CN111870368A - Oral implant - Google Patents
Oral implant Download PDFInfo
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- CN111870368A CN111870368A CN202010761787.9A CN202010761787A CN111870368A CN 111870368 A CN111870368 A CN 111870368A CN 202010761787 A CN202010761787 A CN 202010761787A CN 111870368 A CN111870368 A CN 111870368A
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- porous tantalum
- main body
- oral implant
- implant
- alveolar bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/0077—Connecting the upper structure to the implant, e.g. bridging bars with shape following the gingival surface or the bone surface
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- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention relates to the technical field of medical instruments, and provides an oral implant. The method comprises the following steps: the fixture comprises a porous tantalum main body obtained by mirroring a healthy side about a midline, wherein a fixing part is arranged on the porous tantalum main body, and the porous tantalum main body is fixed on an alveolar bone through the fixing part; a plurality of implant holes determined according to the missing tooth condition of the patient, wherein the plurality of implant holes are arranged at the top of the porous tantalum main body; a wing plate designed according to patient CT data, the wing plate closely fitting to the alveolar bone; the inner surface of the porous tantalum main body is filled with bone powder which enables the porous tantalum main body to be consistent with the healthy side radian. The invention has the beneficial effects that: the oral implant is prepared with implant holes on the porous tantalum main body in advance, and the implant can be directly installed after healing, so that the operation efficiency is improved; the oral implant is provided with wing plates, and the wing plates are beneficial to accurate positioning of the porous tantalum main body and better recovery of the osteogenic form of the alveolar bone.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an oral implant.
Background
In patients with dentition loss and defective dentition, the dental implant is considered to be the best treatment method at present, but the insufficient bone mass of the upper and lower alveolar bones is one of the important factors influencing the success rate of the dental implant operation. At present, the width and the height of the alveolar bone are improved by a bone augmentation technology, and a plurality of scholars show that the method for increasing the height of the alveolar bone by adopting a titanium mesh is one of the most effective methods at present. At present, titanium nets applied to the oral cavity field are finished titanium nets, pre-bending is needed, the restoration height and width of an alveolar bone after operation cannot be accurately predicted, the titanium nets need to be trimmed and are difficult to be tightly attached to the alveolar bone and the surfaces of jaw bones, and in the using process of existing titanium net plants, the bone forming speed of a patient is low, the bone forming amount is small, and the using effect of the plants in the titanium nets is poor.
Besides the above defects, the prior art mainly has the following defects:
(1) the prior art CN209734234U discloses a titanium mesh implant for personalized alveolar bone increment generated by applying a three-dimensional printing technology, which accurately prints the outline of a titanium mesh main body according to the optimal restoration effect after alveolar bone reconstruction, can realize the optimal osteogenesis induction effect, avoids the unpredictability of the shape of the alveolar bone after osteogenesis, guides the alveolar bone to form the optimal shape after osteogenesis, and is beneficial to later-stage dental implantation. However, the titanium mesh main body can not be accurately positioned on the alveolar bone, and the shape of the alveolar bone after osteogenesis is influenced
(2) The prior art CN109646714A discloses a three-dimensional printing titanium mesh plant with an osteogenesis inducing coating, and the pre-bending of a titanium mesh main body before implantation can realize the accurate fitting of the edge of the titanium mesh main body and the shape of the residual bone mass. The three-dimensional printing technology can accurately print the titanium mesh main body which is very attached according to the bone form of the periphery of the bone defect and the contact with the titanium mesh main body, and the titanium mesh main body is not required to be bent in the operation. However, the top surface of the titanium mesh main body is not provided with planting holes, and holes are needed to be prepared for planting when planting, so that the operation efficiency is influenced.
Disclosure of Invention
The invention aims to provide an oral implant to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: an oral implant comprising: the fixture comprises a porous tantalum main body obtained by mirroring a healthy side about a midline, wherein a fixing part is arranged on the porous tantalum main body, and the porous tantalum main body is fixed on an alveolar bone through the fixing part; a plurality of implant holes determined according to the missing tooth condition of the patient, wherein the plurality of implant holes are arranged at the top of the porous tantalum main body; a wing plate designed according to patient CT data, the wing plate closely fitting to the alveolar bone; the inner surface of the porous tantalum main body is filled with bone powder which enables the porous tantalum main body to be consistent with the healthy side radian.
