CN219629827U - All-ceramic abutment structure for implant - Google Patents

Abstract

The utility model discloses an all-ceramic abutment structure of an implant, which belongs to the technical field of dentistry and comprises an implant and an abutment body, wherein the periphery of the implant is a spiral part, the implant is planted in an oral cavity, the abutment body is arranged at the top of the implant, a dental crown is fixed at the top of the abutment body, a threaded hole is arranged at the center of the top of the implant, a fixing bolt penetrating through the abutment body and the dental crown is connected with the inner periphery of the threaded hole in a threaded manner, a rectangular clamping groove convenient for tool rotation is formed in the top of the fixing bolt, long clamping strips are arranged on two sides of the upper half of the periphery of the fixing bolt, a plurality of reinforcing screws are arranged on the periphery of the fixing bolt, the bottom ends of the reinforcing screws sequentially penetrate through the dental crown and the abutment body and are fixed with the implant, and nut sleeves are connected with the periphery of the reinforcing screws in a threaded manner. The all-ceramic abutment structure of the implant not only can realize the stable effect, but also can further realize the effect of strengthening fixation through multiple fixation.

Description

All-ceramic abutment structure for implant

Technical Field

The utility model belongs to the technical field of dentistry, and particularly relates to an all-ceramic abutment structure for dental implant.

Background

Dental implant refers to a dental defect restoration method for supporting and retaining an upper dental restoration on the basis of a lower structure implanted in bone tissue. It is made of artificial material (such as metal, ceramic, etc.) and is implanted into tissue (usually upper and lower jaws) by surgical method to obtain firm retention support of bone tissue, and the dental prosthesis is connected to the upper portion of the support by means of special equipment and mode. Wherein the abutment makes one of the important parts of restoration pressure, and the abutment is installed on the implant platform, makes its extension to the oral cavity for the superstructure of position and support implant, and current abutment is mostly all porcelain structure, and current all porcelain structure abutment connection is fixed through the connecting piece, and it lacks an anti-rotation structure.

The utility model discloses an all-ceramic abutment structure of tooth implant of number CN202022194270.4 establishes the rotation cover at the regular polygon spacing end of screw through rotating the cover, has ensured the installation angle, rotates the cover upper surface and is provided with the toper portion that supplies regular polygon spacing end to pass and match with the bell mouth to guarantee abutment body and rotation cover's axiality, but it still has the space that needs the improvement.

Disclosure of Invention

The utility model aims to provide an all-ceramic abutment structure for dental implants, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an all porcelain abutment structure of tooth, includes that the periphery is the planting body and the abutment body of screw portion, the planting body is planted in the oral cavity inside, the abutment body sets up in the top of planting body, and abutment body top is fixed with the dental crown, the top center of planting body is equipped with the screw hole, and the inner periphery threaded connection of screw hole has the fixing bolt who runs through abutment body and dental crown, the rectangular draw-in groove convenient to instrument is seted up at fixing bolt's top, and the both sides of fixing bolt periphery upper half all are provided with long card strip, fixing bolt's periphery is equipped with a plurality of reinforcing screw rods, and the bottom of reinforcing screw rod passes dental crown and abutment body in proper order and is fixed with the planting body, reinforcing screw rod's periphery threaded connection has the nut cover, and is provided with the spacing dish that is used for spacing between nut cover and the periphery of fixing bolt.

Preferably, the top of the abutment body is integrally formed with a plurality of protruding outer protruding portions, and the bottoms of the dental crowns are provided with concave portions matched with the outer protruding portions.

Preferably, the top of the limiting disc is an opening, a plurality of gear cavities are formed in the limiting disc, and the gear cavities are designed with different diameters.

Preferably, a main gear is arranged in the gear cavity at the center, and a clamping groove matched with the long clamping strip is formed in the center of the main gear.

Preferably, a secondary gear meshed with the primary gear is arranged in the plurality of peripheral gear cavities, and the center of the secondary gear is connected with the periphery of the nut sleeve.

Preferably, a chuck is mounted at the opening end of the limiting disc, and a plurality of holes for the fixing bolts and the reinforcing screws to pass through are formed in the chuck.

Compared with the prior art, the utility model has the technical effects and advantages that:

the design of protruding of a plurality of outer convex parts at the top of the abutment body and the design of adapting of a plurality of concave parts at the bottom of the dental crown can realize the design of limiting clamping positions, and further plays a role in stabilizing the dental crown;

the meshing design of the main gear and the plurality of auxiliary gears and the limit design of the main gear and the fixing bolts are realized, the connection of the nut sleeve and the auxiliary gears and the threaded connection design of the auxiliary gears and the reinforcing screw are realized, and the fixing bolts and the nut sleeve can be simultaneously fixed through the limit function of the limit disc when the fixing bolts are rotated, so that the multiple fixing function is realized;

the all-ceramic abutment structure of the implant not only can realize the stable effect, but also can further realize the effect of strengthening fixation through multiple fixation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present utility model;

FIG. 3 is a schematic diagram of a connection structure of the limiting plate of the present utility model;

fig. 4 is a schematic structural view of the fixing bolt of the present utility model.

Reference numerals illustrate:

1. an implant; 2. a base body; 3. a dental crown; 4. a fixing bolt; 5. a rectangular clamping groove; 6. a long clamping strip; 7. reinforcing a screw; 8. a nut sleeve; 9. a limiting disc; 10. an outer protruding portion; 11. a chuck;

21. a gear cavity; 22. a main gear; 23. and a pinion gear.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

Referring to fig. 1 to 4, the device body has a general structure that an implant 1, a base body 2 and a dental crown 3, wherein the periphery of the implant 1 is in a spiral design so as to be conveniently installed in an oral cavity, a threaded hole is formed in the top of the implant 1, a central opening is formed in the centers of the dental crown 3 and the base body 2, a fixing bolt 4 is arranged at the central opening, the periphery of the lower half part of the fixing bolt 4 is in threaded connection with the threaded hole, a rectangular clamping groove 5 is formed in the top of the fixing bolt 4, and the rectangular clamping groove 5 is convenient for a tool to rotate.

