CN213489439U

CN213489439U - Detachable 3D prints artificial tooth

Info

Publication number: CN213489439U
Application number: CN202021833548.1U
Authority: CN
Inventors: 任才玲
Original assignee: Zhejiang Mali Denture Co ltd
Current assignee: Zhejiang Mali Denture Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-22
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a detachable 3D prints artificial tooth, including the radicle seat, the dental crown, the top surface of radicle seat is equipped with the lug, the dental crown is equipped with the recess of cooperation lug, the left and right sides of recess is equipped with the extension, and equal sliding connection has L type piece in two extensions, the vertical part of L type piece is equipped with the threading through-hole, and wear to be equipped with one and act as go-between at the threading through-hole of two L type pieces, the side is equipped with the socket of the horizontal part of cooperation L type piece about the lug, the bottom surface of dental crown is equipped with a circle of groove, the top surface of radicle seat is equipped with the spacing arch of round cooperation groove, the radicle seat still is equipped with wire casing one at spacing protruding first half, spacing bellied left and right sides still is equipped with the breach that supplies to act as go-between, do not drive L type piece removal after straining, fixed radicle seat and dental crown.

Description

Detachable 3D prints artificial tooth

Technical Field

The utility model relates to an artificial tooth field, in particular to detachable 3D prints artificial tooth.

Background

The false tooth is a false tooth, generally, when a patient needs to remove the tooth due to the situations of decayed teeth, decayed teeth and the like or the old people have teeth to fall off, the false tooth is generally supplemented in order not to influence daily food intake, the 3D printing technology is rapidly developed at present, the false tooth adopting 3D printing is already available at present, the traditional false tooth is needed, the patient needs to bite a dental model, the false tooth is manufactured through the dental model, the 3D printing only needs to scan oral structures such as the teeth, the jaw bones and the like by using a scanner, a three-dimensional digital model is established, and then data is imported into a 3D printer, so that the efficiency is high, and the matching degree.

However, the conventional denture can be made of alloy materials, such as cobalt-chromium alloy, the 3D printed denture is generally made of printed resin, and although porcelain and glaze are formed on the surface of the 3D printed denture, the 3D printed denture is not as durable as the conventional denture, particularly the wear of the dental crowns, and when the dental crowns are worn, the whole denture needs to be replaced, so that the replacement is inconvenient and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detachable 3D prints artificial tooth, the dental crown can be dismantled in the root of a tooth seat, has advantages such as convenient change, reduction artificial tooth use cost.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a detachable 3D prints artificial tooth, includes root seat, dental crown, the top surface of root seat is equipped with the lug, dental crown is equipped with the recess of cooperation lug, the left and right sides of recess is equipped with the extension to equal sliding connection has L type piece in two extensions, the vertical part of L type piece is equipped with the threading through-hole to the threading through-hole of two L type pieces wears to be equipped with one and acts as go-between, the side is equipped with the socket of the horizontal part of cooperation L type piece about the lug, the bottom surface of dental crown is equipped with the round draw-in groove, the top surface of root seat is equipped with the spacing arch of round cooperation draw-in groove, the root seat still is equipped with wire casing one in spacing protruding first half, spacing bellied left and right sides still is equipped with the breach that supplies to act.

By adopting the technical scheme, the two ends of the stay wire are simultaneously tightened, under the action of the stay wire, the two L-shaped blocks are drawn close to the convex block, the inner side surfaces of the vertical parts of the last two L-shaped blocks are attached to the left side surface and the right side surface of the convex block, the horizontal part of the L-shaped block is inserted into the socket, the top surface of the convex block is attached to the top surface of the groove, the limiting protrusion is matched with the clamping groove, the dental crown and the dental root body are matched, and the two ends of the stay wire enter the first wire groove from the limiting protrusion gap and are.

Preferably, the top surface of the horizontal part of the L-shaped block is inclined, the height of the side close to the projection is lower, and the top surface of the socket is also inclined in a matching manner.

By adopting the technical scheme, after the pull wire is cut off, in the process that the dental crown moves upwards, the top surface of the horizontal part of the L-shaped block props against the top surface of the socket, the horizontal part of the L-shaped block is subjected to a force vertical to the inclined top surface, the force has a component force in the horizontal direction, so that the L-shaped block moves outwards, finally, the L-shaped block moves back to the extension part, and the horizontal part of the L-shaped block just completely leaves the socket.

Preferably, the top of the outer wall of the front side of the dental root seat is provided with a first notch, the bottom of the outer wall of the front side of the dental crown is provided with a second notch, and the first notch and the second notch are connected with blocking pieces.

By adopting the technical scheme, the retaining sheet can ensure that the matching of the dental crown and the dental root seat is more stable on one hand, and the knotted part of the stayguy is protected on the other hand.

Preferably, the first notch and the second notch are provided with insertion holes, and the blocking piece is provided with an insertion column.

