CN203815619U

CN203815619U - Implant tooth structure

Info

Publication number: CN203815619U
Application number: CN201420210177.XU
Authority: CN
Inventors: 叶雷
Original assignee: Chongqing Runze Pharmaceutical Co Ltd
Current assignee: Chongqing Runze Pharmaceutical Co Ltd
Priority date: 2014-04-28
Filing date: 2014-04-28
Publication date: 2014-09-10
Anticipated expiration: 2024-04-28

Abstract

The utility model relates to an implant tooth structure. The implant tooth structure comprises a tooth implantation body (1), a retention base table (2) and a false tooth (3) and is characterized in that a groove (4) is formed in one side of a head of the retention base table (2); a spring (5) is arranged in the groove (4); a slider (6) is arranged outside the spring (5); a calking groove (7) for installing the slider (6) is correspondingly formed in the false tooth (3); the tooth implantation body (1) comprises a neck (11), a middle part (12) and a tail (13) and adopts porous tantalum parts with porosity of 60-70%; a pipe thread (14) is arranged on the outer surface of the middle part (12) of the tooth implantation body; a vertical through hole (8) is formed inside the tooth implantation body (1); a flow guide groove (10) communicated with the through hole (8) is also formed in the bottom end face of the tooth implantation body (1). The implant tooth structure is reasonable, is convenient for implanting substances capable of improving the tooth implantation stability, and has good biocompatibility.

Description

A kind of Dental Implant structure

Technical field

This utility model relates to oral cavity canine implant, relates in particular to a kind of Dental Implant structure.

Background technology

The Dental Implant structure that oral tooth implantation operation at present adopts mostly includes plants tooth body, retained abutment and artificial tooth.It is planted tooth body and imbeds in advance after dental bed, and top refills establishes retained abutment, and this retained abutment exposes to dental bed surface and artificial tooth is installed, and realizes the implantation of artificial tooth with this.

Wherein, plant tooth body structure design unreasonable, its mechanical property and biocompatibility are poor, there will be repulsion, and affect its service life after long-time use with tissue; Meanwhile, it with body bone tissue between while being connected steadiness poor; Can not be again at sclerotin weakness such as bottoms after implantation, then add as biotic factor etc. other to increase the material of planting tooth steadiness; And plant and between tooth body and retained abutment, be mostly regular screw threads and be connected, easily exist and connect defective tightness, and be easy to cause impurity to enter in connecting thread gap, and then affect being fixedly connected with of the two.In addition, between its retained abutment and artificial tooth, be usually that card edge type connects, the anti-axial-rotation of this connected mode is poor, and exist connect not firmly, easily loosening and hold caducous problem.

Utility model content

The purpose of this utility model is to provide a kind of Dental Implant structure, this Dental Implant structure can be in real time by retained abutment with artificial tooth, plant tooth body and be closely connected with alveolar bone, also being convenient to import increases the material of planting tooth steadiness, rational in infrastructure, and has good biocompatibility concurrently.

The purpose of this utility model is achieved in that

A kind of Dental Implant structure, it includes plants tooth body, retained abutment and artificial tooth, it is characterized in that: described retained abutment head is provided with groove on one side, in this groove, is provided with spring, and spring arranged outside has slide block; In described artificial tooth, correspondence is provided with the caulking groove that described slide block is installed; The described tooth body of planting is made up of cervical region, middle part and afterbody, and adopts porous tantalum product, and its porosity is 60% ~ 70%; Its middle part outer surface is gas thread; This is planted tooth body inside and is provided with the perforation running through up and down; Described bottom end face of planting tooth body is also provided with the guiding gutter being communicated with described perforation.

Above-mentioned slide block, is excellently less than the right-angled trapezium body of lower surface area for upper surface area.This slide block also can be set to the object that other sides such as right angle trigonometry body are inclined plane shape.

Above-mentioned retained abutment head is cuboid, and with artificial tooth corresponding matching, can further increase anti-axial-rotation.

It is the gas thread of 55 ° that the side of above-mentioned inner perforated middle and upper part of planting tooth body is provided with tooth form angle; Above-mentioned retained abutment bottom is threaded rod, this threaded rod and this gas thread corresponding matching, and then the self-locking that realizes the two is fixedly connected with, and good stress performance.

Further, the above-mentioned tooth body of planting is rhabodoid, and the diameter of its afterbody is short compared with cervical region and middle part.The tooth body of planting of this structure setting has been realized with alveolar bone and being firmly connected, and has the effects such as the sinking of further preventing.

Above-mentioned guiding gutter is horizontal distribution, and can also be set to multiple.Setting up guiding gutter can realize the material that the increase such as bone grafting material, biotic factor is planted to tooth steadiness and introduce, be evenly distributed on sclerotin weakness such as planting tooth body bottom, and the stability that increase is connected with sclerotin, and can also greatly improve the broken end of flesh and blood simultaneously and wait the mobility of materials, make it and be set to porous tantalum product to plant tooth body better compatible.

In this utility model, retained abutment and artificial tooth laminating closely, have been played well anti-moving axially, and anti-loosening and effect that come off; Its outer surface of planting tooth body middle part is provided with gas thread, has strengthened with the firm of alveolar bone and has been connected; It plants tooth body and retained abutment adopts gas thread Corresponding matching, sealing and good stress performance, easily produce self-locking, avoid impurity to enter in screw thread, and further plant tooth body and be set to porous tantalum product, well met and ensured its mechanical property, also greatly increased the biocompatibility of its structural entity simultaneously, improve service life and implanted comfort level, having increased stability and anti-verticity after this artificial prosthesis is implanted.

