Full-digital movable support false tooth device and manufacturing method thereof

Abstract

The invention discloses a full-digitalization movable support denture device and a manufacturing method thereof, the full-digitalization movable support denture device comprises a metal support, a base plate and a denture fixed on the base plate, the metal support is provided with a positioning bulge, the base plate is provided with a positioning groove matched with the positioning bulge, and the denture is arranged in the positioning groove. The metal support and the base plate are connected into a whole in a bonding mode. According to the invention, the injection molding process flow of the base plate in the traditional movable support denture device manufacturing process is canceled, the combination position between the base plate and the metal support is determined through the matching of the positioning bulge and the positioning groove, and the base plate and the metal support are fixed into a whole in a bonding manner, so that the manufacturing time of the movable support denture device is greatly shortened, and the production efficiency is improved. And the production efficiency can be greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of oral technology, and in particular to a movable bracket denture and a manufacturing method thereof. Background Art

[0002] Removable denture is a kind of restoration for missing teeth that patients can wear and remove by themselves. Removable denture consists of metal bracket, denture and base. The existing method of making removable denture is as follows:

[0003] First, an oral impression is obtained by taking a mold from the mouth, and then a metal bracket and denture are made based on the oral impression. The metal bracket and denture are then installed in an injection mold, and a base material (usually a resin material) is injected into the mold. After the base material is cured, a base connecting the metal bracket and the denture is formed.

[0004] In existing removable bracket dentures, there is no structure for retaining each other between the metal bracket and the base. Therefore, the base made by 3D printing or CNC cutting cannot be directly installed on the metal bracket, resulting in the base connecting the metal bracket and the denture only being formed by mold injection molding, which makes the production time of removable bracket dentures longer; and the resin base formed by injection molding may have technical defects such as bubbles, shrinkage and deformation. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a fully digital removable frame denture device and a manufacturing method thereof, so as to solve the technical problem of long manufacturing time of existing removable frame dentures, and to avoid technical problems such as bubbles and shrinkage deformation that may occur in the resin base.

[0006] The fully digital movable bracket denture device of the present invention comprises a metal bracket, a base and a denture fixed on the base, the metal bracket is provided with a positioning protrusion, the base is provided with a positioning groove matching with the positioning protrusion, and the metal bracket and the base are connected into one by bonding.

[0007] Furthermore, the positioning protrusion is a triangular block, and a reinforcing structure for enhancing the bonding strength is arranged on the triangular block, and the reinforcing structure is at least one of a groove, a circular hole and a transverse protrusion.

[0008] Furthermore, the triangular block is arranged at a position on the metal bracket corresponding to the denture, and the high end of the triangular block corresponds to the cusp of the denture, and the low end of the triangular block corresponds to the socket of the denture.

[0009] Furthermore, the base is a 3D printed base formed by 3D printing, or the base is a cutting base formed by cutting.

[0010] The present invention also discloses a method for manufacturing the above-mentioned fully digital movable bracket denture device, comprising:

[0011] 1) Obtain oral digital model through 3D scanning;

[0012] 2) designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion;

[0013] 3) Design a digital model of dentures based on the oral digital model;

[0014] 4) designing a digital model of the base according to the digital model of the oral cavity, wherein the digital model of the base has a positioning groove that matches the positioning protrusion on the digital model of the metal bracket;

[0015] 5) Produce a metal bracket by 3D printing according to the digital model of the metal bracket, produce a denture by CNC cutting according to the digital model of the denture, and produce a cutting base by CNC cutting according to the digital model of the base;

[0016] 6) Bond the denture to the cutting base;

[0017] 7) Bond the cutting base to the metal bracket.

[0018] The present invention also discloses another method for manufacturing the above-mentioned fully digital movable bracket denture device, comprising:

[0019] 1) Obtain oral digital model through 3D scanning;

[0020] 2) designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion;

[0021] 3) designing a digital model of a denture and a base combination according to the digital model of the oral cavity, wherein the digital model of the denture and the base combination has a positioning groove that matches the positioning protrusion on the digital model of the metal bracket;

[0022] 4) Produce a metal bracket by 3D printing according to the digital model of the metal bracket, and print a combination of the denture and the base by 3D printing according to the digital model of the combination of the denture and the base;

[0023] 5) Glue the denture and base assembly onto the metal bracket.

[0024] Furthermore, the positioning protrusion is a triangular block, and the positioning groove is a triangular groove that matches the triangular block.

