CN117731433A - Titanium-based full-mouth or half-mouth denture and digital manufacturing method thereof - Google Patents
Titanium-based full-mouth or half-mouth denture and digital manufacturing method thereof Download PDFInfo
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- CN117731433A CN117731433A CN202311825143.1A CN202311825143A CN117731433A CN 117731433 A CN117731433 A CN 117731433A CN 202311825143 A CN202311825143 A CN 202311825143A CN 117731433 A CN117731433 A CN 117731433A
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000010936 titanium Substances 0.000 title claims abstract description 77
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 43
- 229920005989 resin Polymers 0.000 claims abstract description 43
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 36
- 210000001909 alveolar process Anatomy 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000011049 filling Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 4
- 210000004513 dentition Anatomy 0.000 description 3
- 230000036346 tooth eruption Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003829 resin cement Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dental Prosthetics (AREA)
Abstract
The invention belongs to the technical field of denture manufacturing, and relates to a titanium-based complete or half denture and a digital manufacturing method thereof. The traditional complex steps of manually sculpturing resin-based wax supporting, arranging artificial teeth, embedding wax, losing wax, filling resin, polishing and the like are completely omitted; the columnar bulge and hole structures assembled by the base connector and the artificial tooth-base complex are designed, and accurate assembly of the base connector and the artificial tooth-base complex is realized.
Description
Technical Field
The invention belongs to the technical field of denture manufacturing, and particularly relates to a titanium-based full-mouth or half-mouth denture and a digital manufacturing method thereof.
Background
The complete denture (half denture) is commonly called a complete denture (half denture), the denture for repairing the complete missing of the upper and lower natural teeth in the mouth (see fig. 1) is called a complete denture (see fig. 2-4), the denture for repairing the complete missing of the upper natural teeth in the mouth is called a complete denture (see fig. 5 and 6), the denture for repairing the complete missing of the lower natural teeth in the mouth is called a half denture (see fig. 7 and 9), and the two are called a half denture. Although implant dentures are currently used to repair missing teeth. However, most of patients with complete mouth (half mouth) tooth deficiency are middle-aged and elderly people, and are limited by age, psychological and physical health states, bone quality and quantity of remained tooth grooves, economy and other factors, so that a large number of patients still need complete mouth (half mouth) denture repair, and particularly the elderly people, and the requirements on complete mouth (half mouth) denture are wider.
Because of the good biocompatibility of titanium, light texture and good strength, the titanium is often used for manufacturing partial base structures of full-mouth (half-mouth) false teeth and is embedded with pink resin base through different forms of net structures (base connectors). The space between the base connector and the alveolar ridge (commonly known as the gum) is about 1mm to ensure that the pink base resin and the metal mesh are fitted together in a "sandwich" configuration (see fig. 6 and 8). The red resin base bracket wraps the neck of the artificial teeth, and all the artificial teeth (generally 12-14 artificial teeth) which are arranged according to a certain rule are fixed in the pink resin base bracket. Therefore, a titanium-based full-mouth or half-mouth denture is formed by mutually embedding a titanium-based base, a base connector, a pink resin-based base and artificial teeth (see fig. 5-8).
In recent years, the rapid development of digital technology has led to its wide application in the field of stomatology. However, in the field of complete (half) denture production, at present, a titanium base and a base connector thereof for complete (half) denture are mainly produced by three-dimensional printing. Then the complete denture can be manufactured by the complicated steps of resin-based wax supporting, artificial tooth arrangement, wax embedding, wax losing, resin filling, grinding and polishing and the like through the traditional method (see figure 9). A great deal of manpower and material resources are consumed, and the manufacturing period is long. And because each step of deformation, expansion deformation of embedding materials, solidification shrinkage deformation of filling resin, polishing and the like of the wax model caused by temperature change can have human operation errors, the manufacturing precision of the full-mouth (half-mouth) denture can not be satisfied, so that the problems that the full-mouth (half-mouth) denture is easy to fall off, easy to cause tenderness and the like can be heard by patients, and the problems can be solved only by repeated trimming and lining.
The requirements of the patient group on the complete denture (half denture) and the defects and shortcomings existing in the prior art are combined, and the development of the digitizing technology is combined, so that a digitizing method which can save manpower and material resources, simplify the manufacturing process, reduce discomfort of the patient, improve the denture manufacturing precision and avoid the conventional manufacturing process is urgently needed to be innovated, and the current embarrassment is solved.
