Titanium alloy dental implant machinable abutment column

Abstract

The machinable abutment column comprises an abutment column body used for connecting an implant and a dental crown, the abutment column body comprises an insertion column and a limiting round block which are fixedly connected, and a fixed round block and a convex column which are fixedly connected, and a clamping column is fixed at the central position of the bottom surface of the limiting round block; the outer cutting sleeve comprises an inner titanium alloy net layer and an inner titanium alloy cylinder layer which are fixedly connected, and an outer cutting layer arranged on the outer sides of the inner titanium alloy net layer and the inner titanium alloy cylinder layer; the designed outer cutting sleeve is composed of an outer cutting layer, an inner titanium alloy net layer and an inner titanium alloy cylinder layer, and the outer cutting layer is made of a composite material composed of glass fibers and a resin matrix, so that the outer cutting layer can be conveniently cut by a cutter, and the surface shape of the outer cutting layer is attached to gingival tissue and a dental crown; the effect of limiting the insertion column is achieved, the insertion column is prevented from loosening, and the connection between the abutment column body and the implant is further reinforced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental implant tooth technical field, concretely relates to a titanium alloy implant tooth with cuttable base pillar. BACKGROUND

[0002] Dental implant, namely implant tooth, is oral cavity repair technology, is used for repairing missing tooth, mainly includes implant, base and crown. Implant tooth implantation process is, through surgical operation mode, artificial implant is implanted in the alveolar bone of tooth loss area, after a period of time, implant and alveolar bone form firm bone combination, then install base, crown. Base is also called base pillar, and base pillar is usually columnar structure, and two ends are connected with implant and crown respectively, and commonly used metal material of implant tooth and base has titanium and titanium alloy;

[0003] Base is connected with implanted implant, patient gum tissue is attached with base, base is adapted with crown, and different patients are faced, and the gum height, thickness and morphology of each person are different, so that base is cut, and the morphology is matched with patient gum tissue and crown, and base is usually made of titanium alloy material, and is made of metal material, and the strength is higher, so that cutting is time-consuming and laborious, and there is no design on the surface of base for facilitating tool chip removal, so that the surface morphology is changed, and there is a deficiency;

[0004] The existing implant tooth implantation has the problem that there is no design on the surface of titanium alloy base for facilitating tool chip removal, so that the surface morphology is changed, and therefore the titanium alloy implant tooth with cuttable base pillar is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a titanium alloy implant tooth with cuttable base pillar to solve the problem of no design on the surface of titanium alloy base for facilitating tool chip removal and changing the surface morphology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a titanium alloy implant tooth with cuttable base pillar, comprising

[0007] The base pillar body for connecting implant and crown comprises fixedly connected plug-in column and defined circular block, fixedly connected fixed circular block and convex column, and the center position of the bottom surface of the defined circular block is fixedly provided with clamping column;

[0008] The outer cutting sleeve is sleeved on the outer side of the base pillar body, and comprises fixedly connected inner titanium alloy mesh layer and inner titanium alloy cylinder layer, and outer cutting layer arranged on the outer side of the inner titanium alloy mesh layer and the inner titanium alloy cylinder layer, and the inner surface of the inner titanium alloy mesh layer is fixedly provided with limiting plate;

[0009] The reinforcing piece connected with the insertion column comprises a fixedly connected limiting cylinder and connecting column, and locking plates symmetrically distributed on the outer surface of the limiting cylinder, wherein the locking plates are provided with protrusions.

[0010] Preferably, the cross section of the inner titanium alloy mesh layer and the outer cutting layer is stepped.

[0011] Preferably, the top surface of the convex column is provided with an inner recessed ring groove a, and the inner titanium alloy cylinder layer is provided with a fixing ring embedded in the ring groove a.

[0012] Preferably, the outer surface of the limiting block is provided with a limiting groove, and the inner side wall of the inner titanium alloy mesh layer is provided with a limiting plate matched with the limiting groove.