In an optional embodiment, the porous tantalum body is formed by 3D printing of tantalum metal.
In an alternative embodiment, the length of the porous tantalum body is 20mm to 140mm, and the thickness of the porous tantalum body is 0.5mm to 1 mm.
In an alternative embodiment, the pores of the porous tantalum body are structured in a regular pattern.
In an alternative embodiment, the pores of the porous tantalum body are irregularly shaped.
In an alternative embodiment, the number of the planting holes is 2-14.
In an optional embodiment, the fixing part is a plurality of taper holes, and the number of the taper holes is 2-10.
In an alternative embodiment, the diameter of the taper hole is 0.5mm-2mm, and the taper of the taper hole is 8 °.
In an alternative embodiment, the covering surface of the wing plate and the alveolar bone is not less than 1/2.
The invention has the beneficial effects that:
(1) the oral implant is provided with the positioning wing plate, and the positioning wing plate is beneficial to accurate positioning of the porous tantalum main body and better recovers the bone formation form of the alveolar bone.
(2 the oral implant of the invention prepares the implant hole on the porous tantalum main body in advance, and the implant can be directly installed after the implant hole is cured, thereby improving the operation efficiency.
(3) The oral implant of the present invention does not require the shape of the porous tantalum body to be adjusted during surgery, thereby reducing the surgery time and increasing the contact area with the alveolar bone to improve the stability thereof.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of an oral implant according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a porous tantalum body of an oral implant according to an embodiment of the present invention.
Wherein, the reference numbers in the figures are: 1. porous tantalum main part, 2, planting hole, 3, pterygoid lamina, 4, fixed part, 5, alveolar bone.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Example one
Referring to fig. 1-2, the present embodiment provides an oral implant, comprising: the porous tantalum body 1 is obtained by mirroring the healthy side about the midline, holes are added on the surface of the porous tantalum body 1 to reduce the weight, the porous tantalum body 1 is formed by tantalum metal 3D printing, and preferably, the length of the porous tantalum body 1 is 20mm, and the thickness of the porous tantalum body 1 is 0.5 mm. It should be noted that tantalum metal is called "parent biological metal", has excellent biocompatibility, is bio-inert, has excellent corrosion resistance, stable chemical property, has no inflammatory reaction with tissue and body fluid, and can exist effectively in human body environment for a long time; excellent mechanical performance, high hardness and high friction and wear resistance. The elastic modulus of the tantalum is particularly similar to that of human bones, so that the stress shielding phenomenon is effectively avoided. The porous structure is similar to the structure of human trabecula, can provide favorable growth and proliferation space and material exchange place for osteoblast, greatly promotes bone induction and new bone growth, and shortens the osseointegration process. In this embodiment, the structure of the pores in the porous tantalum body 1 is regular.
Specifically, the fixing part 4 is arranged on the porous tantalum main body 1, the porous tantalum main body 1 is fixed on the alveolar bone 5 through the fixing part 4, preferably, the fixing part 4 is a plurality of taper holes, the number of the taper holes is 2, the diameter of the taper holes is 0.5mm, the taper of the taper holes is 8 degrees, and the fixing part 4 ensures the initial stability of the bone increment of the alveolar bone 5.
In this embodiment, the porous tantalum main body 1 is further provided with a plurality of implantation holes 2 determined according to the missing tooth condition of the patient, and the implantation holes are arranged at the top of the porous tantalum main body 1. The hole is punched at the proper position of the three-dimensional top of the porous tantalum main body 1, the diameter of the planting hole 2 is determined according to the diameter of the later-stage planting body, then the gum is sutured, a secondary operation is performed after osseointegration is completed, the porous tantalum main body 1 is taken out, the well-equipped planting body is directly installed, the problem of 5 bone increment of alveolar bone is solved, the shape of the bone increment can be controlled, and the planting condition is better met. Preferably, the number of planting holes 2 is 2.
