CN219461462U

CN219461462U - Oral cavity planting base station based on micro-locking

Info

Publication number: CN219461462U
Application number: CN202223305300.XU
Authority: CN
Inventors: 顾兆丹; 栾铸; 刘岩
Original assignee: 716th Research Institute of CSIC; Jiangsu Jari Technology Group Co Ltd
Current assignee: 716th Research Institute of CSIC; Jiangsu Jari Technology Group Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-08-04
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an oral cavity planting base station based on micro-locking, which consists of a male part connected to an implant system and a female part inserted into a denture base. The male part is of an integral structure, the upper end of the male part is of a hexagonal structure and is provided with a retention groove, and the lower end of the male part is designed to be of an inner cone shape and is provided with threads. The female part is of a cavity with an internal thread structure and comprises a main body, a set of zirconia balls, a shape memory alloy spring and a cap, and the female part is formed into a whole through mechanical assembly. The male part and the female part are connected and fixed through the alloy ball and the retention groove, connection can be completed only by lightly pressing during installation, special tools can be used for separation during disassembly, the operation is simple and convenient, and the connection can be conveniently installed and taken out according to the wish of dentists. The utility model provides a novel retention technology for a fixed denture supported by an implant, so as to overcome the problem of a traditional retention mechanism of the implant support prosthesis, thereby solving the problem of supporting the denture by a traditional screw and cement retention implant system.

Description

Oral cavity planting base station based on micro-locking

Technical Field

The utility model relates to the technical field of oral implantation, in particular to an oral implantation base station based on micro-locking.

Background

Dental implants have been developed rapidly in recent years in the domestic market as the most scientific and popular treatment for global dental defects, with annual growth reaching over 20%, and since the introduction of osseointegration, longitudinal studies have demonstrated long-term success of osseointegrated implants. Implants successfully treat a portion of dentognathic patients, and implants and implant-supported prostheses have high success rates and survival rates. The implant-supported fixed dental prosthesis can be fixed by screws or bone cement, however, both methods have certain defects clinically. The screw fixation needs high precision to realize passive fit, if the passive fit cannot be realized, residual stress generated by screw tightening can occur between the multi-unit prosthesis and the implant, and the most common complications after the screw fixation are false tooth screw loosening, fracture and false tooth fracture; the bone cement-remaining restorations may cause peri-implant diseases such as peri-implant mucositis and peri-implant inflammation, the abutment may be scratched during removal of the extra bone cement at the subgingival margin, and the bone cement is difficult to remove cleanly. In addition, when the prosthesis is damaged or needs to be dismantled for maintenance, the disassembly hole reserved on the upper part of the prosthesis is needed, after the filling agent is cleaned, a special tool is used for loosening the connecting screw, then the denture and the abutment are integrally taken down, then the denture and the abutment are destructively separated, the damage to the denture or the abutment is likely to be caused, and secondary loss or failure is likely to be caused.

Disclosure of Invention

The utility model aims to provide an oral cavity planting base station based on micro-locking.

The technical solution for realizing the purpose of the utility model is as follows: an oral cavity planting base based on micro-locking, comprising:

the novel base station system consists of a male part and a female part, wherein the male part and the female part are connected and fixed through the alloy ball and the retention groove, the connection can be completed only by lightly pressing during installation, and the connection can be separated by a special detacher during detachment, so that the operation is simple and convenient;

the male part is of an integrated structure, the lower end of the male part is designed into an inner cone shape and is provided with threads, the connection with an implant system is realized through the threads, the male part has the advantages of good stability and anti-loosening, and the upper end of the male part is provided with a retaining groove for connecting and retaining with the female part;

the female part comprises a main body, a set of alloy balls, a shape memory alloy spring and a cap, wherein the alloy balls are firstly arranged at a locating hole at the outer side of the main body in a mechanical assembly mode, then the shape memory alloy spring is arranged at the outer side of the alloy balls, and finally the cap is arranged to form a whole;

the main body is the innermost part of the female part and is a cavity, threads are arranged in the main body, and the male part and the female part can be easily separated by adopting a thread precession device; further, a plurality of holes are formed at the outer side of the body, the radius of which is gradually reduced toward the inner side so that the alloy ball can be seated;

the alloy ball is a sphere, and after the female part is installed in place, an outward protruding structure is formed in the inner cavity of the main body and is used for being fixedly connected with the groove of the male part;

the shape memory alloy spring is positioned at the outer side of the alloy ball and is a circular one-side notch. The main material is nickel-titanium shape memory alloy, and external force is applied to the alloy ball by utilizing the elasticity of the nickel-titanium shape memory alloy;

the cap is a part to which the denture is attached, and has a groove to prevent the denture from rotating. The hole in the top allows the passage of a special screw driver, which can be used by the dentist to conveniently separate the female part from the denture.