[0025] Beneficial effects of the present invention:

[0026] 1. The fully digital movable bracket denture device and its manufacturing method of the present invention eliminate the injection molding process of the base in the traditional movable bracket denture device manufacturing process. The base and the metal bracket are matched by positioning protrusions and positioning grooves to determine the combined position, and are fixed into one by bonding, which greatly shortens the manufacturing time of the movable bracket denture device and greatly improves the production efficiency.

[0027] 2. The fully digital movable bracket denture device and its manufacturing method of the present invention use a 3D printed base to completely avoid the technical problem of bubbles appearing in the injection molded base; use a CNC cutting base to completely avoid the technical problem of shrinkage and deformation of the injection molded base. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A top view of the metal bracket.

[0029] Figure 2 A three-dimensional view of a metal bracket.

[0030] Figure 3 A three-dimensional view of an implementation structure of a triangular block.

[0031] Figure 4 A three-dimensional view of another implementation structure of a triangular block.

[0032] Figure 5 A top view of the denture base assembly.

[0033] Figure 6 This is a bottom view of the denture base assembly.

[0034] Figure 7 This is a top view of the removable denture appliance worn on the oral model. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] Embodiment 1: In this embodiment, the fully digital movable bracket denture device includes a metal bracket 1, a base 2 and a denture 3 fixed on the base, the metal bracket is provided with a positioning protrusion 4, the base is provided with a positioning groove 5 matched with the positioning protrusion, and the metal bracket and the base are connected into one by bonding. In this embodiment, the base is a cutting base formed by cutting, the positioning protrusion is a triangular block, and the positioning groove is a triangular groove matching the shape of the triangular block.

[0037] As an improvement to the above embodiment, the triangular block is provided with a reinforcing structure for enhancing the bonding strength, and the reinforcing structure is at least one of the grooves 6, the circular holes 7 and the transverse protrusions 8. Figure 3As shown, the reinforcing structure on the triangular block is grooves 6 and circular holes 7. Figure 4 The reinforcement structure on the triangular block shown is a transverse protrusion 8, which may be in a circular shape, a rectangular parallelepiped shape, or the like.

[0038] The triangular block is provided with grooves 6 and circular holes 7 for enhancing the bonding strength. Of course, in the specific implementation, only one of the grooves 6 and circular holes 7 can be provided on the triangular block according to the situation. The adhesive is applied to the metal bracket and the base, and then the base is assembled on the metal bracket. The adhesive will react chemically with the base material. After the adhesive is cured, the adhesive will form a whole with the base material. There is no chemical reaction between the adhesive and the metal bracket, but the adhesive is embedded in the grooves 6 and the circular holes 7 after curing to form a firm connection structure, thereby ensuring the reliability of the connection between the base and the metal bracket.

[0039] As an improvement to the above-mentioned embodiment, the triangular block is arranged on the metal bracket at a position corresponding to the denture, and the high end of the triangular block corresponds to the cusp of the denture, and the low end of the triangular block corresponds to the socket of the denture; the shape of the triangular block fits the height shape of the cusp and socket of the denture, reasonably utilizes the space under the denture, can effectively increase the surface area of ​​the positioning protrusion 4, and thus can improve the bonding strength between the metal bracket and the base.

[0040] The manufacturing method of the fully digital movable bracket denture device in the above embodiment includes:

[0041] 1) Obtain oral digital model through 3D scanning.

[0042] 2) Designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion; the positioning protrusion is a triangular block.

[0043] 3) Design a digital model of the denture based on the digital model of the oral cavity.

[0044] 4) A digital model of the base is designed according to the digital model of the oral cavity, wherein the digital model of the base has a positioning groove that matches the positioning protrusion on the digital model of the metal bracket; the positioning groove is a triangular groove that matches the triangular block.

[0045] 5) A metal bracket is manufactured by 3D printing according to the digital model of the metal bracket, a denture is manufactured by CNC cutting according to the digital model of the denture, and a cutting base is manufactured by CNC cutting according to the digital model of the base.

[0046] 6) Bond the denture to the cut base.

[0047] 7) Bond the cutting base to the metal bracket.

[0048] Embodiment 2: In this embodiment, the fully digital movable bracket denture device includes a metal bracket 1, a base 2 and a denture 3 fixed on the base, the metal bracket is provided with a positioning protrusion 4, the base is provided with a positioning groove 5 matched with the positioning protrusion, and the metal bracket and the base are connected as a whole by bonding. In this embodiment, the base is a 3D printed base formed by 3D printing, and the denture 3 is integrally formed on the 3D printed base by 3D printing. The positioning protrusion is a triangular block, and the positioning groove is a triangular groove matching the shape of the triangular block.