Disclosure of Invention
The invention aims to provide a titanium-based complete or half denture and a digital manufacturing method thereof, which solve the problems that the existing manufacturing method is complex, the denture is easy to fall off, and the pressure pain is easy to occur.
The invention is realized by the following technical scheme:
the invention discloses a digital manufacturing method of a titanium-based complete denture or half denture, which comprises the following steps:
s1, acquiring an alveolar ridge three-dimensional model, designing a titanium base model based on the alveolar ridge three-dimensional model, and designing a base connector model on the titanium base model;
the base connector model is provided with a plurality of base connector models, and comprises a plate-shaped structure and columnar bulges vertically connected with the plate-shaped structure; the platy structure is connected with the titanium base into a whole;
s2, designing a three-dimensional model of the artificial tooth and a three-dimensional model of the resin base, and fitting the three-dimensional model of the artificial tooth and the three-dimensional model of the resin base into an artificial tooth-base complex model;
the artificial tooth-base composite model is provided with a groove corresponding to the platy structure and a hole corresponding to the columnar bulge;
s3, digitally manufacturing an artificial tooth-base composite body, a titanium base and a base connector;
s4, placing cement into the cavity of the artificial tooth-base composite body, and utilizing columnar bulges on the base connector and the cavity on the resin base to realize the assembly of the titanium base and the artificial tooth-base composite body;
s5, after post treatment, the titanium-based complete denture or half denture is manufactured.
Further, in S1, the alveolar ridge three-dimensional model is obtained using scanning software.
Further, in S2, a base connector extends from the titanium base for mating with the alveolar ridge.
In the step S2, grooves corresponding to the plate-shaped structures and holes corresponding to the columnar bulges are designed on the artificial tooth-base composite model; the method comprises the following steps:
the back of the artificial tooth-base support complex is designed into a groove structure at the plate-shaped structure corresponding to the base support connector and is used for being embedded with the plate-shaped structure;
the artificial tooth-base composite body is designed with a matched hole corresponding to the columnar bulge structure of the base connector;
the back of the artificial tooth-base complex is completely attached to the surface of the three-dimensional model of the alveolar ridge corresponding to the area of the alveolar ridge except for the base connection.
Further, between S2 and S3, a control hole for positioning between the artificial tooth-base composite and the titanium base is designed, specifically:
after the artificial tooth-base composite body is completely matched with the titanium base and the base connector of the titanium base, an inner transverse through hole and an outer transverse through hole are designed between the columnar bulge and the artificial tooth-base composite body:
designing a hole, called a hole a, on each columnar protrusion;
designing a through hole, called a hole b, on the artificial tooth-base composite body corresponding to the hole on the columnar bulge;
when the artificial tooth-base composite body is completely matched with the titanium base and the base connector, the hole a and the hole b become completely through holes.
Further, after the assembly is completed in S4, metal rods are inserted into the holes a and b until the cement is completely cured;
the metal rod is then removed to close the holes a and b with resin.
Further, the post-treatment in S5 is sanding polishing.
Further, in the rapid prototyping, the material of the base connector is the same as that of the titanium base.
The invention also discloses a titanium-based complete denture or half denture, which comprises a titanium-based, a base connector and an artificial tooth-base complex;
the base connector is provided with a plurality of base connectors, and each base connector comprises a plate-shaped structure and columnar bulges vertically connected with the plate-shaped structure; the platy structure is connected with the titanium base into a whole;
the artificial tooth-base support complex comprises an artificial tooth and a resin base support which are connected into a whole, wherein the resin base support is provided with a groove corresponding to the platy structure and a hole corresponding to the columnar bulge; the plate-like structure is embedded in the groove, and the columnar protrusion is embedded in the cavity.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a digital manufacturing method of a titanium-based complete denture or semi-complete denture, which is based on an alveolar ridge three-dimensional model, designs a titanium-based denture and a denture connector model thereof, designs an artificial tooth-denture composite model, digitally manufactures an artificial tooth-denture composite, a titanium-based denture and a denture connector thereof, and completes the complete denture (semi-complete denture) manufacturing through assembly. The artificial teeth-base support complex is designed by completely adopting a digital technology without depending on manual carving of resin-base support wax type and arrangement of artificial teeth by a dental technician, and an entity is manufactured by a rapid molding technology; the artificial dentition and the resin base support are integrally designed and quickly molded, the artificial dentition and the resin base support are not required to be manufactured respectively by adopting a digital technology, the manufactured artificial dentition and the resin base support are not required to be bonded again, and errors in the bonding process are avoided; the invention can be completed by simply matching and assembling the assembled titanium base and the artificial tooth-resin base which are manufactured by a digital technology without the operations of embedding, losing wax, filling resin, adding boiling water, curing and the like of the artificial tooth and the resin base wax by the traditional method and steps; adopts mortise type structure principle, designs columnar bulge and hole structure assembled by the base connector and the artificial tooth-base complex, and realizes accurate assembly of the two.
