Customized fixed denture based on cobalt-chromium alloy casting

Custom-made fixed dentures cast from cobalt-chromium alloy, utilizing a combination of tapered bolts and buffer inner components, solve the problem of high costs associated with custom-made dentures, enabling flexible installation to adapt to different jaw shapes, and enhancing antibacterial properties and comfort.

CN223569426UActive Publication Date: 2025-11-21KUNMING BOHAO DENTURE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422989485.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-11-21
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Current custom dentures require customization based on the position and shape of the jawbone, which increases costs, and existing dentures are not well-suited for installation in different positions.

Method used

Custom-made fixed dentures cast from cobalt-chromium alloy are fixed to the dental arch with tapered bolts. Combined with a cushioning inner sleeve and ceramic positioning elements, and using titanium dioxide nanotubes as an antibacterial agent carrier, a soft, comfortable and antibacterial custom-made installation is achieved.

Benefits of technology

It enables flexible and adaptable installation according to different jaw shapes, reduces bacterial growth, improves the comfort and antibacterial properties of dentures, and lowers customization costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of false teeth, in particular to a customized fixed false tooth cast on the basis of cobalt-chromium alloy, which comprises a fixed plate assembled on a gum, and fastening holes are formed in the inner wall of the fixed plate in a penetrating manner; a conical bolt is arranged on the inner side of the fastening hole in a spiral locking mode. And a ceramic positioning piece is detachably assembled on the fixing plate. According to the utility model, the conical bolt is fixed on the oral gum and is buffered and positioned through the fixing plate, and the ceramic positioning piece is fastened on the fastening bolt, so that the false tooth body can be customized and cast; the conical bolt adapts to different gum, the customized false tooth body is assembled on the buffer inner sleeve piece, and the inner sleeve piece is a fluorine-containing elastomer, has weather resistance and chemical corrosion resistance, is soft and comfortable, is antibacterial and reduces bacterium breeding; the titanium dioxide nanotube has biocompatibility and chemical stability, large specific surface area and good adsorption performance, and can be used as an antibacterial agent carrier to destroy bacterial cell walls or adsorb antibacterial drugs, continuously release the antibacterial effect and reduce the risk of oral infection.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a denture technical field, concretely relates to a kind of custom-made fixed denture based on cobalt-chromium alloy casting. BACKGROUND

[0002] Denture is the "false tooth" that people often say. Just like "false leg" "prosthesis" is called "prosthetic", "denture" means that the tooth that is "duty" for human. It is the general term of the prosthesis made after the upper and lower jaw tooth part or all tooth loss in medicine. Denture is divided into two kinds of removable and fixed. Fixed denture (commonly known as "fixed false tooth") cannot be taken by patient oneself, while removable denture (commonly known as "movable false tooth") can be conveniently taken by patient. Chinese patent discloses a kind of full porcelain denture of uniform wear resistance (grant announcement number CN216495750U), the patent technology discloses a kind of full porcelain denture of uniform wear resistance, including denture body, dental platform, fixed seat and wear-resistant layer, the inside of denture body is equipped with ceramic matrix, the outside of denture body is equipped with wear-resistant layer, the inside of wear-resistant layer is fixedly connected with reinforcing layer, the inner wall of reinforcing layer is fixedly connected with full porcelain layer, the inner wall of full porcelain layer is fixedly connected with antibacterial layer, the inner wall of antibacterial layer is fixedly connected with the outer wall of ceramic matrix, the middle part of ceramic matrix bottom end is equipped with positioning groove, the inner wall of positioning groove is inserted with positioning column, the middle part of the top of positioning column is fixedly connected with fixed seat, the inside of fixed seat is equipped with medicine storage groove, a kind of full porcelain denture of uniform wear resistance of the utility model, setting wear-resistant layer can improve the wear resistance of denture surface, setting antibacterial layer can improve the antibacterial property of denture inner wall, reduce bacterial growth, setting medicine storage groove can improve the safety of denture use by filling anti-inflammatory drugs. The patent technology solves the problems that most of the existing full porcelain dentures are simple in structure, inconvenient to install and use, the connection between denture and human body is not firm enough, the structural stability of denture is poor, inflammation is easy to occur after long-term use, which affects the use effect of denture, meanwhile, the existing full porcelain denture is poor in wear resistance and uneven in wear resistance, the protection effect of denture on human body is not good, and the practicality and durability need to be improved.