[0013] Preferably, the limiting cylinder is a cylinder structure with a hollow interior and a sealed end, and the connecting column is connected with the sealed end of the limiting cylinder.

[0014] Preferably, the outer diameter of the clamping column is the same as the inner diameter of the limiting cylinder, the connecting column is connected with the implant through thread screwing, and the insertion column is connected with the implant through thread screwing.

[0015] Preferably, the locking plate is an L-shaped structure, the inner side wall of the insertion column is provided with an inner recessed groove b, the protrusion is matched with the corresponding groove b, the protrusion is a right triangle three-dimensional structure, and the right angle positions of the locking plate and the protrusion are circular arc shapes.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. In the utility model, the outer cutting sleeve is composed of an outer cutting layer, an inner titanium alloy mesh layer and an inner titanium alloy cylinder layer, the outer cutting layer is made of a composite material composed of glass fibers and a resin matrix, and the surface morphology of the outer cutting layer is suitable for cutting with a tool, so that the surface morphology of the outer cutting layer is suitable for the gum tissue and the crown.

[0018] 2. In the utility model, the reinforcing piece is designed, the protrusion is embedded in the inner part of the insertion column, the function of limiting the insertion column is achieved, the insertion column is prevented from loosening, and the connection between the abutment column body and the implant is further reinforced, BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a sectional view structural schematic view of the outer cutting sleeve of the utility model;

[0021] Figure 3 It is a front view structural schematic view of the inner titanium alloy mesh layer of the utility model;

[0022] Figure 4 is a schematic diagram of the three-dimensional structure of the base column body of the utility model;

[0023] Figure 5 is a schematic diagram of the sectional structure of the top end of the base column body and the implant of the utility model;

[0024] Figure 6 is a schematic diagram of the Figure 5 structure of the enlarged A part of the utility model;

[0025] In the figure: 1, implant; 2, base column body; 3, outer cutting sleeve; 4, crown; 21, insertion column; 22, limiting round block; 23, fixed round block; 24, convex column; 25, clamping column; 31, inner titanium alloy mesh layer; 32, inner titanium alloy cylinder layer; 33, outer cutting layer; 34, limiting plate; 61, limiting cylinder; 62, connecting column; 63, locking plate; 221, limiting groove; 321, fixed ring; 631, protrusion. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1 to 6The utility model provides a technical scheme: a cutting base post for titanium alloy implant tooth, including the base post body 2 for connecting implant 1 and dental crown 4, the base post body 2 is connected through the thread screwing with implant 1, and the dental crown 4 is firm with the base post body 2 through the adhesive, and the base post body 2 includes fixedly connected plug-in post 21 and the defined round block 22, fixedly connected fixed round block 23 and convex post 24, and the plug-in post 21 and the defined round block 22 and fixed round block 23 and convex post 24 are integrally cast into shape, the defined round block 22 bottom surface center position is fixed with the clamping post 25, and the clamping post 25 is welded into the whole structure with the defined round block 22, the outer cutting sleeve 3 of the outer cutting sleeve 3 of the base post body 2 outside, including fixedly connected inner titanium alloy mesh layer 31 and inner titanium alloy cylinder layer 32, the outer cutting layer 33 of the outer cutting layer 33 of inner titanium alloy mesh layer 31 and inner titanium alloy cylinder layer 32 outside, the outer cutting layer 33 is made of the composite material of glass fiber and resin matrix, and the outer cutting layer 33 is cut by the cutter, so that its surface morphology is attached gum tissue and dental crown 4, the inner titanium alloy mesh layer 31 and inner titanium alloy cylinder layer 32 are made of titanium alloy material, and the outer cutting layer 33 is supported and fixed, and the inner surface of inner titanium alloy mesh layer 31 is fixed with the defined plate 34, the defined plate 34 is fixed with inner titanium alloy mesh layer 31 through welding, the defined plate 34 is embedded in the inside of the outer surface of the defined round block 22, and the defined plate 34 is positioned, so that the position of the outer cutting sleeve 3 is installed accurately, the reinforcing part is combined with the plug-in post 21, including fixedly connected defined cylinder 61 and connecting column 62, and the locking plate 63 is symmetrically distributed on the outer surface of the defined cylinder 61, the number of locking plate 63 can be designed according to actual conditions, the locking plate 63 is made of metal material with certain elasticity, the connecting column 62 is connected through the thread screwing with implant 1, the locking plate 63 is provided with the convex 631, when the plug-in post 21 is connected with implant 1, the plug-in post 21 is screwed into the inside of implant 1, the end of plug-in post 21 extrudes the convex 631, so that the locking plate 63 is inclined, that is, the locking plate 63 is elastically deformed, the locking plate 63 generates the resilience of reset, when the plug-in post 21 is completely inserted into implant 1, the locking plate 63 is reset under the action of resilience and is inclined to one side, the convex 631 is embedded in the inside of plug-in post 21, and the effect of limiting plug-in post 21 is achieved, avoiding the loosening of plug-in post 21.

