CN214596041U - Dental implant - Google Patents
Dental implant Download PDFInfo
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- CN214596041U CN214596041U CN202120227397.3U CN202120227397U CN214596041U CN 214596041 U CN214596041 U CN 214596041U CN 202120227397 U CN202120227397 U CN 202120227397U CN 214596041 U CN214596041 U CN 214596041U
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Abstract
The utility model discloses an implant for dentistry, including implant and the solid fixed body, the implant upper end is connected with the solid fixed body, and the solid fixed body upper end can be dismantled with artifical dental crown and be connected, and the implant lower extreme is formed with sharp portion, and the implant outside is equipped with porous structure layer, and porous structure layer's thickness is 1-2mm, and the porous structure layer outside has tantalum coating through the even deposit of chemical vapor deposition technique, and tantalum coating's thickness is 100 + 500 mu m. The artificial dental crown has excellent biocompatibility, osteogenesis induction capability and long-term biological stability, reduces the possibility of complications of patients due to the wearing of the artificial dental crown, and reduces the pain of the patients.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to dental implant.
Background
The implant is a key part of the implant, and the quality of the implant directly determines the quality of the implant, so that the selection of a good implant is very important.
The currently applied oral implant materials mainly comprise metal materials, biological ceramics and other materials, the ceramic materials are rarely applied to the dental implant due to the overhigh brittleness, and the metal materials mainly comprise 316L stainless steel, cobalt-chromium alloy, titanium and titanium alloy. However, the metal implant is easy to corrode under the corrosive body fluid environment of human body so as to release metal ions, which is easy to cause inflammatory reaction of tissues and finally leads to bone resorption; the elastic modulus of the metal implant is far greater than that of human bone tissues, so that the stress shielding phenomenon is easy to occur, and the implant is loosened after being implanted; in addition, the metal implant has poor bioactivity and cannot be firmly combined with bone tissues after being implanted into a human body.
SUMMERY OF THE UTILITY MODEL
In order to solve present dental implant biocompatibility poor, easily become flexible after the implantation, drop, arouse the problem that the inflammation appears in the portion of implanting easily, the utility model provides a dental implant, it has excellent biocompatibility, osteogenesis induction ability to and long-term biostability, reduce the patient because wear the artificial dental crown possibility of complication appearance, reduce patient's misery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dental implant, including the implant and the fixed body, the implant upper end is connected with the fixed body, fixed body upper end can be dismantled with artifical dental crown and be connected, the implant lower extreme is formed with sharp portion, the implant outside is equipped with porous structure layer, porous structure layer's thickness is 1-2mm, the porous structure layer outside has tantalum coating through the even deposit of chemical vapor deposition technique, tantalum coating's thickness is 100 supple with power 500 mu m.
The further improvement is that the diameter of micropores in the porous structure layer and on the surface of the porous structure layer is 200-800 μm, the porosity is 30-80%, when in actual use, the porosity and the micropore aperture size in the cementum of the dental bone where the patient is to be implanted are collected, and the micropore aperture size and the micropore distribution in the porous structure layer are specifically determined according to the obtained data of the porosity and the micropore aperture size.
The further improvement is that the implant body is of a cylindrical structure or a slightly tapered conical structure, and the outer side of the implant body is provided with threads.
When the dental implant is used, the implant body of the implant body can be screwed into a tooth bone through the threads arranged on the outer side of the implant body, the contact area between the implant body and the surrounding bone tissues is greatly increased due to the arrangement of the threads, the stress is dispersed, and the initial stability after the implant is implanted is improved.
The improved structure is characterized in that the longitudinal section of the fixing body is an asymmetric trapezoid structure, the height of the fixing body is 1-3mm, the lower part of the fixing body is in contact with soft tissue of gum, and the height of the upper part of the fixing body is smaller than that of the lower part of the fixing body.
Through setting up the fixed body, the fixed body can pierce through the gum soft tissue, and after the operation, the fixed body lower part contacts with the gum soft tissue, and gum soft tissue is worn out on fixed body upper portion, exposes in human oral cavity, treats implant and surrounding bone tissue combination back, and direct with artificial dental crown install to fixed body upper portion can, need not operate once more and carry out the incision to the gum.
The further improvement is that the top of the fixing body is provided with a thread groove, and the connecting end of the bottom of the artificial dental crown is in threaded connection with the thread groove.