[0003] However, the customization of denture in the prior art needs to be customized and installed according to the position and shape of the dental bed, which will increase the cost, and the problem of the adaptability of the denture customized according to the shape of the tooth to be installed on the fixing member needs to be solved.

[0004] Therefore, the skilled in the art provides a kind of custom-made fixed denture based on cobalt-chromium alloy casting to solve the problems raised in the above background art. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides:

[0006] A kind of custom fixed denture based on cobalt-chromium alloy casting, comprising: fixed plate assembled on the gum, the inner wall of the fixed plate is provided with fastening hole, and the inside of the fastening hole is provided with taper bolt by screwing;The ceramic positioning piece is detachably assembled on the fixed plate, the outside of the ceramic positioning piece is provided with buffer inner sleeve assembly, and the outside of the buffer inner sleeve assembly is detachably provided with cobalt-chromium alloy custom cast denture body.

[0007] Preferably: the top of the buffer inner sleeve assembly is integrally provided with a sterilization positioning block.

[0008] And the sterilization positioning block is a carrier, and the carrier material is titanium dioxide nanotube, and the loading method of titanium dioxide nanotube is physical adsorption method by immersing in antibacterial drugs.

[0009] Preferably: the inner wall of the denture body is provided with a stable hole and a positioning groove corresponding to the properties of the buffer inner sleeve assembly and the sterilization positioning block.

[0010] Preferably: the stable hole and the positioning groove are provided through.

[0011] Preferably: the denture body is sleeved outside the buffer inner sleeve assembly through the stable hole, and the denture body is positionally corrected and sleeved outside the positioning groove through the positioning groove.

[0012] Preferably: the denture body needs to be coated with resin and fixed on the outside of the buffer inner sleeve assembly and the sterilization positioning block inside the stable hole and the positioning groove.

[0013] Preferably: the taper bolt is integrally provided with a fastening bolt, and the ceramic positioning piece is provided with a fastening screw hole corresponding to the position of the fastening bolt.

[0014] The ceramic positioning piece is fixed on the fastening bolt by screwing through the fastening screw hole.

[0015] The technical effects and advantages of the present application are as follows:

[0016] The present application is fixed on the oral gum by the taper bolt, and the ceramic positioning piece is fastened on the fastening bolt by the fixed plate buffer positioning, and the custom cast denture body can be customized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure diagram of the custom fixed denture based on cobalt-chromium alloy casting provided by the present application.

[0018] Fig. 2 is a structure diagram of a stable hole in a custom-made fixed denture based on cobalt-chromium alloy casting provided by the present application;

[0019] Fig. 3 is a structure diagram of a buffer inner sleeve in a custom-made fixed denture based on cobalt-chromium alloy casting provided by the present application;

[0020] Fig. 4 is a structure diagram of a fastening bolt in a custom-made fixed denture based on cobalt-chromium alloy casting provided by the present application.

[0021] In the figure:

[0022] 1, fixed plate; 2, denture body; 3, fastening hole; 4, tapered bolt; 5, stable hole; 6, positioning groove; 7, fastening bolt; 8, ceramic positioning piece; 9, buffer inner sleeve; 10, sterilization positioning block; 11, fastening hole. DETAILED DESCRIPTION

[0023] The present application will be further described in detail below in combination with the drawings and specific embodiments. The examples of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

[0024] Embodiment, please refer to Figs. 1-4 In this embodiment, a custom-made fixed denture based on cobalt-chromium alloy casting is provided, which comprises: a fixed plate 1 assembled on the dental bed, a fastening hole 3 is provided through the inner wall of the fixed plate 1; and a tapered bolt 4 is provided in the inner side of the fastening hole 3 and is screwed tightly; a ceramic positioning piece 8 is detachably assembled on the fixed plate 1, a buffer inner sleeve 9 is assembled on the outer side of the ceramic positioning piece 8; and a cobalt-chromium alloy custom-made cast denture body 2 is detachably assembled on the outer side of the buffer inner sleeve 9.

[0025] The top of the buffer inner sleeve 9 is integrally fixed with a sterilization positioning block 10. The sterilization positioning block 10 is a carrier, and the carrier material is titanium dioxide nanotube. The loading method of titanium dioxide nanotube is physical adsorption method by immersing in an antibacterial drug.