Compared with the prior art, the utility model has the remarkable advantages that: the oral planting base based on micro-locking comprises two parts, wherein (1) fixation is realized through micro-locking of the alloy ball and the retention groove, and the oral planting base can be conveniently installed and removed according to clinical requirements, so that the defect existing in the prior art of fixing by using screws or bone cement is effectively overcome, and (2) the base can be easily separated from false teeth by using a threaded screw, and the oral planting base has better clinical popularization value.

Drawings

FIG. 1 is a schematic view of an oral implant abutment based on micro-locking according to the present utility model.

FIG. 2 is a schematic view of the female portion of the oral implant abutment according to the present utility model based on micro-locking.

FIG. 3 is a schematic view of a micro-locking based oral implant abutment shape memory alloy spring according to the present utility model.

Fig. 4 is a schematic view of the male part of the oral planting base based on micro-locking according to the present utility model.

Fig. 5 is a schematic view of the dental implant abutment connection denture and implant system based on micro-locking according to the present utility model.

Detailed Description

The oral cavity planting base station based on micro locking consists of a male part 3 connected to an implant system and a female part 2 inserted into a denture base, wherein the male part 3 and the female part 2 are connected and fixed through a retaining groove and an alloy ball 202.

The lower end of the male part 3 is of an inner cone shape and is provided with threads, connection with the implant system 4 is achieved through the threads, and a retention groove is formed in the upper end of the male part 3 and used for achieving connection and fixation with the female part 2.

The female part 2 is of a cavity with an internal thread structure and comprises a main body 201, a set of alloy balls 202, a shape memory alloy spring 203 and a cap 204, wherein the alloy balls 202 are firstly arranged in a locating hole on the outer side of the main body 201 in a mechanical assembly mode, then the shape memory alloy spring 203 is arranged on the outer side of the alloy balls 202, and finally the cap 204 is arranged to form a whole.

The main body 201 is the innermost part of the main body 2, the main body 201 is a cavity, threads are arranged in the cavity, and the main body 2 and the false tooth 1 can be separated by adopting a thread screwing device; further, a plurality of seating holes are formed in the outer side of the main body 201 for seating the alloy ball 202, and the radius of the main body 201 toward the inner side is gradually reduced.

The alloy ball 202 is a perfect sphere, and is composed of zirconium oxide ZrO2 and hafnium oxide HfO2, and after the female part 2 is installed in place, an outward protruding structure is formed in the inner cavity of the main body 201 for being in retention connection with the groove of the male part 3.

The shape memory alloy spring 203 is located at the outer side of the alloy ball 202, is in a shape of a circular notched, and is made of nickel-titanium shape memory alloy, and applies external force to the alloy ball 202 by utilizing elasticity of the nickel-titanium shape memory alloy.

The cap 204 is a part connected with the denture 1, and is provided with a groove for preventing the denture 1 from rotating on the outer side; the top is provided with a hole allowing the passage of a special screw-threaded driver.

The utility model is further described below with reference to the drawings.

In the figure: 1. a dental crown; 2. a female part; 201. a main body; 202. zirconia balls; 203. a shape memory alloy spring; 204. a cap; 3. a male part; 4. an implant system.

The oral cavity planting abutment based on micro locking is used for connecting an implant system 4 and a false tooth 1, is a necessity for dental implant restoration, and is specifically installed and implemented as follows: 1. firstly, the male part 3 of the abutment system is connected with the screw thread of the implant system 4 by adopting a hexagonal screw tool; 2. the mother part 2 of the abutment system is bonded with the false tooth 1 through cement; 3. finally, the bonded female portion 2 and the denture 1 are integrally attached to the male portion 3. The specific disassembly implementation steps are as follows: 1. firstly, separating a male part 3 and a female part 2 by adopting a special detacher; 2. separating the male part 3 and the implant system 4 by adopting a hexagonal screw tool; 3. the female part 2 is separated from the prosthetic appliance 1 by a screw driver.

