CN218852865U

CN218852865U - Combined false tooth structure

Info

Publication number: CN218852865U
Application number: CN202222001344.7U
Authority: CN
Inventors: 郑云宏; 梁小龙; 钟小琴
Original assignee: Yimaishi Dental Shenzhen Co ltd
Current assignee: Yimaishi Dental Shenzhen Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-04-14
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a modular artificial tooth structure, including the implant, the base station has been cup jointed on the implant top, and pegs graft on the outer wall of base station top has the casing, and the joint has the dental crown on the outer wall of casing top, and implant side outer wall is close to bottom department and has seted up screw thread portion, and implant top outer wall center department integrated into one piece has the key head, and key head top outer wall center department has seted up the thread groove, and base station bottom outer wall center department has seted up the keyway, and the key head is pegged graft inside the keyway, and base station top outer wall center department has seted up the through-hole. The utility model discloses when installing the base station on the implant, the design of key head, keyway can improve the anti axial rotation nature between base station and the implant, improves the maintenance effect of base station and implant, and threaded rod cooperation thread groove can improve the self-locking function between implant and the base station, improves the fastening degree between casing, base station and the implant, and not hard up when avoiding this artificial tooth to receive great dynamics drops between casing, base station and the implant.

Description

Combined false tooth structure

Technical Field

The utility model relates to an artificial tooth technical field, concretely relates to modular artificial tooth structure.

Background

The denture is a "denture" which is a main component for realizing tooth implantation technology, and is used for making up for the missing or failure of a natural tooth root to realize the chewing function.

If the authorization notice number is CN211355980U, and the authorization notice date is 20200828, the combined type implanted false tooth structure consists of a dental crown, a base station and an implant, a prototype is directly processed by using laser 3D printing equipment, then the base station and the implant are subjected to thread treatment, the advantages of advanced manufacturing and traditional manufacturing are fully utilized, and the production efficiency of the implanted false tooth is improved; the stepped through holes are formed in the support body and the insertion body, so that the stability of assembly between the abutment and the dental crown and between the abutment and the implant are ensured; meanwhile, the inner structure of the implant is designed into a step-shaped through hole structure, and the base station and the implant can be further fixed by screws while being assembled; the implant denture manufacturing process based on the laser 3D printing technology is used for manufacturing implant dentures in all structures, the implant dentures are processed by the material increase manufacturing method, material waste caused by the traditional processing method is avoided, meanwhile, a plurality of implant dentures can be simultaneously processed by the laser 3D printing technology, the processing precision is high, and batch production can be realized.

The combined type implant denture in the prior art has poor self-locking function and poor axial rotation resistance, and has the problems that the connection between the abutment and the implant is not stable enough and is easy to loosen and fall off, so that a combined denture structure is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular artificial tooth structure to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a modular artificial tooth structure, includes the implant, the implant top has cup jointed the base station, and has pegged graft on the outer wall of base station top and have the casing, the joint has the dental crown on the outer wall of casing top, implant side outer wall is close to bottom department and has seted up screw thread portion, implant top outer wall center department integrated into one piece has the key head, and key head top outer wall center department has seted up the thread groove, base station bottom outer wall center department has seted up the keyway, the key head is pegged graft inside the keyway.

Furthermore, a through hole is formed in the center of the outer wall of the top of the base station, and the through hole is communicated with the key groove.

Furthermore, an inserting groove is formed in the outer wall of the bottom of the shell, and the top end of the base station is inserted into the inserting groove.

Furthermore, the inside body of rod of pegging graft in inserting groove is pegged graft to casing inside, and body of rod bottom integrated into one piece has the threaded rod that passes the through-hole, threaded connection is inside threaded groove in threaded rod bottom.

Furthermore, a placing groove is formed in one side of the outer wall of the top of the rod body, a spring is bonded to the inner wall of the bottom of the placing groove, and a sliding block is bonded to the top end of the spring.

Further, the mounting groove has all been seted up to the place of arrangement groove both sides outer wall near top department, and bonds on the inner wall of mounting groove one side and has connected spring, connected spring one end sets firmly the bolt of slip grafting in the mounting groove inside.

Furthermore, a slot is formed in the outer wall of the bottom of the dental crown, limiting grooves are formed in the inner walls of two sides of the slot in a viewing mode, the rod body is inserted into the slot, the bolt is inserted into the limiting grooves, and glue is filled into the slot.

In the above technical solution, the utility model provides a combined denture structure, (1) through the key head and the key groove, when the abutment is installed on the implant, the design of the key head and the key groove can improve the axial rotation resistance between the abutment and the implant, and improve the retention effect between the abutment and the implant; (2) Through the arrangement of the threaded rod and the threaded groove, the threaded rod is matched with the threaded groove, so that the self-locking function between the implant and the base station can be improved, the fastening degree among the shell, the base station and the implant is improved, and the false tooth is prevented from loosening and falling off among the shell, the base station and the implant when being subjected to large force; (3) Through the bolt, spacing groove and the slot that set up, when the dental crown atress on the artificial tooth is broken, can insert the injecting glue through needle-like instrument, then extrude the slider for the slider is not at the restriction bolt, makes inside the bolt withdrawal mounting groove under the coupling spring effect, so that remove the body of rod on limit structure to dental crown spacing, thereby be convenient for take off the dental crown that more renews.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a combined denture structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of an implant structure provided in an embodiment of the combined denture structure of the present invention.

