阅读说明：本技术 一种种植牙结构及其制作方法 (Implant structure and manufacturing method thereof ) 是由 王成勇 陈俊彦 罗建棱 于 2020-12-11 设计创作，主要内容包括：本发明涉及种植牙技术领域,提供一种种植牙结构及其制作方法,所述种植牙结构包括包括牙冠、基台和种植体,所述基台包括缓冲层和承载层,所述缓冲层为编织碳纤维缓冲层且与牙冠连接,所述承载层与种植体连接。本发明提供的一种种植牙结构中的基台包括缓冲层和承载层,缓冲层为牙冠和种植体提供了缓冲,分散了牙冠与种植体的受力,缓冲层为编织碳纤维缓冲层,编织碳纤维缓冲层的吸能效应使得种植体的受力减少,提高了种植体的使用寿命,编织碳纤维材料轻盈,使得种植牙结构的重量更轻。(The invention relates to the technical field of implant, and provides an implant structure and a manufacturing method thereof. The abutment in the dental implant structure provided by the invention comprises the buffer layer and the bearing layer, the buffer layer provides buffer for the dental crown and the implant, the stress of the dental crown and the implant is dispersed, the buffer layer is the woven carbon fiber buffer layer, the stress of the implant is reduced due to the energy absorption effect of the woven carbon fiber buffer layer, the service life of the implant is prolonged, and the woven carbon fiber material is light, so that the weight of the dental implant structure is lighter.)

1. The utility model provides a planting tooth structure, includes dental crown, base station and implant, its characterized in that: the abutment comprises a buffer layer and a bearing layer, wherein the buffer layer is a woven carbon fiber buffer layer and is connected with the dental crown, and the bearing layer is connected with the implant.

2. A dental implant structure as in claim 1, wherein: the thickness of the woven carbon fiber buffer layer is 20% -30% of that of the base platform.

3. A dental implant structure as in claim 1, wherein: the buffer layer is provided with a first clamping block, and the dental crown is provided with a first clamping groove matched with the first clamping block; the bearing layer is provided with a second clamping block, and the implant is provided with a second clamping groove matched with the second clamping block.

4. A dental implant structure according to claim 3, wherein: the outside of first fixture block and second fixture block is equipped with first bolster and second bolster respectively, first bolster, second bolster are one or more in spring, foam and the sponge.

5. A dental implant structure as in claim 1, wherein: the bearing layer is a titanium or titanium alloy material layer, and the thickness of the bearing layer is 20% -30% of that of the base platform.

6. A dental implant structure as in claim 1, wherein: a connecting layer is arranged between the buffer layer and the bearing layer, the connecting layer is a composite material of multiple layers of carbon fiber and titanium or a composite material of multiple layers of carbon fiber and titanium alloy, and the thickness of the connecting layer is 40% -55% of that of the base.

7. A dental implant structure according to claim 6, wherein: the content of the carbon fiber in the connecting layer is reduced in a gradient manner, and the content of the titanium or the titanium alloy in the connecting layer is increased in a gradient manner.

8. A dental implant structure according to claim 6 or 7, wherein: the woven carbon fiber buffer layer, the connecting layer and the bearing layer are all of a multilayer structure, the single-layer thickness of the woven carbon fiber buffer layer is 50-100 mu m, the single-layer thickness of the connecting layer is 100-200 mu m, and the single-layer thickness of the bearing layer is 100-200 mu m.

9. A method for manufacturing a dental implant structure, comprising: the method comprises the following steps:

s1, preparing a dental crown: modeling by 3D scanning and in 3 Shape;

s2, preparing a buffer layer: the buffer layer is a woven carbon fiber buffer layer, the woven carbon fiber buffer layer is subjected to three-dimensional modeling by matching with the inner surface of the crown, the buffer layer is manufactured by 3D printing and layer-by-layer superposition, a carbon fiber material is manufactured by a three-dimensional multidirectional weaving method, the included angle between weaving structures is 45-135 degrees, and the thickness of the woven carbon fiber buffer layer is 20-30% of that of the abutment;