It should be noted that the oral implant in this embodiment further includes a wing plate 3 designed according to CT data of the patient, the wing plate 3 is closely attached to the alveolar bone 5, which is beneficial to accurately positioning the porous tantalum body 1 and better recovering the bone formation of the alveolar bone 5, and it should be noted that the covering surface of the wing plate 1 and the alveolar bone 5 is not less than 1/2. In addition, the inner surface of the porous tantalum body 1 is filled with bone powder for making the porous tantalum body 1 conform to the healthy side radian.
Example two
Referring to fig. 1-2, the present embodiment provides an oral implant, comprising: the porous tantalum body 1 is obtained by mirroring the healthy side about the midline, holes are added on the surface of the porous tantalum body 1 to reduce the weight, the porous tantalum body 1 is formed by tantalum metal 3D printing, preferably, the length of the porous tantalum body 1 is 140mm, and the thickness of the porous tantalum body 1 is 1 mm. It should be noted that tantalum metal is called "parent biological metal", has excellent biocompatibility, is bio-inert, has excellent corrosion resistance, stable chemical property, has no inflammatory reaction with tissue and body fluid, and can exist effectively in human body environment for a long time; excellent mechanical performance, high hardness and high friction and wear resistance. The elastic modulus of the tantalum is particularly similar to that of human bones, so that the stress shielding phenomenon is effectively avoided. The porous structure is similar to the structure of human trabecula, can provide favorable growth and proliferation space and material exchange place for osteoblast, greatly promotes bone induction and new bone growth, and shortens the osseointegration process. In this embodiment, the structure of the pores in the porous tantalum body 1 is irregular.
Specifically, the fixing part 4 is arranged on the porous tantalum main body 1, the porous tantalum main body 1 is fixed on the alveolar bone 5 through the fixing part 4, preferably, the fixing part 4 is a plurality of taper holes, the number of the taper holes is 10, the diameter of the taper holes is 2mm, the taper of the taper holes is 8 degrees, and the fixing part 4 ensures the initial stability of the bone increment of the alveolar bone 5.
In this embodiment, the porous tantalum main body 1 is further provided with a plurality of implantation holes 2 determined according to the missing tooth condition of the patient, and the implantation holes are arranged at the top of the porous tantalum main body 1. The hole is punched at the proper position of the three-dimensional top of the porous tantalum main body 1, the diameter of the planting hole 2 is determined according to the diameter of the later-stage planting body, then the gum is sutured, a secondary operation is performed after osseointegration is completed, the porous tantalum main body 1 is taken out, the well-equipped planting body is directly installed, the problem of 5 bone increment of alveolar bone is solved, the shape of the bone increment can be controlled, and the planting condition is better met. Preferably, the number of planting holes 2 is 14.
It should be noted that the oral implant in this embodiment further includes a wing plate 3 designed according to CT data of the patient, the wing plate 3 is closely attached to the alveolar bone 5, which is beneficial to accurately positioning the porous tantalum body 1 and better recovering the bone formation of the alveolar bone 5, and it should be noted that the covering surface of the wing plate 1 and the alveolar bone 5 is not less than 1/2. In addition, the inner surface of the porous tantalum body 1 is filled with bone powder for making the porous tantalum body 1 conform to the healthy side radian.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An oral implant comprising: the porous tantalum body (1) is obtained by mirroring a healthy side about a midline, a fixing part (4) is arranged on the porous tantalum body (1), and the porous tantalum body (1) is fixed on an alveolar bone (5) through the fixing part (4);
a plurality of implantation holes (2) determined according to the condition of missing teeth of a patient, wherein the implantation holes are arranged at the top of the porous tantalum main body (1);
the method is characterized in that: a wing plate (3) designed according to CT data of a patient, wherein the wing plate (3) is tightly attached to the alveolar bone (5); the inner surface of the porous tantalum main body (1) is filled with bone powder which enables the porous tantalum main body (1) to be consistent with the healthy side radian.
2. The oral implant according to claim 1, wherein the porous tantalum body (1) is formed by 3D printing of tantalum metal.
3. The oral implant according to claim 2, wherein the length of the porous tantalum body (1) is 20mm to 140mm and the thickness of the porous tantalum body (1) is 0.5mm to 1 mm.