The embodiment of the oral planting base based on micro locking is shown in fig. 1, and consists of a male part 3 and a female part 2, wherein the male part 3 and the female part 2 are connected and fixed through an alloy ball 202 and a retention groove, and the embodiment is shown in fig. 2 and 4, wherein the upper end of the male part 3 is provided with the retention groove, and the female part 2 consists of a main body 201, a set of alloy balls 202, a shape memory alloy spring 203 and a cap 204, and is formed into a whole through mechanical assembly; the shape memory alloy spring 203 is shown in fig. 3, when in connection, the female part 2 is pressed onto the male part 3 with force, the alloy ball 202 enters the retention groove, and after installation, constant external force can be applied to the alloy ball 202 through the shape memory alloy spring 203, so that the male part 3 and the female part 2 are firmly connected; when the detachable male part 3 and the female part 2 can be conveniently separated by adopting a special detacher.

The core of the utility model is that a unique novel base system integrating micro-locking and cavity internal threads is creatively designed, on one hand, the male part 3 and the female part 2 can be conveniently installed and disassembled through a micro-locking structure; on the other hand, the female part 2 and the denture 1 can be easily separated, and the defect that the traditional denture can be separated only by taking destructive measures is overcome. Through clinical experiments, the abutment can effectively solve the problem that the traditional screw and cement retention implant system 4 supports the false tooth, and can scientifically and conveniently separate the female part 2 from the false tooth 1.

The micro-locking-based oral planting base is suitable for the field of oral planting, and the above is a specific embodiment of the present utility model, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present disclosure should be covered in the protection scope of the present utility model.

Claims

1. An oral cavity planting base station based on little locking, its characterized in that: consists of a male part (3) connected to an implant system and a female part (2) inserted into a denture base, wherein the male part (3) and the female part (2) are connected and fixed through a retention groove and an alloy ball (202); the female part (2) is of a cavity with internal thread structure and comprises a main body (201), a set of alloy balls (202), a shape memory alloy spring (203) and a cap (204), wherein the alloy balls (202) are firstly arranged in a locating hole on the outer side of the main body (201) in a mechanical assembly mode, then the shape memory alloy spring (203) is arranged on the outer side of the alloy balls (202), and finally the cap (204) is arranged to form a whole.

2. The micro-lock based oral planting abutment as set forth in claim 1 wherein: the lower end of the male part (3) is an inner cone, threads are arranged on the male part, connection with the implant system (4) is achieved through the threads, and a retention groove is formed in the upper end of the male part (3) and used for being connected and fixed with the female part (2).

3. The micro-lock based oral planting abutment as set forth in claim 1 wherein: the main body (201) is the innermost part of the main body (2), the main body (201) is a cavity, threads are arranged in the cavity, and the main body (2) and the false tooth (1) can be separated by adopting a thread screwing device; in addition, a plurality of positioning holes are formed on the outer side of the main body (201) for the alloy balls (202) to be seated, and the radius of the main body (201) towards the inner side is gradually reduced.

4. The micro-lock based oral planting abutment as set forth in claim 1 wherein: the alloy ball (202) is a sphere, and after the female part (2) is installed in place, an outward protruding structure is formed in the inner cavity of the main body (201) and is used for being fixedly connected with the groove of the male part (3).

5. The micro-lock based oral planting abutment as set forth in claim 1 wherein: the shape memory alloy spring (203) is positioned at the outer side of the alloy ball (202) and is in a round shape with a notch, the nickel-titanium shape memory alloy is selected as a material, and the elasticity of the nickel-titanium shape memory alloy is utilized to realize the application of external force to the alloy ball (202).

6. The micro-lock based oral planting abutment as set forth in claim 1 wherein: the cap (204) is a part connected with the denture (1), and a groove for preventing the denture (1) from rotating is arranged on the outer side of the cap; the top is provided with a hole allowing the passage of a special screw-threaded driver.