s3, manufacturing a bearing layer: the bearing layer is a titanium or titanium alloy material compact structure layer and is manufactured layer by layer through a 3D printing technology, and the thickness of the bearing layer is 20% -30% of that of the base platform;

s4, manufacturing a connecting layer: the connecting layer is a multilayer carbon fiber material and titanium composite material or a multilayer carbon fiber and titanium alloy composite material layer, the carbon fiber material is sprayed out or extruded by a spray head, the titanium or titanium alloy material is sprayed out or extruded by another spray head, the content of the carbon fiber is reduced in a gradient manner, the content of the titanium or titanium alloy is increased in a gradient manner, and the thickness of the connecting layer is 40% -55% of the thickness of the base platform.

10. A method of fabricating a dental implant structure according to claim 9, wherein: the connecting layer in step S4 is normally embedded between the woven carbon fiber buffer layer and the carrier layer.

Technical Field

The invention relates to the technical field of dental implants, in particular to a dental implant structure and a manufacturing method thereof.

Background

Currently, dental implants are generally divided into three parts: implants, abutments and crowns. The implant is used for being implanted into a jawbone below a gum to play a bearing role, generally made of metal or ceramic materials, the abutment and the implant are connected through a clamping groove and are reinforced by screws, generally made of metal materials, the dental crown is a structure for performing a chewing function, and resin cement is bonded to the top of the abutment and generally made of ceramic or resin or metal materials. The crown and abutment of the conventional dental implant are directly connected to each other, and when strongly occluded or chewed once or more times, an occlusion force is generated, which is transmitted to the implant through a force transmission effect and causes a large pressure to the implant, and may cause a neck of the implant to be broken or cause a loss of adjacent body teeth. Therefore, the strength of the crown needs to be continuously improved to improve its life span.

Disclosure of Invention

One of the purposes of the invention is to provide a dental implant structure to avoid the defects in the prior art, solve the problem of damage caused by directly impacting an implant or a dental crown for many times or one time in the prior art, and improve the phenomena of implant fracture or dental crown disintegration. It is another object of the present invention to provide a method for manufacturing a dental implant structure, which can manufacture a dental implant structure with a cushioning effect.

One of the purposes of the invention is realized by the following technical scheme:

the utility model provides a planting tooth structure, includes dental crown, base station and implant, the base station includes buffer layer and bearer layer, the buffer layer is for weaving the carbon fiber buffer layer and be connected with the dental crown, the bearer layer is connected with the implant.

Further, the woven carbon fiber buffer layer is of a multilayer structure, and the thickness of the woven carbon fiber buffer layer is 20% -30% of that of the base.

Further, the buffer layer is provided with a first clamping block, the dental crown is provided with a first clamping groove matched with the first clamping block, the bearing layer is provided with a second clamping block, and the implant is provided with a second clamping groove matched with the second clamping block.

Further, the outside of first fixture block and second fixture block is equipped with first bolster and second bolster respectively, first bolster, second bolster are one or more in spring, foam and the sponge.

Furthermore, the bearing layer is a titanium or titanium alloy material layer, and the thickness of the bearing layer is 20% -30% of that of the base table.

Furthermore, a connecting layer is arranged between the buffer layer and the bearing layer, the connecting layer is a composite material of multiple layers of carbon fiber and titanium or a composite material of multiple layers of carbon fiber and titanium alloy, and the thickness of the connecting layer is 40% -55% of that of the base.

Furthermore, the content of carbon fibers in the connecting layer is decreased in a gradient manner, and the content of titanium or titanium alloy in the connecting layer is increased in a gradient manner.

Furthermore, the woven carbon fiber buffer layer, the connecting layer and the bearing layer are all of a multilayer structure, the single-layer thickness of the woven carbon fiber buffer layer is 50-100 μm, the single-layer thickness of the connecting layer is 100-200 μm, and the single-layer thickness of the bearing layer is 100-200 μm.