Fig. 3 is a schematic view of a structure of a base station according to an embodiment of the present invention.

Fig. 4 is a schematic view of a dental crown structure provided in an embodiment of the combined denture structure of the present invention.

Fig. 5 is a schematic view of a shell structure provided in an embodiment of the combined denture structure of the present invention.

Fig. 6 is a sectional view of a rod structure provided in an embodiment of the combined denture structure of the present invention.

Description of reference numerals:

1. an implant; 2. a base station; 3. a housing; 4. a crown of a tooth; 5. a threaded portion; 6. a key head; 7. a thread groove; 8. a keyway; 9. a through hole; 10. inserting grooves; 11. a threaded rod; 12. a rod body; 13. a slot; 14. a limiting groove; 15. injecting glue; 16. a placing groove; 17. a spring; 18. a slider; 19. mounting grooves; 20. a connecting spring; 21. and (4) a bolt.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-6, the embodiment of the utility model provides a combined denture structure, including implant 1, base station 2 has been cup jointed on implant 1 top, and it has casing 3 to peg graft on the outer wall of 2 tops of base station, and the joint has dental crown 4 on the outer wall of 3 tops of casing, and implant 1 side outer wall is close to bottom department and has seted up screw thread portion 5, and implant 1 top outer wall center department integrated into one piece has key head 6, and key head 6 top outer wall center department has seted up

thread groove

7, and 2 bottom outer wall centers of base station department has seted up keyway 8, and key head 6 pegs graft inside keyway 8.

Specifically, in this embodiment, including implant 1, base station 2 has been cup jointed on implant 1 top, and it has casing 3 to peg graft on the outer wall of base station 2 top, the joint has dental crown 4 on the outer wall of casing 3 top, dental crown 4, casing 3, base station 2 and implant 1 can constitute a combination artificial tooth, implant 1 side outer wall is close to bottom department and has seted up screw thread portion 5, screw thread portion 5 is convenient for implant 1 to fasten on the gum, implant 1 top outer wall center department integrated into one piece has key head 6, key head 6 is convenient for cooperate keyway 8 to make base station 2 fix on implant 1, and key head 6 top outer wall center department has seted up thread groove 7, thread groove 7 is convenient for make threaded rod 11 peg graft on

key head

6, 2 bottom outer wall center department of base station has seted up keyway 8, keyway 8 is convenient for key head 6 to peg graft on base station 2, key head 6, keyway 8's design can improve the anti axial rotation nature between base station 2 and implant 1, base station 2 rotates on implant 1 when avoiding eating casing 3 atress.8 keyway 6 is inside the key groove.

The utility model provides a pair of modular artificial tooth structure when installing base station 2 on implant 1, the anti axial rotation nature between base station 2 and the implant 1 can be improved in the design of key head 6, keyway 8, improves the maintenance effect of base station 2 and implant 1.

The utility model provides a further embodiment, as shown in fig. 3, base station 2 top outer wall center department has seted up through-hole 9, and through-hole 9 is convenient for threaded rod 11 to pass through-hole 9 for threaded rod 11 installs inside thread groove 7, and through-hole 9 link up each other with keyway 8.

In another embodiment, as shown in fig. 5, the insertion groove 10 is provided on the outer wall of the bottom of the casing 3, the base platform 2 is conveniently mounted on the casing 3 through the insertion groove 10, and the top end of the base platform 2 is inserted into the insertion groove 10.

The utility model provides a in another embodiment, as shown in fig. 4, 3 inside pegs graft there is the body of rod 12 of grafting in inserting groove 10 inside of casing, the body of rod 12 is convenient for fix a position 4 joints of dental crown when casing 3 is gone up, and body of rod 12 bottom integrated into one piece has the threaded rod 11 that passes through-hole 9, threaded rod 11 cooperation thread groove 7 can improve the self-locking function between implant 1 and the base station 2, improve casing 3, the fastening degree between base station 2 and the implant 1, casing 3 when avoiding this artificial tooth to receive great dynamics, not hard up between base station 2 and the implant 1 and drop, 11 bottom threaded connection of threaded rod are inside thread groove 7.

The utility model provides a further embodiment, as shown in fig. 6, the resettlement groove 16 has been seted up to body of rod 12 top outer wall one side, and resettlement groove 16 bottom inner wall bonds there is spring 17, spring 17 is convenient for extrude bolt 21 when making slider 18 do not receive the force, make bolt 21 peg graft inside spacing groove 14, spring 17 top bonds has slider 18, slider 18 can withstand bolt 21 under the effect of spring 17, thereby make bolt 21 peg graft inside spacing groove 14, make dental crown 4 fix on the body of rod 12.

