture |
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| CN (1) | CN116473705A (en) |
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| US20190105134A1 (en) * | 2017-10-07 | 2019-04-11 | Henry Schein, Inc. | Denture fabrication |
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| CN112972032A (en) * | 2021-02-05 | 2021-06-18 | 星火万方齿科技术(北京)有限公司 | Digital production system for false teeth |
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Patent Citations (7)
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|---|---|---|---|---|
| CN105411706A (en) * | 2014-09-22 | 2016-03-23 | 北京大学口腔医学院 | Multi-color-resin denture dentition and base-support split numerical control processing and splicing forming method |
| CN105581849A (en) * | 2014-10-23 | 2016-05-18 | 北京大学口腔医学院 | An integrated rapid prototyping method for a multicolor resin denture restoration |
| CN105852998A (en) * | 2016-05-12 | 2016-08-17 | 中国人民解放军第四军医大学 | Automatic CAD/CAM/3D processing method of dental prostheses |
| US20190105134A1 (en) * | 2017-10-07 | 2019-04-11 | Henry Schein, Inc. | Denture fabrication |
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