The second purpose of the invention is realized by the following technical scheme:

a method for manufacturing a dental implant structure, comprising the steps of:

s1, preparing a dental crown: modeling by 3D scanning and in 3 Shape;

s2, preparing a buffer layer: the buffer layer is a woven carbon fiber buffer layer, the woven carbon fiber buffer layer is subjected to three-dimensional modeling by matching with the inner surface of the crown, the buffer layer is manufactured by 3D printing and layer-by-layer superposition, a carbon fiber material is manufactured by a three-dimensional multidirectional weaving method, the included angle between weaving structures is 45-135 degrees, and the thickness of the woven carbon fiber buffer layer is 20-30% of that of the abutment;

s3, manufacturing a bearing layer: the bearing layer is a titanium or titanium alloy material compact structure layer and is manufactured layer by layer through a 3D printing technology, and the thickness of the bearing layer is 20% -30% of that of the base platform;

s4, manufacturing a connecting layer: the connecting layer is a multilayer carbon fiber material and titanium composite material or a multilayer carbon fiber and titanium alloy composite material layer, the carbon fiber material is sprayed out or extruded by a spray head, the titanium or titanium alloy material is sprayed out or extruded by another spray head, the content of the carbon fiber is reduced in a gradient manner, the content of the titanium or titanium alloy is increased in a gradient manner, and the thickness of the connecting layer is 40% -55% of the thickness of the base platform.

Further, the connection layer in step S4 is normally embedded between the woven carbon fiber buffer layer and the carrier layer.

According to the scheme, the invention has the following beneficial effects: the abutment in the dental implant structure comprises the buffer layer and the bearing layer, the buffer layer provides buffer for the dental crown and the implant, the stress of the dental crown and the implant is dispersed, the buffer layer is the woven carbon fiber buffer layer, the stress of the implant is reduced due to the energy absorption effect of the woven carbon fiber buffer layer, the service life of the implant is prolonged, and the woven carbon fiber material is light, so that the weight of the dental implant structure is lighter.

Furthermore, the manufacturing method of the dental implant structure is based on the existing 3D printing technology, the dental implant structure with the buffer function can be manufactured, the buffer layer enables the stress between the dental implant and the dental crown to be reduced, and the service life of the dental implant structure is prolonged; the stress of the dental implant structure is dispersed, and the wearing comfort of the patient is improved.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.

Fig. 1 is an exploded view of a dental implant structure provided by the present invention.

Fig. 2 is a schematic structural view of the base shown in fig. 1.

Fig. 3 is an assembly view of a dental implant structure according to the present invention.

Wherein the reference numbers are as follows:

1. a crown of a tooth; 2. a base station; 3. an implant; 21. a first clamping block; 22. a buffer layer; 23. a connecting layer; 24. a carrier layer; 211. a first buffer member; 241. a second fixture block; 2411. a second buffer.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1 and 3, the dental implant structure of the present embodiment includes a crown 1, an abutment 2, and an implant 3, wherein the abutment 2 includes a cushion layer 22 and a carrier layer 24, the cushion layer 22 is a woven carbon fiber cushion layer and is connected to the crown 1, and the carrier layer 24 is connected to the implant 3.

In the embodiment, the woven carbon fiber buffer layer is arranged, so that the stress of the implant 3 is reduced due to the energy absorption effect of the woven carbon fiber buffer layer, and the service life of the implant 3 is prolonged; in addition, the phenomenon of the dental crown 1 collapsing due to overlarge stress is reduced, and the service life of the dental crown 1 is prolonged.

Specifically, as shown in fig. 2, the thickness of the woven carbon fiber buffer layer is 20% to 30% of the thickness of the abutment 2, the buffer layer 22 is provided with a first clamping block 21, the dental crown 1 is provided with a first clamping groove matched with the first clamping block 21, the depth of the first clamping groove is slightly greater than the height of the first clamping block 21, the buffer layer 22 is connected with the dental crown 1 through the cooperation of the first clamping block 21 and the first clamping groove, further, a first buffer member 211 is arranged outside the first clamping block 21, and the first buffer member 211 is one or more of a spring, foam and sponge.

Furthermore, the material of the first fixture block 21 is the same carbon fiber material as the woven carbon fiber buffer layer, and is integrally formed during manufacturing.