Referring to fig. 1, in order to achieve multiple fixation, the top of the implant 1 is connected with a plurality of reinforcing screws 7, a plurality of reinforcing through holes are formed in the outer sides of the centers of the dental crown 3 and the abutment body 2, the reinforcing screws 7 penetrate through the two reinforcing through holes, and the top ends of the reinforcing screws 7 are in threaded connection with nut sleeves 8.

Referring to fig. 1, in order to enhance the limit, a plurality of protruding outer protrusions 10 are integrally formed on the top of the abutment body 2, and recesses adapted to the outer protrusions 10 are formed on the bottom of the crown 3.

Referring to fig. 2 to 4, in order to realize synchronous transmission, a limiting disc 9 is arranged on the periphery of a fixing bolt 4, the top of the limiting disc 9 is provided with an opening, a plurality of gear cavities 21 are formed in the limiting disc 9, the plurality of gear cavities 21 are designed with different diameters, the diameter of the gear cavity 21 at the center is larger, the diameter of the gear cavity 21 at the outer side is smaller, and the plurality of gear cavities 21 are mutually communicated;

a main gear 22 is arranged at the gear cavity 21 in the center in an adaptation way, a plurality of pinion gears 23 are arranged in the plurality of gear cavities 21 at the outer side, the plurality of pinion gears 23 are meshed with the periphery of the main gear 22, two clamping grooves are formed in the center of the main gear 22, two symmetrical long clamping strips 6 are arranged at the upper half part of the periphery of the fixing bolt 4, and the long clamping strips 6 are matched with the clamping grooves;

the fixing bolt 4 passes the centre rethread draw-in groove of main gear 22 and long draw-in bar 6's cooperation realization spacing, the center of pinion 23 and the periphery looks adaptation of nut cover 8, and chuck 11 is installed to the open end department of spacing dish 9, and a plurality of holes that supply fixing bolt 4 and reinforcement screw 7 to pass are seted up to chuck 11, and the lid of chuck 11 is established, can be to pinion 23 and main gear 22 looks adaptation.

The components are all the prior art or the prior realizable technology, and the working principle, the size and the model are irrelevant to the functions of the utility model, so the components are not described more and are controlled by a remote control switch.

Principle of operation

According to the all-ceramic abutment structure for the implant, the implant 1 is arranged at an oral cavity repairing part, so that the abutment body 2 is placed at the top of the implant 1, and the reinforcement screw 7 passes through to realize limit;

then the dental crown 3 is placed on the base body 2, the fixing bolt 4 passes through the limit disc 9, and the reinforcing screw 7 and the nut sleeve 8 are placed in an adapting way;

and the tool is used for screwing the torque clamping groove 5, so that the fixing bolt 4 is connected with the threaded hole, and meanwhile, due to the meshing design of the main gear 22 and the auxiliary gear 23, the nut sleeve 8 rotates, and the nut sleeve 8 and the reinforcing screw 7 are further fixed through threads, so that stable fixation can be realized.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, 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, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An all-ceramic abutment structure for an implant, comprising:

an implant (1) with a spiral part at the periphery, wherein the implant (1) is planted in the oral cavity;

the dental implant comprises a base body (2), wherein the base body (2) is arranged at the top of the implant (1), and a dental crown (3) is fixed at the top of the base body (2);

the method is characterized in that: the utility model discloses a dental implant, including implant, fixing bolt, nut cover, fixing bolt, screw hole (1) is equipped with the top center of implant (1) and the inner periphery threaded connection of screw hole has fixing bolt (4) that runs through base body (2) and dental crown (3), moment draw-in groove (5) convenient to the instrument is rotated are offered at the top of fixing bolt (4), and the both sides of fixing bolt (4) periphery upper half all are provided with long card strip (6), the periphery of fixing bolt (4) is equipped with a plurality of reinforcing screw rods (7), and the bottom of reinforcing screw rod (7) passes dental crown (3) and base body (2) in proper order and is fixed with implant (1), the periphery threaded connection of reinforcing screw rod (7) has nut cover (8), and is provided with between the periphery of nut cover (8) and fixing bolt (4) and is used for spacing limiting disc (9).

2. An all-ceramic abutment structure for dental implants according to claim 1, wherein: the top of the abutment body (2) is integrally formed with a plurality of protruding outer convex parts (10), and the bottoms of the dental crowns (3) are respectively provided with a concave part matched with the outer convex parts (10).

3. An all-ceramic abutment structure for dental implants according to claim 1, wherein: the top of limiting plate (9) is the opening, and a plurality of gear cavities (21) have been seted up to the inside of limiting plate (9), a plurality of gear cavities (21) are the different design of diameter size.

4. An all-ceramic abutment structure for dental implants according to claim 3, wherein: the inside that is in center gear chamber (21) is provided with main gear (22), and the center of main gear (22) is equipped with the draw-in groove with long card strip (6) looks adaptation.

5. An all-ceramic abutment structure for dental implants according to claim 4, wherein: a pinion (23) meshed with the main gear (22) is arranged in the plurality of peripheral gear cavities (21), and the center of the pinion (23) is connected with the periphery of the nut sleeve (8).

6. An all-ceramic abutment structure for dental implants according to claim 1, wherein: the chuck (11) is installed at the opening end of the limiting disc (9), and a plurality of holes for the fixing bolts (4) and the reinforcing screw rods (7) to penetrate are formed in the chuck (11).