WO2022246736A1 - 锁定楔销型支柱体 - Google Patents

锁定楔销型支柱体 Download PDF

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Publication number
WO2022246736A1
WO2022246736A1 PCT/CN2021/096374 CN2021096374W WO2022246736A1 WO 2022246736 A1 WO2022246736 A1 WO 2022246736A1 CN 2021096374 W CN2021096374 W CN 2021096374W WO 2022246736 A1 WO2022246736 A1 WO 2022246736A1
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Prior art keywords
locking wedge
end area
pin type
dental implant
opening
Prior art date
Application number
PCT/CN2021/096374
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English (en)
French (fr)
Inventor
何志忠
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何志忠
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Publication date
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Priority to PCT/CN2021/096374 priority Critical patent/WO2022246736A1/zh
Publication of WO2022246736A1 publication Critical patent/WO2022246736A1/zh

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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

Definitions

  • the invention relates to a pillar body, especially a locking wedge pin type pillar body.
  • the existing locking wedge pin type pillar body 1 includes a first part 11 , a second part 12 and a third part 13 .
  • the existing dental implant 2 includes an opening 21 .
  • the first part 11 is used to be disposed in the opening 21 of the dental implant 2 .
  • the second portion 12 includes a lower end area 121 , a middle end area 122 and an upper end area 123 .
  • the lower region 121 is connected to the first portion 11
  • the middle region 122 is connected to the lower region 121
  • the upper region 123 is connected to the middle region 122 .
  • the lower end area 121 of the second part 12 is located in the alveolar bone 100, the upper end area 123 is located in the gum 101, and an expansion area 124 is provided on the outer periphery of the upper end area 123, because the outer periphery of the upper end area 123 is due to The expansion zone 124 expands to take up space such that the amount of keratanized gingiva 101 is reduced, the presence of which reduces inflammation and is important for maintaining the health of the implant area.
  • the third part 13 is connected to the upper end region 123 of the second part 12 for connecting to a prosthesis 10 (for example: dentures), and the angle ⁇ 1 of the third part 13 is about 6 degrees to 8 degrees.
  • the conical angle of the first part 11 of the locking wedge pin type pillar body 1 is about 1 degree to 1.5 degrees, and the The structure in which the angle b of the first part 11 is slightly larger than the angle a of the opening 21 of the dental implant 2 can produce an effective locking combination.
  • This kind of threadless connection has a good bacterial seal, so the dental implant 2 can be implanted in the alveolar bone 100 2 mm ⁇ 3 mm without causing damage to the bone above the connection, so the common long handle The pillar body is used clinically.
  • the alveolar bone (not shown) and keratinized gingiva 101 in the edentulous area 102 generally shrink and decrease.
  • the outer peripheral edge of the upper end region 123 of the second part 12 has the outer peripheral shape of the expansion region 124, which reduces the The amount of keratinized gums 101 .
  • the main purpose of the present invention is to solve the problems caused by the existing locking wedge pin type pillar body.
  • the present invention provides a locking wedge type pillar body, which includes: a first part, a second part and a third part.
  • the first portion is configured to be disposed within an opening of a dental implant.
  • the second part is connected to the top of the first part, and the second part includes a lower end area connected to the first part, a middle end area connected to the lower end area, and an upper end area connected to the middle end area, wherein the second Part of the lower end area is located in the alveolar bone, the upper end area is located in the gingiva, and no expansion area is provided on the outer peripheral edge of the upper end area.
  • the third part is connected to the upper end region of the second part for connecting a dummy, and the third part is provided with at least a cut surface.
  • the first part is conical and fits closely with the opening of the dental implant; wherein, the second part extends upwards of the first part in a conical shape.
  • the angle of the cut plane to the opposite side is close to 0 degrees.
  • the outer periphery of the upper end region of the second part since the outer periphery of the upper end region of the second part is not provided with an expansion zone, the outer periphery of the upper end region of the second part leaves more space for corners. softens the gums.
  • the third part of the present invention extends at least a cut plane above the upper end region of the second part, and the angle between the cut plane and the opposite side is close to 0 degrees, which is different from the third part of the existing locking wedge type pillar body Therefore, the angle between the cut surface of the third part and the opposite side is close to 0 degrees, which can increase the holding force between the locking wedge-type strut body and the prosthesis (eg, denture).
  • Fig. 1 is the schematic diagram of existing locking wedge pin type pillar body and dental implant
  • Fig. 2 is a cross-sectional top view of the gingiva where the existing tooth has undergone tooth extraction and the existing locking wedge-pin type pillar body occupies too much space;
  • Fig. 3 is a schematic diagram of a locking wedge pin type pillar body and a dental implant of the present invention
  • Fig. 4 is a perspective view of the locking wedge pin type pillar body in Fig. 3;
  • Fig. 5 is a top view of the section where the locking wedge-pin type pillar body of Fig. 3 is implanted into the gingiva.
  • the present invention provides a locking wedge type pillar body
  • the locking wedge pin type pillar body 3 includes: a first part 31 , a second part 32 and a third part 33 .
  • the first part 31 is intended to be arranged in an opening 41 of a dental implant 4 .
  • the first portion 31 is completely disposed in the opening 41 of the dental implant 4 .
  • the first part 31 is conical with an angle of about 1-1.5 degrees, and forms a tight fit with the opening 41 of the dental implant 4, and the angle d of the first part 31 is slightly larger than the opening of the dental implant 4 41 angle c.
  • the first part 31 is only combined with the opening 41 of the dental implant 4 of a certain size.
  • the second part 32 is connected to the top of the first part 31 .
  • the second portion 32 includes a lower end area 321 , a middle end area 322 and an upper end area 323 .
  • the lower end region 321 is connected to the first portion 31 .
  • the middle region 322 is connected to the lower region 321 .
  • the upper region 323 is connected to the middle region 322 .
  • the lower end area 321 , the middle end area 322 and the upper end area 323 extend from bottom to top in a conical shape, so as to facilitate the connection with the third portion 33 .
  • the lower end area 321 of the second part 32 is located in the alveolar bone 6, the upper end area 323 is located in the gum 60, and there is no expansion area on the outer peripheral edge of the upper end area 323 (also shown in FIG. 5 ) , so that the outer peripheral edge of the upper end region 323 of the second part 32 leaves more space for the keratinized gum 60 .
  • the third part 33 is connected to the upper end region 323 of the second part 32 for connecting to a prosthesis 5 (for example: false teeth).
  • the third portion 33 extends above the upper end region 323 of the second portion 32, and the third portion 33 is provided with at least a cut surface 331, the angle between the cut surface 331 and the opposite side is close to 0 degrees, which is different from the existing locking wedge.
  • the angle ⁇ 1 of the third part 13 of the pin-type prop body 1 is different from nearly 6 degrees, so the angle between the cut surface 331 of the third part 33 and the opposite side is close to 0 degree, which can increase the relationship between the locking wedge-pin type prop body 3 and the error. Retention of complex 5.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

