CN102846388A - Plug-type retention structure of implant abutment - Google Patents
Plug-type retention structure of implant abutment Download PDFInfo
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- CN102846388A CN102846388A CN2012103705039A CN201210370503A CN102846388A CN 102846388 A CN102846388 A CN 102846388A CN 2012103705039 A CN2012103705039 A CN 2012103705039A CN 201210370503 A CN201210370503 A CN 201210370503A CN 102846388 A CN102846388 A CN 102846388A
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- base station
- abutment
- station bottom
- tapering
- plug
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Abstract
The invention relates to a plug-type retention structure of an implant abutment, and belongs to the technical field of stomatology. The plug-type retention structure of the implant abutment is characterized in that internal threads are drilled in the bottom of the abutment, and internal threads at the lower segment (6) of the bottom of the abutment are inclined inwardly to form expansion threads (4) with a taper alpha; and internal threads at the upper segment (3) of the bottom of the abutment have no inclined angle, and the outer circumference of the bottom of the abutment is a smooth surface with a taper beta which is inclined inwardly. The taper alpha of the expansion threads (4) is larger than the taper beta of the outer circumference of the bottom of the abutment; and the lower segment (6) of the bottom of the abutment is evenly divided into a plurality of same expansion blocks (5) expanding outwardly along the axial circumference, and a 0.1 to 0.3mm clearance is reserved between every two expansion blocks (5). According to the plug-type retention structure of the implant abutment, the fatigue loosening of bolts can be prevented, the fatigue breaking of the bolts is eliminated, the axial rotational orientation can be automatically adjusted, the life of the denture is prolonged, and the comfort of the denture is improved.
Description
Technical field
Abutment plug-in type retention system belongs to the stomatology technology field, is specifically related to a kind of plug-in type base station.
Background technology
Since the sixties in last century, professor Branemark proposed the synosteosis theory, implant denture had been widely used in clinical medicine.Wherein, implantation body and base station are the indispensable parts of implant denture, in the prior art, base station all is directly to be fastened on the implantation body upper end by bolt, belongs to be rigidly connected, in the processes such as chewing, speak the people, artificial tooth and tooth constantly bump, it is tired loosening that fastening bolt easily occurs in long-term frequent impact, and serious may fracture, and affects the life-span of artificial tooth and the comfort level in the use procedure.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of and prevent the bolt fatigue break, improve the artificial tooth Abutment plug-in type retention system in service life.
The technical solution adopted for the present invention to solve the technical problems is: this Abutment plug-in type retention system, comprise the base station that is fixed on the implantation body upper end, described base station is divided into the base station end, three sections of base station cervical region and base station bottoms, the base station bottom is divided into again base station bottom epimere and base station bottom hypomere two parts, the lower segment length in base station bottom epimere and base station bottom is all between 2 ~ 5mm, it is characterized in that: described base station is drilled with female thread in the bottom, base station bottom hypomere female thread tilts to the inside, forming tapering is the expansion screw of α, base station bottom epimere female thread is without the angle of inclination, base station bottom excircle is the smooth surface of β for the tapering with to the inside inclination, expansion screw tapering α〉base station bottom external circumference tapering β, base station bottom hypomere vertically even circumferential is divided into a plurality of identical expanding blocks that can outwards expand, and all leaves 0.1 ~ 0.3mm gap between per two expanding blocks.The base station bottom is plugged on the implantation body upper end, the maintenance bolt stretches into the base station bottom from the base station end, entering base station bottom epimere female thread through the guiding of base station end female thread then is meshed with expansion screw, because expansion screw has tapering α, in the process of tighting a bolt, can drive outside expansion of expanding block and make base station bottom external circumference tapering β gradually trend towards 0, tightly be fitted with implantation body in the base station bottom.In the grafting process, bolt is not connected with implantation body, and when needing to remove base station, the available bolt that withdraws from takes out base station from implantation body.
Described expansion screw tapering α=0 ~ 6 °.
Described base station bottom external circumference tapering β=0 ~ 6 °.
The quantity of described expanding block is 8 ~ 12.
Compared with prior art, the beneficial effect that the present invention has is: stop the bolt fatigue break, automatically regulate vertically gyrobearing, improve artificial tooth life-span and comfort level: the base station bottom is plugged on the implantation body upper end, and by design suitable α and β angle, make in the grafting process, bolt plays the effect that is expanded in the base station bottom, do not produce with implantation body and be rigidly connected, make bolt not affected by external force, can not produce tired loosening, stop the bolt fatigue break, automatically regulate vertically gyrobearing, improve artificial tooth life-span and comfort level.