4. The oral implant according to claim 3, wherein the pores of the porous tantalum body (1) are structured in a regular pattern.
5. The oral implant according to claim 3, wherein the pores of the porous tantalum body (1) have an irregular morphology.
6. The oral implant according to claim 1, wherein the number of implant holes (2) is 2-14.
7. The oral implant according to claim 1, wherein the fixation part (4) is a plurality of tapered holes, the number of which is 2-10.
8. The oral implant of claim 7, wherein said tapered bore has a diameter of 0.5mm to 2mm and a taper of 8 °.
9. The oral implant according to claim 1, characterized in that the covering surface of the wing (1) with the alveolar bone (5) is not less than 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010761787.9A CN111870368A (en) | 2020-07-31 | 2020-07-31 | Oral implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010761787.9A CN111870368A (en) | 2020-07-31 | 2020-07-31 | Oral implant |
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| Publication Number | Publication Date |
|---|---|
| CN111870368A true CN111870368A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010761787.9A Pending CN111870368A (en) | 2020-07-31 | 2020-07-31 | Oral implant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230002A (en) * | 2021-06-22 | 2021-08-10 | 安阳市第六人民医院(安阳市口腔医院) | Preparation method of personalized titanium mesh for bone defect reconstruction in dental implantation area |
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| US20040142304A1 (en) * | 2001-12-03 | 2004-07-22 | Richard Cottrell | Modified dental implant fixture |
| CN108606851A (en) * | 2018-03-01 | 2018-10-02 | 高莺 | A kind of tooth-planting base station and implantation methods with molding chip architecture |
| CN108888379A (en) * | 2018-08-15 | 2018-11-27 | 重庆医科大学附属口腔医院 | Bone increment support structure and preparation method thereof |
| CN109602508A (en) * | 2018-08-29 | 2019-04-12 | 上海瑞博医疗科技有限公司 | It is a kind of for planting the preparation method of the personalized titanium nethike embrane of prebone increment |
| CN109646714A (en) * | 2019-01-15 | 2019-04-19 | 上海交通大学医学院附属第九人民医院 | A kind of 3 D-printing titanium net implants with osteogenic induction coating |
| CN109662807A (en) * | 2019-01-15 | 2019-04-23 | 上海交通大学医学院附属第九人民医院 | A kind of titanium net implants of the personalized Level of Alveolar Bone increment generated using three-dimensional printing technology |
| CN111202601A (en) * | 2020-02-28 | 2020-05-29 | 广州市健齿生物科技有限公司 | Directly-implanted personalized alveolar bone repair prosthesis and preparation method thereof |
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2020
- 2020-07-31 CN CN202010761787.9A patent/CN111870368A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040142304A1 (en) * | 2001-12-03 | 2004-07-22 | Richard Cottrell | Modified dental implant fixture |
| CN108606851A (en) * | 2018-03-01 | 2018-10-02 | 高莺 | A kind of tooth-planting base station and implantation methods with molding chip architecture |
| CN108888379A (en) * | 2018-08-15 | 2018-11-27 | 重庆医科大学附属口腔医院 | Bone increment support structure and preparation method thereof |
| CN109602508A (en) * | 2018-08-29 | 2019-04-12 | 上海瑞博医疗科技有限公司 | It is a kind of for planting the preparation method of the personalized titanium nethike embrane of prebone increment |
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| CN111202601A (en) * | 2020-02-28 | 2020-05-29 | 广州市健齿生物科技有限公司 | Directly-implanted personalized alveolar bone repair prosthesis and preparation method thereof |
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| Title |
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| 张玲等: "仿真"骨小梁"牙种植体的生物力学特征", 《中国组织工程研究》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230002A (en) * | 2021-06-22 | 2021-08-10 | 安阳市第六人民医院(安阳市口腔医院) | Preparation method of personalized titanium mesh for bone defect reconstruction in dental implantation area |
| CN113230002B (en) * | 2021-06-22 | 2024-05-14 | 安阳市第六人民医院(安阳市口腔医院) | Preparation method of personalized titanium mesh for bone defect reconstruction of dental implant area |
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Application publication date: 20201103 |