[0028] In the embodiment, the cross section of the inner titanium alloy mesh layer 31 and the outer cutting layer 33 is stepped, the inner titanium alloy mesh layer 31 and the outer cutting layer 33 cooperate with the shape of the abutment column body 2, the top surface of the convex column 24 is provided with an inner recessed ring groove a, the inner titanium alloy cylindrical layer 32 is provided with a fixing ring 321 embedded in the ring groove a, the inner titanium alloy cylindrical layer 32 is sleeved on the outer side of the abutment column body 2, the fixing ring 321 is embedded in the inside of the abutment column body 2, so that the outer cutting sleeve 3 is combined with the abutment column body 2 closely, the outer surface of the circular block 22 is provided with a limiting groove 221, the inner side wall of the inner titanium alloy mesh layer 31 is provided with a limiting plate 34, the limiting plate 34 cooperates with the limiting groove 221, the limiting plate 34 is embedded in the inside of the outer surface of the circular block 22, the limiting plate 34 is positioned, so that the position of the outer cutting sleeve 3 is installed accurately.

[0029] In the embodiment, the limiting cylinder 61 is a cylinder structure with an inner hollow and one end sealed, the connecting column 62 is connected with the sealed end of the limiting cylinder 61, the outer diameter of the clamping column 25 is same with the inner diameter of the limiting cylinder 61, the connecting column 62 is connected with the implant 1 through thread screwing, the inserting column 21 is connected with the implant 1 through thread screwing, the connecting column 62 is fixed with the implant 1 as an integral structure, and the limiting cylinder 61 limits the clamping column 25.

[0030] In the embodiment, the locking plate 63 is an L-shaped structure, the inner side wall of the inserting column 21 is provided with an inner recessed groove b, the protrusion 631 cooperates with the corresponding groove b, the protrusion 631 is embedded in the inside of the inserting column 21, the effect of limiting the inserting column 21 is achieved, and the inserting column 21 is prevented from loosening, the protrusion 631 is a right triangle three-dimensional structure, the right angle positions of the locking plate 63 and the protrusion 631 are circular arc shapes which are rounded, and the locking plate 63 is beneficial to be deflected to one side after being subjected to a force.

[0031] The working principle and use process of the utility model are as follows:

[0032] When the dental implant is implanted, a hole is drilled on the alveolar bone, the implant 1 is implanted on the alveolar bone, the abutment column body 2 is connected with the implant 1 through thread screwing, and the dental crown 4 is firmly connected with the abutment column body 2 through an adhesive;

[0033] When the abutment column body 2 is assembled, the connecting column 62 is connected with the implant 1 through thread screwing;

[0034] When the abutment column body 2 is screwed into the implant 1, the end of the inserting column 21 extrudes the protrusion 631, the locking plate 63 is inclined, the elastic deformation of the locking plate 63 occurs, and the restoring force of the locking plate 63 is generated;

