CN211131463U

CN211131463U - Implant tooth

Info

Publication number: CN211131463U
Application number: CN201921861961.6U
Authority: CN
Inventors: 林锦新
Original assignee: FUJIAN CTRUE MATERIALS TECHNOLOGIES CO LTD
Current assignee: FUJIAN CTRUE MATERIALS TECHNOLOGIES CO LTD
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-31
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a dental implant, which comprises an implant body, a base station and a dental crown, wherein the middle part of the upper surface of the implant body is downwards provided with a positioning shaft installation cavity, a bottom plate of the positioning shaft installation cavity is provided with a cross-shaped groove, the periphery of the positioning shaft installation cavity in the implant body is provided with a threaded connection cavity in a surrounding way, the implant body is in a circular truncated cone shape, and the outer peripheral surface of the base station is provided with rectangular threads; the abutment comprises a thread fixing base and an inserting clamping seat, and a corresponding inserting cavity is formed in the dental crown. Through in the preparation of dental crown, directly be provided with the location axle in dental crown, prevent the rotation of dental crown, because dental crown fixes on the grafting cassette, so the grafting cassette also can't rotate, has just realized that the base station can not take place the emergence with the planting body relative motion condition to avoid the not hard up of base station, removed the operation step that needs insert the locating pin from the implant in-process from, reduced doctor's operation work load.

Description

Implant tooth

Technical Field

The utility model relates to the technical field of medical equipment, especially a planting tooth.

Background

The implanted tooth refers to a tooth missing restoration method for supporting and retaining an upper dental restoration based on a substructure implanted in a bone tissue. Comprises a lower supporting implant and an upper dental prosthesis, and mainly aims at the treatment work after the defect and the deletion of teeth. The artificial tooth implantation is also called artificial tooth implantation, is not really a natural tooth, but is made into a cylinder or other shapes similar to a tooth root by a medical mode through precisely designing pure titanium metal with high compatibility with human bone, is implanted into an alveolar bone of a tooth lacking area in a mode of surgical minor operation, and is made into a porcelain dental crown on the artificial tooth root after 1-3 months when the artificial tooth root is closely fit with the alveolar bone. The implant can obtain the repairing effect which is very similar to the function, the structure and the beautiful effect of the natural tooth, and becomes the first-choice repairing mode of more and more patients with tooth deficiency. Because of being non-destructive, the dental implant is recognized as the first choice for repairing the missing tooth by the oral medical community.

The prior Chinese utility model with the publication number of CN 209091677U is referred to, which discloses a dental implant. The combined type dental implant consists of an implant body, an abutment, a screw and a dental crown; the screw is used for connecting and fixing the abutment and the implant together; the positioning pin plays a role in preventing the abutment from loosening, and although the positioning pin can effectively play a role in preventing the abutment from loosening, the steps of the operation in the tooth implantation process are increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a dental implant, which reduces the operation steps in the process of dental implant and can prevent the loosening of the abutment.

The embodiment of the utility model provides an in adopt following scheme to realize: providing a dental implant, which comprises an implant body, a base and a dental crown, wherein the middle part of the upper surface of the implant body is downwards provided with a positioning shaft installation cavity, a bottom plate of the positioning shaft installation cavity is provided with a cross-shaped groove, the periphery of the positioning shaft installation cavity in the implant body is provided with a threaded connection cavity in a surrounding way, the implant body is in a circular truncated cone shape, and the peripheral surface of the base is provided with rectangular threads; the base station comprises a thread fixing base and an inserting clamping seat, the inserting clamping seat is arranged on the thread fixing base and is of a truncated cone-shaped tubular structure, and a clamping groove is formed in the outer peripheral surface of the inserting clamping seat from top to bottom; a corresponding inserting cavity is formed in the dental crown, a clamping convex block is correspondingly arranged in the inserting cavity, a positioning shaft is arranged in the middle of the inserting cavity, and a cross convex block is arranged on the lower end face of a bottom plate of the positioning shaft; the thread fixing base is screwed in the thread connecting cavity, and the clamping convex block is matched with the clamping groove; the positioning shaft of the dental crown sequentially penetrates through the inserting clamping seat and the thread fixing base and penetrates into the positioning shaft mounting cavity, and the cross-shaped convex block at the head part of the positioning shaft is inserted into the cross-shaped groove.

The utility model discloses an in the embodiment, two ends of two diameters of grafting cassette mutually perpendicular are seted up respectively the draw-in groove, the chucking lug sets up the corresponding position in grafting chamber in the dental crown.

The utility model relates to an embodiment, the grafting cassette with the periphery of the junction of thread tightening base is equipped with the retaining ring, the diameter of retaining ring with the diameter of planting body is the same.

The utility model has the advantages that: the utility model provides a planting tooth, through in the preparation of dental corona, directly be provided with the location axle in the dental corona, the cross lug of location axle bottom cooperates with the cross recess of location axle installation intracavity, cross lug card is gone into in the cross recess when installing grafting cassette to dental corona, just can prevent the rotation of dental corona, because dental corona fixes on grafting cassette, so grafting cassette also can't rotate, just realized the base station can not take place the emergence with the planting body relative motion condition, thereby the not hard up of base station has been avoided, remove the operation step that needs insert the locating pin from the planting tooth in-process, doctor's operation work load has been reduced.