The complex steps of traditional method of sculpturing resin matrix, arranging artificial teeth, embedding wax, losing wax, filling resin, polishing and the like are completely omitted in the whole denture or half denture manufacturing process, and the whole denture or half denture is manufactured completely based on the digital technology, and only in the final assembly stage, few manual operations are needed. Due to the application of the digitizing technology, errors of manual operation in each step link and deformation errors of materials such as resin curing and the like are avoided, and the manufacturing precision of the full-mouth or half-mouth denture can be ensured.
Furthermore, the invention adopts the bolt structure principle, the columnar bulge of the base connector and the artificial tooth-base composite body are designed with through holes, and the metal rod insertion method is utilized to limit the offset and dislocation between the titanium base and the artificial tooth-base composite body during the assembly, thereby ensuring the accurate assembly of the titanium base and the artificial tooth-base composite body.
Drawings
FIG. 1 is a picture of a patient with total missing upper and lower natural teeth;
FIG. 2 is a photograph of an upper and lower complete denture for repairing the total missing of the upper and lower natural teeth;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a picture of the inside of a complete denture wearing portal;
FIG. 5 is a front view of a maxillary semi-denture for repairing the total loss of the natural teeth of the upper jaw;
FIG. 6 is a rear view of a maxillary semi-denture for repairing the total missing of the natural teeth of the upper jaw;
FIG. 7 is a front view of a mandibular hemi-denture for repairing total missing mandibular natural teeth;
FIG. 8 is a rear view of a mandibular hemi-denture for repairing total missing mandibular natural teeth;
FIG. 9 is a flow chart showing key steps in a conventional method for manufacturing a full or half denture;
FIG. 10 is a schematic view of a three-dimensional model of a designed titanium base and base connector;
FIG. 11 is a schematic front view of an artificial tooth-base complex digitization model;
FIG. 12 is a schematic back view of a digital model of an artificial tooth-base complex;
FIG. 13 is a cross-sectional view of an artificial tooth-base complex mated with a titanium base and its base connector;
FIG. 14 is a front view of an artificial tooth-base complex mated with a titanium base and its base connector;
FIG. 15 is a rear view of an artificial tooth-base complex mated with a titanium base and its base connector;
FIG. 16 is a schematic view of a control hole in place between a designed artificial tooth-base complex and a titanium base;
FIG. 17 is a digitally fabricated artificial tooth-base complex; fig. a is a front view, and fig. b is a back view;
FIG. 18 is a digitally fabricated titanium base and base connector thereof;
FIG. 19 is an assembly of an artificial tooth-base complex with a titanium base;
FIG. 20 is a schematic view of a metal rod inserted into a control hole in place;
FIG. 21 is a diagram showing a finished maxillary semi-denture; fig. a is a front view, and fig. b is a back view.
Detailed Description
The objects, technical solutions and advantages of the present invention will be more apparent from the following detailed description with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention.
The components illustrated in the figures and described and shown in the embodiments of the invention may be arranged and designed in a wide variety of different configurations, and thus the detailed description of the embodiments of the invention provided in the figures below is not intended to limit the scope of the invention as claimed, but is merely representative of selected ones of the embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention, based on the figures and embodiments of the present invention.
It should be noted that: the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, element, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, element, method, article, or apparatus.
The features and properties of the present invention are described in further detail below with reference to examples.
The invention discloses a digital manufacturing method of a titanium-based complete denture or half denture, which specifically comprises the following steps:
1. novel base support connector
Firstly, acquiring an alveolar ridge (commonly known as an gum) three-dimensional model, and conventionally designing a titanium base based on the alveolar ridge three-dimensional model; as shown in fig. 10, the base connector is designed to closely conform to the alveolar ridge with a completely new structure of columnar projections, which is quite different from the conventional grid-like base connector 1mm away from the alveolar ridge.