By adopting the technical scheme, the blocking piece is detachably connected with the tooth root seat and the tooth crown.

Preferably, the top surface of the bump is provided with a second wire groove matched with the pull wire.

By adopting the technical scheme, the stay wire is kept stable, the stay wire is prevented from being extruded and worn by the convex block and the groove, and the stay wire is protected.

Preferably, the front wall and the rear wall of the extension part are provided with protrusions, and the front surface and the rear surface of the L-shaped block are provided with matched sliding grooves.

By adopting the technical scheme, the sliding connection between the L-shaped block and the extension part is realized.

Preferably, the threading through hole is L-shaped, and the threading hole penetrates out of the outer side face of the L-shaped block.

By adopting the technical scheme, the direction of the stay wire is changed.

Drawings

FIG. 1 is a schematic view of a combination of a root seat, a crown and a flap according to an embodiment;

FIG. 2 is a schematic view of the combination of a tooth root seat and a tooth crown according to the embodiment.

The attached drawings are marked as follows: 1. a root seat; 11. a bump; 12. a limiting bulge; 121. a notch; 13. a first notch; 14. a first wire slot; 2. a crown of a tooth; 21. a groove; 211. an extension; 212. a protrusion; 22. a card slot; 23. a second notch; 3. an L-shaped block; 31. threading holes; 32. a chute; 4. a pull wire; 5. a baffle plate.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 and 2, a detachable 3D printing denture comprises a root base 1 and a dental crown 2, wherein the top surface of the root base 1 is in a flat state, a convex block 11 is arranged at the center of the top surface of the root base 1, the bottom surface of the dental crown 2 is also in a flat state, a groove 21 matched with the convex block 11 is arranged at the center of the bottom surface of the dental crown 2, and extension parts 211 are arranged at the left side and the right side of the groove 21, namely the length of the groove 21 in the left-right direction is larger than that of the convex block 11.

The L-shaped blocks 3 are connected in the two extending portions 211 in a sliding mode, each L-shaped block 3 comprises a vertical portion and a horizontal portion facing the corresponding protruding block 11, a protrusion 212 is arranged on the front wall and the rear wall of each extending portion 211, the front face and the rear face of each vertical portion of each L-shaped block 3 are provided with matched sliding grooves 32, the L-shaped blocks 3 can only slide left and right along the protrusions 212 in the extending portions 211, each vertical portion of each L-shaped block 3 is further provided with a threading through hole which is also L-shaped, the threading holes 31 penetrate out of the outer side faces of the L-shaped blocks 3, the threading through holes of the two L-shaped blocks 3 are provided with one pull wire 4 in a penetrating mode, two ends of each pull wire 4 penetrate through the top faces of the two L-shaped.

The left side and the right side of the convex block 11 are provided with sockets matched with the horizontal part of the L-shaped block 3, the top surface of the horizontal part of the L-shaped block 3 is in an inclined state, and the height of one side close to the convex block 11 is lower, therefore, the top surface of the socket is also in a matched inclined state, so that the two ends of the stay wire 4 are tightened simultaneously, under the action of the stay wire 4, the two L-shaped blocks 3 are drawn close to the convex block 11, the inner side surfaces of the vertical parts of the two L-shaped blocks 3 are jointed with the left side and the right side surfaces of the convex block 11, the horizontal part of the L-shaped block 3 is inserted into the socket, the top surface of the convex block 11 is jointed with the top surface of the groove 21, so that the dental crown 2 is matched with the dental root body, the top surface of the convex block 11 is provided with a second slot matched with the stay wire 4, so that the stay wire 4 is gradually straightened in the process of, the lug 11 and the groove 21 are also prevented from extruding and wearing the stay wire 4, and the stay wire 4 is protected.

The following steps: the left side and the right side of the groove 21 are provided with the extending parts 211, namely the length of the groove 21 in the left and right directions is larger than the protruding part 11, after the protruding part 11 is matched with the groove 21, the left and the right directions of the dental crown 2 are unstable, so the bottom surface of the dental crown 2 is provided with a circle of clamping grooves 22, the top surface of the corresponding dental root seat 1 is provided with a circle of limiting protrusions 12 matched with the clamping grooves 22, the dental root seat 1 is further provided with a first wire groove 14 in the front half part of the limiting protrusions 12, the left and the right sides of the limiting protrusions 12 are further provided with notches 121 for the pull wire 4 to pass through, and the notches 121 penetrate through the upper end of the limiting protrusions 12, so that before the dental crown 2 is matched with the dental root seat 1, the pull wire 4 firstly penetrates through the two ends of the L-shaped block 3 and.