The utility model provides a further embodiment, as shown in fig. 6, mounting groove 19 has all been seted up near top department to the outer wall of resettlement groove 16 both sides, mounting groove 19 is convenient for the installation and accomodates the structure that bolt 21 and coupling spring 20 constitute, and it has coupling spring 20 to bond on the inner wall of mounting groove 19 one side, coupling spring 20 can make bolt 21 withdraw inside mounting groove 19 under bolt 21 does not receive the extrusion of slider 18, coupling spring 20 one end sets firmly the bolt 21 of slip grafting inside mounting groove 19, bolt 21 can peg graft inside spacing groove 14 under the extrusion of slider 18, make dental crown 4 fix on the body of rod 12.

The utility model provides a further embodiment, as shown in fig. 4, slot 13 has been seted up on the outer wall of 4 bottoms of dental crown, slot 13 is convenient for make dental crown 4 install on body of rod 12 top, and slot 13 looks both sides inner wall and has all seted up spacing groove 14 on, spacing groove 14 is convenient for make bolt 21 peg graft at slot 13, body of rod 12 pegs graft inside slot 13, bolt 21 pegs graft inside spacing groove 14, slot 13 inside packing has injecting glue 15, injecting glue 15 is for changeing glue for example silica gel with the dentist trade, can cover slot 13.

The working principle is as follows: when the artificial tooth is used, the implant 1 can be fixed on a dental bed firstly, at the moment, the screw part 5 can enable the implant 1 to be fixed on the dental bed, then the base 2 and the shell 3 which are buckled together are buckled on the key head 6 through the key groove 8, then the rod body 12 is rotated, the threaded rod 11 is threaded inside the threaded groove 7, so that the structure formed by the base 2 and the shell 3 is fixed on the implant 1, then the dental crown 4 is buckled on the shell 3 through the matching of the slot 13 and the rod body 12, at the moment, a needle-shaped tool can be inserted into the slot 13 firstly, so that the tool presses the sliding block 18, the bolt 21 retracts into the mounting groove 19, so that the dental crown 4 is clamped on the rod body 12, then the pressing on the sliding block 18 is released, and then the sliding block 18 pushes the bolt 21 to move inside the mounting groove 19 under the action of the spring 17, thereby peg graft and make dental crown 4 fix on casing 3 inside spacing groove 14, later pour into the glue of speciality into to slot 13 inside again, make injecting glue 15 block up the one end of slot 13, later when the patient eats, because key head 6, the anti axial rotation nature between base station 2 and the implant 1 can be improved to the design of keyway 8, base station 2 rotates on implant 1 when avoiding eating casing 3 atress, later when dental crown 4 atress is broken, can insert in injecting glue 15 through needle instrument, then extrude slider 18, make slider 18 not at restriction bolt 21, make bolt 21 withdraw inside mounting groove 19 under the effect of coupling spring 20, so that it is spacing to dental crown 4 to relieve the upper limit structure of body of rod 12, thereby be convenient for take off more renewed dental crown 4 with dental crown 4.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a modular artificial tooth structure, includes implant (1), its characterized in that, implant (1) top has cup jointed base station (2), and has pegged graft on the outer wall of base station (2) top has casing (3), the joint has dental crown (4) on the outer wall of casing (3) top, implant (1) side outer wall is close to bottom department and has seted up screw thread portion (5), implant (1) top outer wall center department integrated into one piece has key head (6), and key head (6) top outer wall center department has seted up thread groove (7), base station (2) bottom outer wall center department has seted up keyway (8), key head (6) are pegged graft inside keyway (8).

2. The combined denture structure according to claim 1, wherein the top of the abutment (2) is provided with a through hole (9) at the center, and the through hole (9) and the key groove (8) are communicated with each other.

3. A combined denture structure according to claim 2, wherein the outer wall of the bottom of the shell (3) is provided with an insertion groove (10), and the top of the abutment (2) is inserted into the insertion groove (10).

4. A combined denture structure according to claim 3, wherein a rod body (12) inserted into the insertion groove (10) is inserted into the shell (3), and a threaded rod (11) passing through the through hole (9) is integrally formed at the bottom end of the rod body (12), and the bottom end of the threaded rod (11) is screwed into the threaded groove (7).

5. The combined denture structure according to claim 4, wherein a placement groove (16) is formed in one side of the outer wall of the top of the rod body (12), a spring (17) is bonded to the inner wall of the bottom of the placement groove (16), and a sliding block (18) is bonded to the top end of the spring (17).

6. The combined denture structure according to claim 5, wherein the outer walls of the two sides of the placement groove (16) are provided with mounting grooves (19) near the top, a connecting spring (20) is bonded on the inner wall of one side of the mounting groove (19), and one end of the connecting spring (20) is fixedly provided with a plug pin (21) which is inserted into the mounting groove (19) in a sliding manner.

7. The combined denture structure according to claim 6, wherein a slot (13) is formed in the outer wall of the bottom of the dental crown (4), a limit groove (14) is formed in each of the inner walls of the two opposite sides of the slot (13), the rod body (12) is inserted into the slot (13), the plug pin (21) is inserted into the limit groove (14), and the slot (13) is filled with the glue (15).