The base connector comprises a plate-shaped structure and a columnar protruding structure vertically connected with the plate-shaped structure and is used for matching with the artificial teeth and the base complex in the later period.
2. Digitally designed artificial tooth-base complex
Designing a three-dimensional model of the artificial tooth, a three-dimensional model of a resin base support for connecting the artificial tooth and the metal support together, and fitting the three-dimensional model of the artificial tooth and the resin base support into a digital model to obtain the artificial tooth-base support complex shown in fig. 11.
As shown in fig. 12, at the plate-like structure corresponding to the base connector, the back surface of the artificial tooth-base composite body is designed as a groove structure, which can be just embedded with the plate-like structure.
As shown in fig. 12 and 13, corresponding to the columnar protruding structure of the base connector, the artificial tooth-base composite is designed with a hole matched with the columnar protruding structure, and is similar to a' mortise structure; after the cavity is fully mated with the columnar bump structure, the artificial tooth-base composite can be fully assembled on the titanium base as shown in fig. 13-15.
As shown in fig. 13, the back of the artificial tooth-base complex is completely fitted to the surface of the alveolar ridge model corresponding to the area of the alveolar ridge except for the base connection.
As shown in fig. 13, the columnar projections of the artificial tooth-base composite and the base connector are in a jogged structure, and the resin base is tightly attached to the alveolar ridge except for the areas outside the base connector.
3. Designing a control hole for positioning between an artificial tooth-base composite and a titanium base
As shown in fig. 16, after the artificial tooth-base complex is completely matched with the titanium base and the base connector thereof, inner and outer transverse through holes are designed between the columnar projections and the artificial tooth-base complex:
corresponding to one hole on each columnar protrusion, which is called a hole a; the artificial tooth-base complex is also designed with a through hole corresponding to the hole on the columnar protrusion, which is called a hole b. When the artificial tooth-base composite body is completely matched with the titanium base and the base connector thereof, the hole a and the hole b become a completely through hole.
4. Digitally manufactured artificial tooth-base composite, titanium base and base connector thereof
The composite of the artificial teeth made of resin and the resin base shown in fig. 17a and 17b, the titanium base made of titanium alloy shown in fig. 18 and the base connector thereof are manufactured by a digital rapid prototyping technology.
5. Assembly of artificial tooth-base support complex and titanium base support
Mixing a proper amount of resin cement, placing the cement into the cavity of the artificial tooth-base composite, and precisely assembling the titanium base and the artificial tooth-base composite by utilizing columnar bulges on the base connector and the cavity structure on the resin base to obtain an assembly shown in figure 19;
as shown in fig. 20, and metal rods are inserted into the holes a and b until the cement is completely cured. To ensure that no positional change occurs between the artificial tooth-base complex and the titanium base during the cement curing process, but the artificial tooth-base complex is firmly engaged with the titanium base, thereby ensuring the processing accuracy of the final denture.
Then, the metal bar was taken out, the holes a and b were closed with a resin, and ground and polished to complete the complete (half) denture shown in fig. 21a and 21 b.
As shown in fig. 13 and 20, the full or half denture with titanium base manufactured by the present invention comprises a titanium base, a base connector and an artificial tooth-base complex;
the base connector is provided with a plurality of base connectors, and each base connector comprises a plate-shaped structure and columnar bulges vertically connected with the plate-shaped structure; the platy structure is connected with the titanium base into a whole;
the artificial tooth-base support complex comprises an artificial tooth and a resin base support which are connected into a whole, wherein the resin base support is provided with a groove corresponding to the platy structure and a hole corresponding to the columnar bulge; the plate-like structure is embedded in the groove, and the columnar protrusion is embedded in the cavity.