一种锁定楔销型支柱体，包括：一第一部分、一第二部分及一第三部分。该第一部分用于设置在一牙植体的一开孔内。该第二部分连接该第一部分的上方，该第二部分包括一连接该第一部分的下端区、一连接该下端区的中端区及一连接该中端区的上端区，其中该第二部分的该下端区位于齿槽骨内，该上端区位于牙龈内，且在该上端区的外周缘未设有膨胀区，借此使该第二部分的该上端区的外周缘留有较多空间让给角化牙龈。该第三部分连接该第二部分的该上端区，用以连接一膺复物，该第三部分设有至少一切面。

Description

锁定楔销型支柱体 技术领域
本发明涉及一种支柱体，尤指是一种锁定楔销型支柱体。
背景技术
请参阅图1，其中锁定楔销(locking taper)的连接是一种使用在一牙植体2的连接方式。现有该锁定楔销型支柱体1包括一第一部分11、一第二部分12及一第三部分13。现有该牙植体2包括一开孔21。其中该第一部分11用于设置在该牙植体2的该开孔21内。该第二部分12包括一下端区121、一中端区122及一上端区123。该下端区121连接该第一部分11，该中端区122连接该下端区121，该上端区123连接该中端区122。该第二部分12的该下端区121位于齿槽骨100内，该上端区123位于牙龈101内，且在该上端区123的外周缘设有一膨胀区124，由于该上端区123的外周缘因该膨胀区124膨大占据空间，以致减少了角化牙龈(keratanized gingiva)101的量，而角化牙龈101的存在可以减少发炎，且对维持植牙区的健康很重要。该第三部分13连接该第二部分12的该上端区123，用以连接一膺复物10(例如：假牙)，且该第三部分13的角度θ1约6度～8度。
承上，结合现有该锁定楔销型支柱体1及该牙植体2时，利用该锁定楔销型支柱体1的该第一部分11呈圆锥状角度大约为1度～1.5度，且该第一部分11的角度b稍大于该牙植体2的该开孔21的角度a的结构，即能产生有效的锁定结合。此种无螺纹的连接具有良好的细菌封闭性，故可将该牙植体2植入齿槽骨100内2㎜～3㎜也不会造成连接处以上的骨质被破坏，所以常见长柄的支柱体于临床上使用。
再请参阅图1及图2，一般缺牙区102的齿槽骨(图未示出)及角化牙龈101都会萎缩减少。但，现有该锁定楔销型支柱体1为了模仿自然牙修型后的样子，而会有该第二部分12的该上端区123的外周缘有该膨胀区124的外型，而减少了角化牙龈101的量。
因此，有必要提供一种创新且具进步性的锁定楔销型支柱体，以解决上述问题，实有待进一步的改良。
发明内容
本发明主要目的，在于解决现有该锁定楔销型支柱体所产生的问题。
为达上述目的，本发明提供一种锁定楔销型支柱体，包括：一第一部分、一第二部分及一第三部分。该第一部分用于设置在一牙植体的一开孔内。该第二部分连接该第一部分的上方，该第二部分包括一连接该第一部分的下端区、一连接该下端区的中端区，及一连接该中端区的上端区，其中该第二部分的该下端区位于齿槽骨内，该上端区位于牙龈内，且在该上端区的外周缘未设有膨胀区。该第三部分连接该第二部分的该上端区，用以连接一膺复物，该第三部分设有至少一切面。
更进一步，该第一部分呈圆锥状，与该牙植体的该开孔形成紧配合；其中，该第二部分朝该第一部分的上方延伸呈圆锥状。
更进一步，该切面与相对侧的角度接近0度。
透过本发明前述所揭，相较于现有具有以下特点：