When the artificial dental crown is used, the artificial dental crown is connected with the fixing body in the implant through the threads, so that the stability of the product is improved, and when the artificial dental crown is damaged, the artificial dental crown is convenient to detach, replace or maintain.
In a further improvement, the implant body, the fixing body and the porous structure layer are all formed by 3D printing.
The implant, the fixed body and the porous structure layer are prepared by adopting a 3D printing and forming process, the automation degree is high, the dosage and the size are strictly controlled, the prepared implant has higher precision, and the porous structure layer and the implant are combined more tightly to form a whole.
The further improvement lies in that the material of the implant body, the fixing body and the porous structure layer is Ti6Al4V。
Compared with the prior art, the utility model discloses following beneficial effect has:
the implant of the utility model is rooted in the gum, the fixed body is detachably connected with the artificial dental crown by a thread connection mode, thereby increasing the stability of the product, and the artificial dental crown is convenient to detach, replace or maintain when being damaged; the porous structure layer is arranged on the outer side of the implant, so that the weight of the implant and the elastic modulus of the implant are reduced, a channel is provided for the growth of new bone tissues, the contact area of the implant and tissues in an implant area is increased, the interface bonding capacity is accelerated, the bone tissues grow to form mechanical locking, the bonding strength of the implant and surrounding bone tissues is greatly improved, and the implant looseness is effectively reduced; because the metal tantalum has excellent corrosion resistance, stable biological characteristics and unique structural properties, the defects of poor corrosion resistance and wear resistance of the titanium alloy material can be overcome, the tantalum is deposited on the surface of the porous structural layer on the implant by a Chemical Vapor Deposition (CVD) method to obtain a tantalum coating structure, the long-term biological stability of the implant is improved, the possibility of complications of a patient due to wearing of the artificial dental crown is reduced, the pain of the patient is relieved, and the tantalum coating has strong binding force with the substrate and is not easy to fall off.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view illustrating a structure of a dental implant according to the present invention when a tantalum coating layer is not formed;
FIG. 2 is a schematic view showing a structure of a dental implant in which a tantalum coating layer is formed according to the present invention;
wherein, the specific reference numbers are: the implant comprises an implant body 1, a porous structure layer 2, a tantalum coating layer 3, a fixed body 4, a fixed body lower part 5 and a fixed body upper part 6.
Detailed Description
The embodiment of the utility model discloses an implant for dentistry, including implant 1 and solid fixed body 4, implant 1 upper end is connected with solid fixed body 4, and solid fixed body 4 upper end can be dismantled with the artificial dental crown and be connected, and implant 1 lower extreme is formed with point portion, and the implant 1 outside is equipped with porous structure layer 2, and porous structure layer 2's thickness is 1-2mm, and the uniform deposition of chemical vapor deposition technique has tantalum coating 3 in the porous structure layer 2 outside, and tantalum coating 3's thickness is 100 thin and adds 500 mu m, and implant 1 and solid fixed body 4 are the integrated into one piece structure in this embodiment.
Wherein the diameter of the micropores inside and on the surface of the porous structure layer 2 is 200-800 μm, the porosity is 30-80%, and during actual use, the porosity and the micropore diameter of the cementum of the dental bone at the position to be implanted of the patient are collected, and the micropore diameter and the micropore distribution in the porous structure layer 2 are specifically determined according to the obtained data of the porosity and the micropore diameter.
Wherein, implant 1, fixed body 4 and porous structure layer 2 are all through 3D printing shaping. The implant 1, the fixing body 4 and the porous structure layer 2 are prepared by adopting a 3D printing and forming process, the automation degree is high, the dosage and the size are strictly controlled, the prepared implant has higher precision, and the porous structure layer 2 and the implant 1 are combined more tightly to form a whole.
The implant 1 is of a cylindrical structure or a micro-taper conical structure, threads are arranged on the outer side of the implant 1, and the thread part can be machined and formed by a post-machining method or directly printed and formed by a 3D printing technology. When the dental implant is used, the implant 1 of the implant can be screwed into a tooth bone through the threads arranged on the outer side of the implant 1, the contact area between the implant 1 and surrounding bone tissues is greatly increased due to the arrangement of the threads, stress is dispersed, and the stability of the implant at the initial stage is improved.