As can be seen from the description of the specific scheme, the complicated steps of resin matrix wax supporting, artificial tooth arrangement, wax embedding, wax losing, resin filling, polishing and the like in the traditional method are completely omitted in the whole denture or half denture manufacturing process, the whole denture or half denture is manufactured completely based on the digital technology, and only in the final assembly stage, very little manual operation is required. Due to the application of the digitizing technology, errors of manual operation in each step link and deformation errors of materials such as resin curing and the like are avoided, and the manufacturing precision of the full-mouth or half-mouth denture can be ensured.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (9)
1. The digital manufacturing method of the titanium-based full-mouth or half-mouth denture is characterized by comprising the following steps of:
s1, acquiring an alveolar ridge three-dimensional model, designing a titanium base model based on the alveolar ridge three-dimensional model, and designing a base connector model on the titanium base model;
the base connector model is provided with a plurality of base connector models, and comprises a plate-shaped structure and columnar bulges vertically connected with the plate-shaped structure; the platy structure is connected with the titanium base into a whole;
s2, designing a three-dimensional model of the artificial tooth and a three-dimensional model of the resin base, and fitting the three-dimensional model of the artificial tooth and the three-dimensional model of the resin base into an artificial tooth-base complex model;
the artificial tooth-base composite model is provided with a groove corresponding to the platy structure and a hole corresponding to the columnar bulge;
s3, digitally manufacturing an artificial tooth-base composite body, a titanium base and a base connector;
s4, placing cement into the cavity of the artificial tooth-base composite body, and utilizing columnar bulges on the base connector and the cavity on the resin base to realize the assembly of the titanium base and the artificial tooth-base composite body;
s5, after post treatment, the titanium-based complete denture or half denture is manufactured.
2. The method for digitally producing a titanium-based complete or semi-complete denture according to claim 1, wherein in S1, the alveolar ridge three-dimensional model is obtained by using scanning software.
3. The method for digitally fabricating a complete or partial denture with a titanium base according to claim 1, wherein the base connector is extended from the titanium base for mating with the alveolar ridge in S2.
4. The method for digitally fabricating a titanium-based complete or semi-complete denture according to claim 1, wherein in S2, a recess corresponding to a plate-like structure and a cavity corresponding to a columnar protrusion are designed on the artificial tooth-base composite model; the method comprises the following steps:
the back of the artificial tooth-base support complex is designed into a groove structure at the plate-shaped structure corresponding to the base support connector and is used for being embedded with the plate-shaped structure;
the artificial tooth-base composite body is designed with a matched hole corresponding to the columnar bulge structure of the base connector;
the back of the artificial tooth-base complex is completely attached to the surface of the three-dimensional model of the alveolar ridge corresponding to the area of the alveolar ridge except for the base connection.
5. The method for digitally manufacturing a full or half denture of a titanium base according to claim 1, wherein between S2 and S3, a positioning control hole between the artificial tooth-base complex and the titanium base is designed, specifically:
after the artificial tooth-base composite body is completely matched with the titanium base and the base connector of the titanium base, an inner transverse through hole and an outer transverse through hole are designed between the columnar bulge and the artificial tooth-base composite body:
designing a hole, called a hole a, on each columnar protrusion;
designing a through hole, called a hole b, on the artificial tooth-base composite body corresponding to the hole on the columnar bulge;
when the artificial tooth-base composite body is completely matched with the titanium base and the base connector, the hole a and the hole b become completely through holes.
6. The digital manufacturing method of the titanium-based complete or semi-complete denture according to claim 5, wherein after the assembly is completed in the step S4, metal rods are inserted into the holes a and b until the cement is completely cured;
the metal rod is then removed to close the holes a and b with resin.
7. The method for digitally producing a titanium-based complete or partial denture according to claim 1, wherein the post-treatment in S5 is grinding and polishing.
8. The method for digitally producing a full or half denture with a titanium base according to claim 1, wherein the base connector is made of the same material as the titanium base during rapid prototyping.
9. A titanium-based full-mouth or half-mouth denture, which is characterized by comprising a titanium-based, a base connector and an artificial tooth-base complex;
the base connector is provided with a plurality of base connectors, and each base connector comprises a plate-shaped structure and columnar bulges vertically connected with the plate-shaped structure; the platy structure is connected with the titanium base into a whole;
the artificial tooth-base support complex comprises an artificial tooth and a resin base support which are connected into a whole, wherein the resin base support is provided with a groove corresponding to the platy structure and a hole corresponding to the columnar bulge; the plate-like structure is embedded in the groove, and the columnar protrusion is embedded in the cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825143.1A CN117731433A (en) | 2023-12-27 | 2023-12-27 | Titanium-based full-mouth or half-mouth denture and digital manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825143.1A CN117731433A (en) | 2023-12-27 | 2023-12-27 | Titanium-based full-mouth or half-mouth denture and digital manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN117731433A true CN117731433A (en) | 2024-03-22 |
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| CN202311825143.1A Pending CN117731433A (en) | 2023-12-27 | 2023-12-27 | Titanium-based full-mouth or half-mouth denture and digital manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN117731433A (en) |
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- 2023-12-27 CN CN202311825143.1A patent/CN117731433A/en active Pending
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