[0035] When the inserting column 21 is completely inserted into the implant 1, the locking plate 63 which is inclined to one side is reset under the action of the restoring force, the protrusion 631 is embedded in the inside of the inserting column 21, the effect of limiting the inserting column 21 is achieved, the inserting column 21 is prevented from loosening, and the connection between the abutment column body 2 and the implant 1 is further reinforced;

[0036] The outer cutting sleeve 3 is arranged outside the abutment cylinder 2, the limiting plate 34 is embedded inside the outer surface of the limiting circular block 22, the limiting plate 34 is positioned to accurately install the position of the outer cutting sleeve 3, the outer cutting layer 33 is made of a composite material composed of glass fiber and resin matrix, which is beneficial to cutting the outer cutting layer 33 by a tool, so that the surface morphology is fitted to the gum tissue and the dental crown 4;

[0037] In summary, the application provides an abutment cylinder 2 design which can conveniently cut the titanium alloy abutment surface to change the surface morphology, the outer side of the abutment cylinder 2 is provided with an outer cutting sleeve 3, the outer cutting sleeve 3 is composed of an outer cutting layer 33, an inner titanium alloy mesh layer 31 and an inner titanium alloy cylindrical layer 32, the outer cutting layer 33 is made of a composite material composed of glass fiber and resin matrix, which is beneficial to cutting the outer cutting layer 33 by a tool, so that the surface morphology is fitted to the gum tissue and the dental crown 4.

[0038] Although the embodiments of the present application have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A titanium alloy abutment post for a dental implant, characterized in that: Comprising The abutment column (2) for connecting the implant (1) and the crown (4), the abutment column (2) comprises the fixedly connected insertion column (21) and the defined circular block (22), the fixedly connected fixed circular block (23) and the convex column (24), the center position of the bottom surface of the defined circular block (22) is fixed with the clamping column (25); The outer cutting sleeve (3) sleeved outside the abutment column (2) comprises the fixedly connected inner titanium alloy mesh layer (31) and the inner titanium alloy cylinder layer (32), the outer cutting layer (33) arranged outside the inner titanium alloy mesh layer (31) and the inner titanium alloy cylinder layer (32), the inner surface of the inner titanium alloy mesh layer (31) is fixedly connected with the limiting plate (34); The reinforcing part combined with the insertion column (21) comprises the fixedly connected defined cylinder (61) and the connecting column (62), the locking plate (63) symmetrically distributed on the outer surface of the defined cylinder (61), and the convex (631) provided on the locking plate (63).

2. The titanium alloy abutment post according to claim 1, wherein: The cross section of the inner titanium alloy mesh layer (31) and the outer cutting layer (33) is stepped.

3. The titanium alloy abutment post according to claim 1, wherein: The top surface of the convex column (24) is provided with an inner recessed ring groove a, and the inner titanium alloy cylinder layer (32) is provided with a fixed ring (321) embedded in the ring groove a.

4. The titanium alloy abutment post according to claim 1, wherein: The outer surface of the defined circular block (22) is provided with a defined groove (221), and the inner side wall of the inner titanium alloy mesh layer (31) is provided with a defined plate (34), and the defined plate (34) is matched with the defined groove (221).

5. The titanium alloy abutment post according to claim 1, wherein: The defined cylinder (61) is a cylinder structure with hollow inside and one end sealed, and the connecting column (62) is connected with the sealed end of the defined cylinder (61).

6. The titanium alloy abutment post according to claim 1, wherein: The outer diameter of the clamping column (25) is the same as the inner diameter of the defined cylinder (61), the connecting column (62) is connected with the implant (1) by thread screwing, and the insertion column (21) is connected with the implant (1) by thread screwing.

7. The titanium alloy abutment post according to claim 1, wherein: The locking plate (63) is an "L" type structure, the inner side wall of the insertion column (21) is provided with an inner recessed groove b, the convex (631) is matched with the corresponding groove b, the convex (631) is a right triangle three-dimensional structure, and the right angle positions of the locking plate (63) and the convex (631) are circular arc shapes.

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