In the main view direction, the bottom of the gap 121 is lower than the horizontal part of the threading hole 31, the left and right positions of the dental crown 2 at the inner side of the limiting groove are provided with semicircular grooves matched with the stay wires 4, and the semicircular grooves are communicated with the extending part 211, so that the stay wires 4 are not contacted with the bottom of the gap 121 and the bottom surface of the dental crown 2 after being straightened, the abrasion of the stay wires 4 is reduced, the first thread groove 14 is also arranged at the front half part of the limiting bulge 12 of the dental root seat 1, and the two ends of the stay wires 4 penetrate through the limiting bulge 12 and then enter the first thread groove 14.

The top of the outer wall of the front side of the tooth root seat 1 is provided with a notch I13, the depth of the notch I13 exceeds the slot I14, namely the notch I13 breaks the slot I14 into a left part and a right part, two ends of the pull wire 4 enter the notch I13 from the left part and the right part of the slot I14, the pull wire 4 is straightened to ensure that the dental crown 2 is matched with the dental root body, then two ends of the pull wire 4 are knotted and fixed, the redundant part of the pull wire 4 which is knotted is cut off, the bottom of the outer wall of the front side of the dental crown 2 is provided with a notch II 23, the notch I13 and the notch II 23 are provided with jacks, the notch I13 and the notch II 23 are connected with a baffle 5, the baffle 5 is provided with two inserting columns, the baffle 5 can ensure that the dental crown 2 is matched with the tooth root seat 1 more stably on one hand, on the other hand, the knotted part of the pull wire 4 is protected, the notch I13, the first notch 13, the second notch 23, the baffle 5 and the like can also be arranged at the back sides of the dental crown 2 and the dental root seat 1, so that the aesthetic property of the false tooth is improved, but the baffle 5 is difficult to pry open, and the two modes can be decided by a patient before the false tooth is printed and manufactured.

When the dental crown 2 is worn and needs to be replaced, the blocking piece 5 is pried open, the knotted part of the pull wire 4 in the notch I13 is cut off by the cutter, so that the limitation of the left-right sliding of the two L-shaped blocks 3 is cancelled, and the dental crown 2 is moved upwards because of the following reasons: the top surface of the horizontal part of the L-shaped block 3 is in an inclined state, and the height of one side close to the convex block 11 is lower, so that the top surface of the socket is also in a matched inclined state, so that in the process of upward movement of the dental crown 2, the top surface of the horizontal part of the L-shaped block 3 is abutted against the top surface of the socket, the horizontal part of the L-shaped block 3 is subjected to a force vertical to the inclined top surface, the force has a component force in the horizontal direction, the L-shaped block 3 moves outwards, finally, the L-shaped block 3 moves back to the extending part 211, the horizontal part of the L-shaped block 3 just leaves the socket completely, a new dental crown 2 and a new guy wire 4 are replaced, the guy wire 4 is threaded again.

Claims

1. A detachable 3D printing false tooth comprises a tooth root seat (1) and a tooth crown (2), and is characterized in that a convex block (11) is arranged on the top surface of the tooth root seat (1), the tooth crown (2) is provided with a groove (21) matched with the convex block (11), extending parts (211) are arranged on the left side and the right side of the groove (21), an L-shaped block (3) is connected in the two extending parts (211) in a sliding manner, a threading through hole is formed in the vertical part of the L-shaped block (3), a pull wire (4) is arranged in the threading through holes of the two L-shaped blocks (3), sockets matched with the horizontal part of the L-shaped block (3) are arranged on the left side and the right side of the convex block (11), a circle of clamping grooves (22) are arranged on the bottom surface of the tooth crown (2), a circle of limiting bulge (12) matched with the clamping grooves (22) is arranged on the top surface of the tooth root seat (1), and a line groove (14) is also, the left side and the right side of the limiting bulge (12) are also provided with notches (121) for the stay wire (4) to pass through.

2. A detachable 3D printed denture according to claim 1, wherein the top surface of the horizontal part of the L-shaped block (3) is inclined, and the side near the projection (11) is lower, and the top surface of the socket is also inclined.

3. The detachable 3D printing denture according to claim 1, wherein a first notch (13) is formed in the top of the outer wall of the front side of the dental root seat (1), a second notch (23) is formed in the bottom of the outer wall of the front side of the dental crown (2), and blocking pieces (5) are connected to the first notch (13) and the second notch (23).

4. A detachable 3D printed denture according to claim 3, wherein the first notch (13) and the second notch (23) are provided with insertion holes, and the blocking piece (5) is provided with insertion posts.

5. The detachable 3D-printed denture according to claim 1, wherein a second line groove matched with the pull line (4) is formed on the top surface of the projection (11).

6. The detachable 3D printing denture according to claim 1, wherein the front wall and the rear wall of the extension part (211) are provided with protrusions (212), and the front surface and the rear surface of the L-shaped block (3) are provided with matched sliding grooves (32).

7. A detachable 3D printed denture according to claim 1, wherein the threading through hole is L-shaped, and the threading hole (31) penetrates out from the outer side of the L-shaped block (3).