Drawings

Fig. 1 is an exploded view of a dental implant.

Fig. 2 is a schematic view of a dental implant assembly after installation.

Fig. 3 is a sectional view of a dental implant assembly after installation.

Fig. 4 is a schematic structural view of a dental implant crown.

Fig. 5 is a top view of an implant.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 5, the utility model provides a dental implant, including an implant 1, a base 2 and a dental crown 3, a positioning shaft installation cavity 11 is provided downwards in the middle of the upper surface of the implant 1, a cross groove 14 is provided on the bottom plate of the positioning shaft installation cavity 11, a threaded connection cavity 12 is provided around the periphery of the positioning shaft installation cavity 11 in the implant 1, the implant 1 is in a truncated cone shape, and a rectangular thread 13 is provided on the outer peripheral surface of the base 2; the base station 2 comprises a thread fixing base 23 and an inserting clamping seat 21, the inserting clamping seat 21 is arranged on the thread fixing base 23, the inserting clamping seat 21 is of a truncated cone-shaped tubular structure, and a clamping groove 24 is formed in the outer peripheral surface of the inserting clamping seat 21 from top to bottom; a corresponding inserting cavity 32 is formed in the dental crown 3, a clamping convex block 34 is correspondingly arranged in the inserting cavity 32, a positioning shaft 31 is arranged in the middle of the inserting cavity 32, and a cross convex block 33 is arranged on the lower end face of a bottom plate of the positioning shaft 31; the threaded fixing base 23 is screwed in the threaded connecting cavity 12, and the clamping convex block 34 is matched with the clamping groove 24; the positioning shaft 31 of the dental crown 3 sequentially penetrates through the inserting clamping seat 21 and the thread fixing base 23 and penetrates into the positioning shaft mounting cavity 11, and the cross-shaped convex block 33 at the head of the positioning shaft 31 is inserted into the cross-shaped groove 14 to play a role in preventing the abutment from loosening.

Referring to fig. 1, fig. 3 and fig. 4, in an embodiment of the present invention, the two ends of the two mutually perpendicular diameters of the inserting clamping seat 21 are respectively provided with the clamping groove 24, and the clamping protrusion 34 is disposed at a corresponding position of the inserting cavity 32 in the dental crown 3 to fix the dental crown on the abutment.

Referring to fig. 1 to 5, in an embodiment of the present invention, a retaining ring 22 is disposed at an outer periphery of a connection portion between the inserting clamping seat 21 and the threaded fixing base 23, a diameter of the retaining ring 22 is the same as a diameter of the implant 1, and the retaining ring plays a role of limiting and simultaneously ensures that an outer surface is flush.

The utility model discloses the theory of operation below has:

when the dental crown is manufactured, a positioning shaft is directly arranged in the dental crown, and a cross-shaped convex block at the bottom of the positioning shaft is matched with a cross-shaped groove in an implant positioning shaft mounting cavity; when the dental crown is installed on the abutment in the dental implant operation, the dental crown is installed on the plug-in clamping seat, and the cross convex block is clamped in the cross groove, so that the relative movement of the dental crown and the implant can be prevented; the step of installing the dental crown also completes the step of preventing the abutment from loosening; the surgical step that a positioning pin needs to be inserted in the tooth implanting process is omitted, and the surgical workload of doctors is reduced.

The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.

Claims

1. A dental implant, comprising: the dental implant comprises an implant body, a base station and a dental crown, wherein a positioning shaft mounting cavity is downwards formed in the middle of the upper surface of the implant body, a cross-shaped groove is formed in a bottom plate of the positioning shaft mounting cavity, a threaded connection cavity is formed in the periphery of the positioning shaft mounting cavity in the implant body in a surrounding mode, the implant body is in a circular truncated cone shape, and rectangular threads are formed in the outer peripheral surface of the base station; the base station comprises a thread fixing base and an inserting clamping seat, the inserting clamping seat is arranged on the thread fixing base and is of a truncated cone-shaped tubular structure, and a clamping groove is formed in the outer peripheral surface of the inserting clamping seat from top to bottom; a corresponding inserting cavity is formed in the dental crown, a clamping convex block is correspondingly arranged in the inserting cavity, a positioning shaft is arranged in the middle of the inserting cavity, and a cross convex block is arranged on the lower end face of a bottom plate of the positioning shaft; the thread fixing base is screwed in the thread connecting cavity, and the clamping convex block is matched with the clamping groove; the positioning shaft of the dental crown sequentially penetrates through the inserting clamping seat and the thread fixing base and penetrates into the positioning shaft mounting cavity, and the cross-shaped convex block at the head part of the positioning shaft is inserted into the cross-shaped groove.

2. A dental implant as claimed in claim 1, wherein: the two ends of two diameters of the insertion clamping seat which are perpendicular to each other are respectively provided with the clamping grooves, and the clamping convex blocks are arranged at corresponding positions of the insertion cavities in the dental crowns.

3. A dental implant as claimed in claim 1, wherein: the periphery of the connection part of the inserting clamping seat and the thread fixing base is provided with a check ring, and the diameter of the check ring is the same as that of the implant.