Wherein, the longitudinal section of the fixing body 4 is an asymmetric trapezoid structure, the height of the fixing body 4 is 1-3mm, the lower part 5 of the fixing body is contacted with the soft tissue of the gum, and the height of the upper part 6 of the fixing body is less than that of the lower part 5 of the fixing body. Through setting up the fixed body 4, the fixed body 4 can pierce through the gum soft tissue, and the operation back, fixed body lower part 5 and gum soft tissue contact, fixed body upper portion 6 wears out the gum soft tissue, exposes in human oral cavity, treats implant and bone tissue combine the back on every side, directly with artificial dental crown install to fixed body upper portion 6 can, need not operate once more and carry out the incision to the gum.
Wherein, the top of the fixed body 4 is provided with a thread groove, and the connecting end of the bottom of the artificial dental crown is in threaded connection with the thread groove. When the artificial dental crown is used, the artificial dental crown is connected with the fixing body 4 in the implant through the threads, so that the stability of the product is improved, and when the artificial dental crown is damaged, the artificial dental crown is convenient to detach, replace or maintain.
Wherein, the implant 1, the fixing body 4 and the porous structure layer 2 are made of Ti6Al4V。
The implant 1 of the utility model is implanted in the gum, the fixing body 4 is detachably connected with the artificial dental crown by a screw thread connection mode, thereby increasing the stability of the product, and the artificial dental crown is convenient to detach, replace or maintain when being damaged; the porous structure layer 2 is arranged on the outer side of the implant 1, so that the weight of the implant 1 and the elastic modulus of the implant 1 are reduced, a channel is provided for the growth of new bone tissues, the contact area of the implant and tissues in an implant area is increased, the interface combination capability is accelerated, the bone tissues grow to form mechanical locking, the combination strength of the implant and surrounding bone tissues is greatly improved, and the implant looseness is effectively reduced; because the metal tantalum has excellent corrosion resistance, stable biological characteristics and unique structural properties, the defects of poor corrosion resistance and wear resistance of the titanium alloy material can be overcome, the tantalum is deposited on the surface of the porous structural layer 2 on the implant 1 by a Chemical Vapor Deposition (CVD) method to obtain the structure of the tantalum coating 3, the long-term biological stability of the implant is improved, the possibility of complications caused by wearing the artificial dental crown of a patient is reduced, the pain of the patient is reduced, and the tantalum coating 3 has strong binding force with the substrate and is not easy to fall off.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. The dental implant is characterized by comprising an implant body and a fixing body, wherein the fixing body is connected to the upper end of the implant body, the upper end of the fixing body is detachably connected with an artificial dental crown, a tip part is formed at the lower end of the implant body, a porous structure layer is arranged on the outer side of the implant body, the thickness of the porous structure layer is 1-2mm, a tantalum coating is uniformly deposited on the outer side of the porous structure layer through a chemical vapor deposition technology, and the thickness of the tantalum coating is 100-500 mu m.
2. The dental implant as claimed in claim 1, wherein the diameter of the micropores inside and on the surface of the porous structure layer is 200-800 μm, and the porosity is 30-80%.
3. Dental implant according to claim 1, wherein the implant is of cylindrical or slightly tapered conical configuration, the outer side of the implant being provided with a thread.
4. The dental implant of claim 1, wherein the fixture has an asymmetric trapezoidal structure in a longitudinal section, the height of the fixture is 1-3mm, the lower portion of the fixture is in contact with soft tissue of gum, and the height of the upper portion of the fixture is smaller than the height of the lower portion of the fixture.
5. The dental implant as claimed in claim 1, wherein a screw groove is formed at a top of the fixture, and the connection end of the bottom of the artificial crown is screw-connected to the screw groove.
6. The dental implant of claim 1, wherein the implant body, the fixture body, and the porous structural layer are all formed by 3D printing.
7. The dental implant of claim 1, wherein the implant, the fixture, and the porous structure layer are made of Ti6Al4V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120227397.3U CN214596041U (en) | 2021-01-27 | 2021-01-27 | Dental implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120227397.3U CN214596041U (en) | 2021-01-27 | 2021-01-27 | Dental implant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214596041U true CN214596041U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120227397.3U Active CN214596041U (en) | 2021-01-27 | 2021-01-27 | Dental implant |
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| CN (1) | CN214596041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740495A (en) * | 2022-11-02 | 2023-03-07 | 大博医疗科技股份有限公司 | Method for 3D printing of trabecular oral implant |
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2021
- 2021-01-27 CN CN202120227397.3U patent/CN214596041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740495A (en) * | 2022-11-02 | 2023-03-07 | 大博医疗科技股份有限公司 | Method for 3D printing of trabecular oral implant |
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