1.本发明该锁定楔销型支柱体，由于该第二部分的该上端区的外周缘未设有膨胀区，使该第二部分的该上端区的外周缘留有较多空间让给角化牙龈。
2.本发明该第三部分朝该第二部分的该上端区的上方延伸至少一切面，该切面与相对侧的角度接近0度，与现有该锁定楔销型支柱体的该第三部分的该角度接近6度不同，故该第三部分的该切面与相对侧的角度接近0度可增加该锁定楔销型支柱体与膺复物(例如：假牙)的固持力。
附图说明
图1为现有锁定楔销型支柱体及牙植体的示意图；
图2为现有牙齿经拔牙后形成萎缩的牙龈处及现有锁定楔销型支柱体占据太多空间的切面俯视图；
图3为本发明锁定楔销型支柱体及牙植体的示意图；
图4为图3锁定楔销型支柱体的立体图；
图5为图3锁定楔销型支柱体植入牙龈处切面的俯视图。
【符号说明】
现有
1：锁定楔销型支柱体
10：膺复物
100：齿槽骨
101：牙龈
102：缺牙区
11：第一部分
12：第二部分
121：下端区
122：中端区
123：上端区
124：膨胀区
13：第三部分
2：牙植体
21：开孔
θ1：角度
a、b：角度
本发明
3：锁定楔销型支柱体
31：第一部分
32：第二部分
321：下端区
322：中端区
323：上端区
33：第三部分
331：切面
4：牙植体
41：开孔
5：膺复物
6：齿槽骨
60：牙龈
c、d：角度
具体实施方式
以下配合所附的图示，详加说明本发明的结构如何组合、使用，应当更容易了解本发明的目的、技术内容、特点及其所达成的功效。
请参阅图3及图4，本发明提供一种锁定楔销型支柱体，该锁定楔销型支柱体3包括：一第一部分31、一第二部分32及一第三部分33。该第一部分31用于设置在一牙植体4的一开孔41内。在本实施例中，该第一部分31完全设置在该牙植体4的该开孔41内。该第一部分31呈圆锥状角度约为1度～1.5度，与该牙植体4的该开孔41形成紧配合，且该第一部分31的角度d稍大于该牙植体4的该开孔41的角度c。该第一部分31只与特定尺寸的该牙植体4的该开孔41相结合。
复参阅图3及图4，该第二部分32连接该第一部分31的上方。该第二部分32包括一下端区321、一中端区322及一上端区323。其中该下端区321连接该第一部分31。该中端区322连接该下端区321。该上端区323连接该中端区322。该下端区321、该中端区322及该上端区323由下至上延伸呈圆锥状，以利接续该第三部分33。另外，该第二部分32的该下端区321位于齿槽骨6内，该上端区323位于牙龈60内，且在该上端区323的外周缘未设有膨胀区(同时配合图5所示)，使该第二部分32的该上端区323的外周缘留有较多空间让给角化牙龈60。
复参阅图3及图4，该第三部分33连接该第二部分32的该上端区323，用以连接一膺复物5(例如：假牙)。该第三部分33朝该第二部分32的该上端区323的上方延伸，该第三部分33设有至少一切面331，该切面331与相对侧的角度接近0度，与现有该锁定楔销型支柱体1的该第三部分13的角度θ1接近6度不同，故该第三部分33的该切面331与相对侧的角度接近0度可增加该锁定楔销型支柱体3与该膺复物5的固持力。
但前述者仅为本发明的较佳实施例，其目的在使熟悉该项技艺者能够了解本发明的内容而据以实施，并非用来限定本发明实施的范围。故举凡依本发明申请范围所述的形状、构造及特征所为的均等变化或修饰，均应包括在本发明的申请专利范围内。