[0026] The inner wall of the denture body 2 is provided with a stable hole 5 and a positioning groove 6 corresponding to the properties of the buffer inner sleeve 9 and the sterilization positioning block 10. The stable hole 5 and the positioning groove 6 are throughly arranged. The denture body 2 is sleeved outside the buffer inner sleeve 9 through the stable hole 5, and the denture body 2 is positionally corrected and sleeved outside the positioning groove 6 through the positioning groove 6. The denture body 2 needs to be fixed on the outside of the buffer inner sleeve 9 and the sterilization positioning block 10 by being coated with resin on the inside of the stable hole 5 and the positioning groove 6.

[0027] The cone bolt 4 is integrally fixed with a fastening bolt 7, and the ceramic positioning piece 8 is provided with a fastening screw hole 11 corresponding to the position of the fastening bolt 7. The ceramic positioning piece 8 is screw-locked and fixed on the fastening bolt 7 through the fastening screw hole 11.

[0028] The working principle of the present application according to the above embodiment is:

[0029] The cone bolt 4 is fastened on the oral cavity gum, and is buffered and positioned through the fixed plate 1. The ceramic positioning piece 8 is screw-locked on the fastening bolt 7 through the fastening screw hole 11. The cobalt-chromium alloy can be used to customize and cast the denture body 2 according to the specific shape of the buffered gum;

[0030] The cone bolt 4 can be applied to different positions of the gum, and only the denture body 2 corresponding to the tooth shape needs to be customized and assembled on the buffer inner sleeve 9. The buffer inner sleeve 9 is made of fluorine-containing elastomer material, has excellent weather resistance and chemical corrosion resistance, can maintain softness and comfort for a long time, and has good antibacterial performance, which helps to reduce the breeding of bacteria in the oral cavity.

[0031] The titanium dioxide nanotube has good biocompatibility and chemical stability, a large specific surface area and excellent adsorption performance, can be used as a carrier of an antibacterial agent, can destroy the cell wall and cell membrane of bacteria to achieve antibacterial effect, and can be loaded with an antibacterial drug on the titanium dioxide nanotube through a physical adsorption method to realize sustained release and antibacterial effect, has antibacterial effect, can inhibit common pathogenic bacteria in the oral cavity, and can reduce the risk of oral infection.

[0032] In the present application, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific situation by the ordinary skilled in the art.

[0033] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A custom-made fixed denture based on cobalt-chromium alloy cast, characterized by, Include: The fixed plate (1) assembled on the gum, the inner wall of the fixed plate (1) is provided with a fastening hole (3); And the inside of the fastening hole (3) is provided with a taper bolt (4) with spiral locking; The fixed plate (1) is detachably assembled with a ceramic positioning piece (8), and the outer side of the ceramic positioning piece (8) is detachably assembled with a buffer inner sleeve (9); The outer side of the buffer inner sleeve (9) is detachably assembled with a cobalt-chromium alloy custom cast denture body (2).

2. A custom-made fixed denture based on cobalt-chromium alloy cast according to claim 1, characterized in that, The top of the buffer inner sleeve (9) is integrally provided with a sterilization positioning block (10).

3. The cobalt-chromium alloy based cast custom-made fixed denture according to claim 1, characterized in that, The inner wall of the denture body (2) is provided with a stable hole (5) and a positioning groove (6) corresponding to the properties of the buffer inner sleeve (9) and the sterilization positioning block (10).

4. A custom-made fixed denture based on cobalt-chromium alloy cast according to claim 3, characterized in that, The stable hole (5) and the positioning groove (6) are through.

5. The cobalt-chromium alloy based cast custom-made fixed denture according to claim 1, characterized in that, The denture body (2) is sleeved outside the buffer inner sleeve (9) through the stable hole (5), and the denture body (2) is positionally corrected and sleeved outside the positioning groove (6) through the positioning groove (6).

6. A custom-made fixed denture based on cobalt-chromium alloy cast according to claim 5, characterized in that, The denture body (2) needs to be coated with resin inside the stable hole (5) and the positioning groove (6) and fixed outside the buffer inner sleeve (9) and the sterilization positioning block (10).

7. The cobalt-chromium alloy based cast custom-made fixed denture according to claim 1, characterized in that, The taper bolt (4) is integrally provided with a fastening bolt (7), and the ceramic positioning piece (8) is provided with a fastening hole (11) corresponding to the position of the fastening bolt (7).

Citation Information

Patent Citations

  • Wear-resistant uniform all-ceramic false tooth

    CN216495750U