In this embodiment, as shown in fig. 2, the bearing layer 24 is a titanium or titanium alloy material layer, the thickness of the bearing layer 24 is 20% to 30% of the thickness of the base 2, the bearing layer 24 is provided with a second fixture block 241, the upper surface of the implant 3 is provided with a second clamping groove matched with the second fixture block 241, the depth of the second clamping groove is slightly greater than the height of the second fixture block 241, a second buffer 2411 is also provided outside the second fixture block 241, the second buffer 2411 in this embodiment is also one or more of a spring, a foam, and a sponge, and the second fixture block 241 and the bearing layer 24 are integrally formed.

As shown in fig. 2, in this embodiment, a connection layer 23 is disposed between the buffer layer 22 and the carrier layer 24, the connection layer 23 is a composite material of multiple layers of carbon fiber and titanium or a composite material of multiple layers of carbon fiber and titanium alloy, the thickness of the connection layer 23 is 40% to 55% of the thickness of the base 2, and the connection layer 23 can prevent the buffer layer 22 and the carrier layer 24 from falling off, so as to achieve a firm connection between the buffer layer 22 and the carrier layer 24.

Further, the content of the carbon fiber in the connecting layer 23 decreases in a gradient manner, and the content of the titanium or the titanium alloy in the connecting layer 23 increases in a gradient manner, for example, the content of the carbon fiber material decreases from 100% to 0% layer by layer, and the content of the titanium or the titanium alloy material increases from 0% to 100% layer by layer, so that the two materials change in a gradient manner, better fusion can be achieved, and a good transition effect can be achieved.

As shown in fig. 2, the buffer layer 22, the connection layer 23 and the carrier layer 24 are all of a multilayer structure, the single-layer thickness of the buffer layer 22 is 50 μm to 100 μm, the single-layer thickness of the connection layer 23 is 100 μm to 200 μm, the single-layer thickness of the carrier layer 24 is 100 μm to 200 μm, and the woven carbon fiber buffer layer can be deformed in a normal direction and can be restored to an original woven shape.

The invention also provides a manufacturing method of the dental implant structure, which comprises the following steps:

s1, preparing a dental crown 1: modeling by 3D scanning and in 3 Shape;

s2, preparation of buffer layer 22: the buffer layer 22 is a woven carbon fiber buffer layer, the woven carbon fiber buffer layer is subjected to three-dimensional modeling by matching with the inner surface of the crown 1 crown and is manufactured by 3D printing and layer-by-layer superposition, a carbon fiber material is manufactured by a three-dimensional multidirectional weaving method, the included angle between weaving structures is 45-135 degrees, and the thickness of the woven carbon fiber buffer layer is 20-30% of that of the base platform 2;

s3, manufacturing the bearing layer 24: the bearing layer 24 is a titanium or titanium alloy material dense structural layer and is manufactured layer by layer through a 3D printing technology, and the thickness of the bearing layer 24 is 20% -30% of that of the base platform;

s4, preparation of connection layer 23: the connecting layer 23 is a composite material of a plurality of layers of carbon fiber materials and titanium or a composite material of a plurality of layers of carbon fiber and titanium alloy, the carbon fiber materials are sprayed or extruded by a spray head, the titanium or titanium alloy materials are sprayed or extruded by another spray head, the content of the carbon fiber is reduced in a gradient manner, the content of the titanium or titanium alloy is increased in a gradient manner, and the thickness of the connecting layer 23 is 40% -55% of the thickness of the base.

Further, the connection layer 13 in step S4 is normally embedded between the buffer layer 22 and the carrier layer 24, so as to effectively avoid possible phenomena such as slippage and achieve a firm connection.

The manufacturing method of the dental implant structure is based on the existing 3D printing technology, the dental implant structure with the buffer function can be manufactured, the buffer layer enables the stress between the dental implant and the dental crown to be reduced, and the service life of the dental implant structure is prolonged; the stress of the dental implant structure is dispersed, and the wearing comfort of the patient is improved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.