Description of drawings
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is that the A-A of Fig. 1 is to cutaway view.
Wherein: 1, base station end 2, base station cervical region 3, base station bottom epimere 4, expansion screw 5, expanding block 6, base station bottom hypomere.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present invention, the present invention will be further described below in conjunction with accompanying drawing 1 ~ 3.
This Abutment plug-in type retention system can be divided into the Multiple Types such as I type, C type, M type, U type according to the parameter difference.
With reference to accompanying drawing 1 ~ 3: this Abutment plug-in type retention system is the I type, comprise the base station that can be fixed on the implantation body upper end, base station is divided into base station end 1, three sections of base station cervical region 2 and base station bottoms, the base station bottom is divided into again base station bottom epimere 3 and base station bottom hypomere 6 two parts, base station bottom epimere 3 long 4mm, base station bottom hypomere 6 long 3mm.Base station is drilled with female thread in the bottom, base station bottom hypomere 6 female threads tilt to the inside, form expansion screw 4, expansion screw 4 tapering α=2 °, base station bottom epimere 3 female threads are without the angle of inclination, and base station bottom excircle is the smooth surface that tilts with to the inside, base station bottom external circumference tapering β=1 °, base station bottom hypomere 6 vertically even circumferential is divided into 8 identical expanding blocks that can outwards expand 5, all leaves the 0.1mm gap between per two expanding blocks 5.
This Abutment plug-in type retention system is the C type, the tapering α of expansion screw 4=3 °, and base station bottom external circumference tapering β=2 °, expanding block 5 quantity are 10, all the other settings are identical with embodiment 1.
This Abutment plug-in type retention system is the M type, base station bottom epimere 3 long 3mm, and the tapering α of expansion screw 4=3 °, base station bottom external circumference tapering β=2 °, expanding block 5 quantity are 12, all the other settings are identical with embodiment 1.
This Abutment plug-in type retention system is U-shaped, base station bottom epimere 3 long 2mm, and the tapering α of expansion screw 4=4 °, base station bottom external circumference tapering β=3 °, expanding block 5 quantity are 12, all the other settings are identical with embodiment 1.
Operation principle: the maintenance bolt stretches into the base station bottom from base station end 1, entering base station bottom epimere 3 female threads through the guiding of base station end 1 female thread then is meshed with expansion screw 4, because expansion screw 4 has tapering α, expanding block 5 is outwards expanded make base station bottom external circumference tapering β gradually trend towards 0, make base station bottom and tightly interlock of implantation body.In the grafting process, bolt does not produce with implantation body and is rigidly connected, and makes bolt not affected by external force, can not produce tired becoming flexible, and stops the bolt fatigue break, improves artificial tooth life-span and comfort level.When needing to remove base station, the available bolt that withdraws from takes out base station from implantation body.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (4)
1. Abutment plug-in type retention system, comprise the base station that is fixed on the implantation body upper end, described base station is divided into base station end (1), three sections of base station cervical region (2) and base station bottoms, the base station bottom is divided into again base station bottom epimere (3) and base station bottom hypomere (6) two parts, base station bottom epimere (3) and base station bottom hypomere (6) length are all between 2 ~ 5mm, it is characterized in that: described base station is drilled with female thread in the bottom, base station bottom hypomere (6) female thread tilts to the inside, forming tapering is the expansion screw (4) of α, base station bottom epimere (3) female thread is without the angle of inclination, base station bottom excircle is the smooth surface of β for the tapering with to the inside inclination, expansion screw (4) tapering α〉base station bottom external circumference tapering β, base station bottom hypomere (6) vertically even circumferential is divided into a plurality of identical expanding blocks that can outwards expand (5), all leaves 0.1 ~ 0.3mm gap between per two expanding blocks (5).
2. Abutment plug-in type retention system according to claim 1 is characterized in that: described expansion screw (4) tapering α=0 ~ 6 °.
3. Abutment plug-in type retention system according to claim 1 is characterized in that: described base station bottom external circumference tapering β=0 ~ 6 °.