[0049] As an improvement to the above embodiment, the triangular block is provided with grooves 6 and circular holes 7 for enhancing the bonding strength. Of course, in the specific implementation, only one of the grooves 6 and circular holes 7 may be provided on the triangular block according to the situation. The adhesive is applied to the metal bracket and the base, and then the base is assembled on the metal bracket. The adhesive will react chemically with the base material. After the adhesive is cured, the adhesive will form a whole with the base material. There is no chemical reaction between the adhesive and the metal bracket, but after the adhesive is cured, it is embedded in the grooves 6 and the circular holes 7 to form a firm connection structure, thereby ensuring the reliability of the connection between the base and the metal bracket.

[0050] As an improvement to the above-mentioned embodiment, the triangular block is arranged on the metal bracket at a position corresponding to the denture, and the high end of the triangular block corresponds to the cusp of the denture, and the low end of the triangular block corresponds to the socket of the denture; the shape of the triangular block fits the height shape of the cusp and socket of the denture, reasonably utilizes the space under the denture, can effectively increase the surface area of ​​the positioning protrusion 4, and thus can improve the bonding strength between the metal bracket and the base.

[0051] The manufacturing method of the above-mentioned fully digital movable bracket denture device comprises:

[0052] 1) Obtain oral digital model through 3D scanning.

[0053] 2) Designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion; the positioning protrusion is a triangular block.

[0054] 3) A digital model of the denture and base combination is designed based on the oral digital model, wherein the digital model of the denture and base combination has a positioning groove that matches the positioning protrusion on the metal bracket digital model; the positioning groove is a triangular groove that matches the triangular block.

[0055] 4) A metal bracket is manufactured by 3D printing according to the digital model of the metal bracket, and a combination of the denture and the base is manufactured by 3D printing according to the digital model of the combination of the denture and the base.

[0056] 5) Glue the denture and base assembly onto the metal bracket.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A fully digital removable bracket denture device, including a metal bracket, characterized in that: It also includes a base and a denture fixed on the base. The metal bracket is provided with a positioning protrusion, and the base is provided with a positioning groove matched with the positioning protrusion. The metal bracket and the base are connected into one by bonding.

2. The fully digital movable bracket denture device according to claim 1, characterized in that: The positioning protrusion is a triangular block, and a reinforcing structure for enhancing the bonding strength is arranged on the triangular block. The reinforcing structure is at least one of a groove, a circular hole and a transverse protrusion.

3. The fully digital movable bracket denture device according to claim 2, characterized in that: The triangular block is arranged at a position on the metal bracket corresponding to the denture, and the high end of the triangular block corresponds to the cusp of the denture, and the low end of the triangular block corresponds to the socket of the denture.

4. The fully digital movable bracket denture device according to claim 1, characterized in that: The base is a 3D printing base formed by 3D printing, or the base is a cutting base formed by cutting.

5. The method for manufacturing the fully digital movable frame denture device according to any one of claims 1 to 4, characterized in that: include: 1) Obtain oral digital model through 3D scanning; 2) designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion; 3) Design a digital model of dentures based on the oral digital model; 4) designing a digital model of the base according to the digital model of the oral cavity, wherein the digital model of the base has a positioning groove that matches the positioning protrusion on the digital model of the metal bracket; 5) Produce a metal bracket by 3D printing according to the digital model of the metal bracket, produce a denture by CNC cutting according to the digital model of the denture, and produce a cutting base by CNC cutting according to the digital model of the base; 6) Bond the denture to the cutting base; 7) Bond the cutting base to the metal bracket.

6. The method for manufacturing the fully digital movable frame denture device according to any one of claims 1 to 4, characterized in that: include: 1) Obtain oral digital model through 3D scanning; 2) designing a digital model of the metal bracket according to the digital model of the oral cavity, wherein the digital model of the metal bracket has a positioning protrusion; 3) designing a digital model of a denture and a base combination according to the digital model of the oral cavity, wherein the digital model of the denture and the base combination has a positioning groove that matches the positioning protrusion on the digital model of the metal bracket; 4) Produce a metal bracket by 3D printing according to the digital model of the metal bracket, and print a combination of the denture and the base by 3D printing according to the digital model of the combination of the denture and the base; 5) Glue the denture and base assembly onto the metal bracket.

7. The method for manufacturing the fully digital movable frame denture device according to any one of claims 5 or 6, characterized in that: The positioning protrusion is a triangular block, and the positioning groove is a triangular groove matched with the triangular block.

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