Claims (3)

  1. 一种锁定楔销型支柱体，其特征在于，该锁定楔销型支柱体包括：
    一第一部分，用于设置在一牙植体的一开孔内；
    一第二部分，连接该第一部分的上方，该第二部分包括一连接该第一部分的下端区、一连接该下端区的中端区，及一连接该中端区的上端区，其中该第二部分的该下端区位于齿槽骨内，该上端区位于牙龈内，且在该上端区的外周缘未设有膨胀区；以及
    一第三部分，连接该第二部分的该上端区，用以连接一膺复物，该第三部分设有至少一切面。
  2. 根据权利要求1所述的锁定楔销型支柱体，其特征在于，该第一部分呈圆锥状，与该牙植体的该开孔形成紧配合；其中，该第二部分朝该第一部分的上方延伸呈圆锥状。
  3. 根据权利要求1所述的锁定楔销型支柱体，其特征在于，该切面与相对侧的角度接近0度。
PCT/CN2021/096374 2021-05-27 2021-05-27 锁定楔销型支柱体 WO2022246736A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1565389A (zh) * 2003-06-13 2005-01-19 比阿特丽斯·阿尔达马博伦布鲁 牙科植入物
CN201370640Y (zh) * 2009-01-22 2009-12-30 陈俊龙 植牙的改良式植根
TWM380793U (en) * 2009-12-18 2010-05-21 qing-mao Lin Dental crown strut structure
CN202843837U (zh) * 2012-11-08 2013-04-03 重庆润泽医药有限公司 一种组合式可调磨基桩牙种植体
CN105979905A (zh) * 2013-12-17 2016-09-28 艾皮法诺斯蒂克斯公司 抗振单齿植入物
US20160317252A1 (en) * 2014-01-13 2016-11-03 Boris FRIDZON A conical connection for a dental implant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1565389A (zh) * 2003-06-13 2005-01-19 比阿特丽斯·阿尔达马博伦布鲁 牙科植入物
CN201370640Y (zh) * 2009-01-22 2009-12-30 陈俊龙 植牙的改良式植根
TWM380793U (en) * 2009-12-18 2010-05-21 qing-mao Lin Dental crown strut structure
CN202843837U (zh) * 2012-11-08 2013-04-03 重庆润泽医药有限公司 一种组合式可调磨基桩牙种植体
CN105979905A (zh) * 2013-12-17 2016-09-28 艾皮法诺斯蒂克斯公司 抗振单齿植入物
US20160317252A1 (en) * 2014-01-13 2016-11-03 Boris FRIDZON A conical connection for a dental implant

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