4. Abutment plug-in type retention system according to claim 1, it is characterized in that: the quantity of described expanding block (5) is 8 ~ 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370503.9A CN102846388B (en) | 2012-09-29 | 2012-09-29 | Plug-type retention structure of implant abutment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370503.9A CN102846388B (en) | 2012-09-29 | 2012-09-29 | Plug-type retention structure of implant abutment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102846388A true CN102846388A (en) | 2013-01-02 |
| CN102846388B CN102846388B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210370503.9A Expired - Fee Related CN102846388B (en) | 2012-09-29 | 2012-09-29 | Plug-type retention structure of implant abutment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769363A (en) * | 2016-04-28 | 2016-07-20 | 华南理工大学 | Indirectly-manufactured self-locking type artificial tooth and method |
| CN105852996A (en) * | 2016-04-28 | 2016-08-17 | 华南理工大学 | Direct manufacturing method of novel self-locking type false tooth body |
| CN105997278A (en) * | 2016-04-28 | 2016-10-12 | 华南理工大学 | Self-locking false tooth and self-locking method thereof |
| CN106943199A (en) * | 2016-01-07 | 2017-07-14 | 朴永浩 | One kind expansion base station |
| CN112449586A (en) * | 2018-06-04 | 2021-03-05 | 种植牙体2004有限公司 | Assembly for forming an abutment for a dental implant having a length not predetermined |
| WO2022178973A1 (en) * | 2021-02-24 | 2022-09-01 | 广州市健齿生物科技有限公司 | Dental scanning rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5810589A (en) * | 1995-03-10 | 1998-09-22 | Dentistry Researchers & Designers Inc. | Dental implant abutment combination that reduces crestal bone stress |
| EP0967931B1 (en) * | 1996-11-29 | 2005-10-26 | Fereidoun Daftary | Anatomical restoration dental implant system for posterior and anterior teeth |
| CN101249024A (en) * | 2008-03-12 | 2008-08-27 | 威海威高生物技术有限公司 | Mouth cavity planting body device |
| CN101297772A (en) * | 2008-06-12 | 2008-11-05 | 方巍 | Pipe sleeve anti-rotary dentistry implant |
| JP2012110601A (en) * | 2010-11-26 | 2012-06-14 | Nanto Precision Co Ltd | Implant, implant body and abutment body |
-
2012
- 2012-09-29 CN CN201210370503.9A patent/CN102846388B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5810589A (en) * | 1995-03-10 | 1998-09-22 | Dentistry Researchers & Designers Inc. | Dental implant abutment combination that reduces crestal bone stress |
| EP0967931B1 (en) * | 1996-11-29 | 2005-10-26 | Fereidoun Daftary | Anatomical restoration dental implant system for posterior and anterior teeth |
| CN101249024A (en) * | 2008-03-12 | 2008-08-27 | 威海威高生物技术有限公司 | Mouth cavity planting body device |
| CN101297772A (en) * | 2008-06-12 | 2008-11-05 | 方巍 | Pipe sleeve anti-rotary dentistry implant |
| JP2012110601A (en) * | 2010-11-26 | 2012-06-14 | Nanto Precision Co Ltd | Implant, implant body and abutment body |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943199A (en) * | 2016-01-07 | 2017-07-14 | 朴永浩 | One kind expansion base station |
| CN105769363A (en) * | 2016-04-28 | 2016-07-20 | 华南理工大学 | Indirectly-manufactured self-locking type artificial tooth and method |
| CN105852996A (en) * | 2016-04-28 | 2016-08-17 | 华南理工大学 | Direct manufacturing method of novel self-locking type false tooth body |
| CN105997278A (en) * | 2016-04-28 | 2016-10-12 | 华南理工大学 | Self-locking false tooth and self-locking method thereof |
| CN112449586A (en) * | 2018-06-04 | 2021-03-05 | 种植牙体2004有限公司 | Assembly for forming an abutment for a dental implant having a length not predetermined |
| CN112449586B (en) * | 2018-06-04 | 2022-04-26 | 种植牙体2004有限公司 | Assembly for forming an abutment for a dental implant having a length not predetermined |
| WO2022178973A1 (en) * | 2021-02-24 | 2022-09-01 | 广州市健齿生物科技有限公司 | Dental scanning rod |
Also Published As
| Publication number | Publication date |
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| CN102846388B (en) | 2015-01-07 |
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| ASS | Succession or assignment of patent right |
Owner name: ZIBO CHANGGUO ORAL IMPLANT TECHNOLOGY RESEARCH INS Free format text: FORMER OWNER: AN JINGBIN Effective date: 20141211 |
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Effective date of registration: 20141211 Address after: 255033, Chang 181 Road, Zhangdian District, Shandong, Zibo Applicant after: Zibo Changguo Dental Implant Technology Research Institute Address before: 255033 No. 188 West Village Road, Zhangdian District, Shandong, Zibo Applicant before: An Jingbin |
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