Brief description of the drawings

Fig. 1 is the decomposition texture schematic diagram of Dental Implant structure in this utility model embodiment.

Fig. 2 is the Integral connection structure schematic diagram of Dental Implant structure in Fig. 1.

Fig. 3 is the axonometric drawing of the retained abutment structure of Dental Implant structure in Fig. 1.

Detailed description of the invention

Be below this utility model preferred embodiment, and be not intended to limit protection domain of the present utility model.

As shown in Figures 1 to 3: a kind of Dental Implant structure, it includes plants retained abutment 2 and the artificial tooth 3 that tooth body 1, head are cuboid; On its retained abutment 2 head one sides, be provided with square groove 4, be provided with a spring 5 in this groove 4, spring 5 arranged outside have slide block 6, and this slide block 6 is less than the right-angled trapezium body of lower surface area for upper surface area; The interior correspondence of artificial tooth 3 is provided with the caulking groove 7 that slide block 6 is installed; This plants the rhabodoid of tooth body 1 for being made up of cervical region 11, middle part 12 and afterbody 13, and adopts porous tantalum product, and its porosity is 60% ~ 70%; Its middle part 12 outer surfaces are provided with gas thread 14, and the diameter of its afterbody 13 is short compared with cervical region 11 and middle part 12; Plant tooth body 1 inside and be provided with the perforation 8 running through up and down; Planting tooth body 1 bottom end face is also provided with and 8 guiding gutters that are communicated with 10 of boring a hole; It is the gas thread of 55 ° that the side of planting inner perforated 8 middle and upper parts of tooth body 1 is provided with tooth form angle; Retained abutment 2 bottoms are threaded rod 9, and this threaded rod 9 and this gas thread corresponding matching, fix and be tightly connected with the self-locking that realizes the two; This head is the retained abutment 2 of cuboid, adopt medical titanium alloy make, and with artificial tooth 3 corresponding matching, realized the implantation of artificial tooth.

By being processed with groove 4 and being provided with spring 5 on retained abutment 2 head one sides, configure again slide block 6, so that it cooperatively interacts and plays the chimeric self-locking action that is similar to latch dead bolt---along with artificial tooth 3 is toward lower slider, promote slide block 6 Compress Springs 5 to the interior movement of groove 4, after artificial tooth 3 moves into place, slide block 6 falls into the caulking groove 7 on artificial tooth 3, now by the effect of spring 5, make slide block 6 can keep with artificial tooth 3 on caulking groove 7 laminating closely, thereby play well anti-axially movable effect, and anti-loosening and effect that come off; By bore a hole 8 and guiding gutter 10 realized the materials such as biotic factor be introduced in to sclerotin weakness such as planting tooth body 1 bottom, and increased the stability being connected with sclerotin.

In addition, plant the porous tantalum product that tooth body 1 is above-mentioned porosity, can meet its mechanical property requirements in structure, be closely connected reliably to realize with alveolar bone.This porous tantalum product can adopt the preparations such as foam dipping method, die pressing.Through the discovery that studies for a long period of time: adopt the tooth physical ability of planting of porous tantalum product that bone is grown into and the structure of growing in forming, thereby organically combine as a whole with body bone tissue, in greatly having improved biocompatibility, also well meet its mechanical property, improve service life and implanted comfort level, having increased stability and anti-verticity after artificial prosthesis is implanted.

Claims

1. a Dental Implant structure, it includes plants tooth body (1), retained abutment (2) and artificial tooth (3), it is characterized in that: described retained abutment (2) head is provided with groove (4) on one side, in this groove, (4) are provided with spring (5), and spring (5) arranged outside has slide block (6); The interior correspondence of described artificial tooth (3) is provided with the caulking groove (7) that described slide block (6) is installed; The described tooth body (1) of planting is made up of cervical region (11), middle part (12) and afterbody (13), and adopts porous tantalum product, and its porosity is 60% ~ 70%; Its middle part (12) outer surface is gas thread (14); This is planted tooth body (1) inside and is provided with the perforation (8) running through up and down; Described bottom end face of planting tooth body (1) is also provided with the guiding gutter (10) being communicated with described perforation (8).

2. Dental Implant structure according to claim 1, is characterized in that: described slide block (6) is less than the right-angled trapezium body of lower surface area for upper surface area; Described retained abutment (2) head is cuboid, and with artificial tooth (3) corresponding matching.

3. according to Dental Implant structure described in claim 1 or 2, it is characterized in that: described in plant inner perforated (8) middle and upper part of tooth body (1) side be provided with gas thread; Described retained abutment (2) bottom is threaded rod (9), this threaded rod (9) and this gas thread corresponding matching.

4. according to Dental Implant structure described in claim 1 or 2, it is characterized in that: described in to plant tooth body (1) be rhabodoid, and the diameter of its afterbody (13) is short compared with cervical region (11) and middle part (12).

5. Dental Implant structure according to claim 3, is characterized in that: described in to plant tooth body (1) be rhabodoid, and the diameter of its afterbody (13) is short compared with cervical region (11) and middle part (12).

6. according to Dental Implant structure described in claim 1 or 2, it is characterized in that: described guiding gutter (10) is horizontal distribution, and is multiple.

7. Dental Implant structure according to claim 3, is characterized in that: described guiding gutter (10) is horizontal distribution, and is multiple.

8. Dental Implant structure according to claim 4, is characterized in that: described guiding gutter (10) is horizontal distribution, and is multiple.

9. Dental Implant structure according to claim 5, is characterized in that: described guiding gutter (10) is horizontal distribution, and is multiple.