JP2020000311A - 咬合面形成用バー - Google Patents
咬合面形成用バー Download PDFInfo
- Publication number
- JP2020000311A JP2020000311A JP2018120213A JP2018120213A JP2020000311A JP 2020000311 A JP2020000311 A JP 2020000311A JP 2018120213 A JP2018120213 A JP 2018120213A JP 2018120213 A JP2018120213 A JP 2018120213A JP 2020000311 A JP2020000311 A JP 2020000311A
- Authority
- JP
- Japan
- Prior art keywords
- shank
- forming
- surface forming
- inclined surface
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 18
- 239000006061 abrasive grain Substances 0.000 claims abstract description 10
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 230000037237 body shape Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 2
- 206010006514 bruxism Diseases 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
11 作業部
11a 頭部
11b 傾斜面形成部
11c 隅角部形成部
15 シャンク
20 砥粒
30 患歯(臼歯)
31 支台歯
32 咬合面
32a 中心窩
32b 傾斜面
32c 隅角部
35 ガイドグルーブ
50 中心窩形成用バー
51 作業部
51a 先端突起部
51b 胴部
60 歯科用バー
61 作業部
65 シャンク
70 歯科用バー
71 作業部
Claims (4)
- 支台歯形成において使用される咬合面形成用バーであって、回転器具に接続するためのシャンクと、前記シャンクの一端に設けられている作業部と、を有し、
前記作業部は、前記シャンクを回転軸とする回転体形状であって、先端側から順に頭部、傾斜面形成部、及び、隅角部形成部で構成されており、
前記頭部は、側面の中間位置が回転軸から最も遠くなっている略円板形状であり、
前記傾斜面形成部は、前記頭部から前記隅角部形成部に向かって径が一定の割合で小さくなっているテーパー形状であり、
前記隅角部形成部は、前記傾斜面形成部に滑らかに接続し、前記シャンクに向かって径が大きくなっている曲面形状であり、
前記頭部の側面中間位置からシャンク側、前記傾斜面形成部、及び、前記隅角部形成部のそれぞれの表面には、砥粒が付着していることを特徴とする咬合面形成用バー。 - 前記傾斜面形成部のテーパー形状の角度が、回転軸に対して、10゜以上12゜以下であることを特徴とする請求項1に記載の咬合面形成用バー。
- 前記隅角部形成部が、前記傾斜面形成部から前記シャンクに向けての曲率半径が1.0mm以上2.0mm以下の曲面形状であることを特徴とする請求項1又は2に記載の咬合面形成用バー。
- 前記頭部の側面中間位置から前記傾斜面形成部と前記隅角部形成部との境界までの距離が2.5mm以上3.5mm以下であることを特徴とする請求項1から請求項3のいずれかに記載の咬合面形成用バー。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018120213A JP7210167B2 (ja) | 2018-06-25 | 2018-06-25 | 咬合面形成用バー |
PCT/JP2019/025106 WO2020004372A1 (ja) | 2018-06-25 | 2019-06-25 | 咬合面形成用バー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018120213A JP7210167B2 (ja) | 2018-06-25 | 2018-06-25 | 咬合面形成用バー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020000311A true JP2020000311A (ja) | 2020-01-09 |
JP7210167B2 JP7210167B2 (ja) | 2023-01-23 |
Family
ID=68986644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018120213A Active JP7210167B2 (ja) | 2018-06-25 | 2018-06-25 | 咬合面形成用バー |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7210167B2 (ja) |
WO (1) | WO2020004372A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5631744A (en) * | 1979-08-20 | 1981-03-31 | Neuwirth Siegmund Alexander | Tooth grinder |
JPS5734843A (en) * | 1980-04-25 | 1982-02-25 | Rigoo Mishiyuru | Standardizing work for tooth in fitting of crown and tool for preparation |
JPS58185147A (ja) * | 1982-04-23 | 1983-10-28 | 松風陶歯製造株式会社 | 歯科用研磨材 |
JPS62174518U (ja) * | 1986-04-25 | 1987-11-06 | ||
JPS6320812U (ja) * | 1986-07-25 | 1988-02-10 | ||
DE3702097A1 (de) * | 1987-01-24 | 1988-08-04 | Aribo Staude | Bohrer zur praeparation von zaehnen |
FR2639216A1 (fr) * | 1988-11-23 | 1990-05-25 | Truche Francis | Fraise rotative pour applications dentaires |
JP2012085884A (ja) * | 2010-10-20 | 2012-05-10 | Shofu Inc | 曲面付与用歯科用研削バー |
-
2018
- 2018-06-25 JP JP2018120213A patent/JP7210167B2/ja active Active
-
2019
- 2019-06-25 WO PCT/JP2019/025106 patent/WO2020004372A1/ja active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5631744A (en) * | 1979-08-20 | 1981-03-31 | Neuwirth Siegmund Alexander | Tooth grinder |
JPS5734843A (en) * | 1980-04-25 | 1982-02-25 | Rigoo Mishiyuru | Standardizing work for tooth in fitting of crown and tool for preparation |
JPS58185147A (ja) * | 1982-04-23 | 1983-10-28 | 松風陶歯製造株式会社 | 歯科用研磨材 |
JPS62174518U (ja) * | 1986-04-25 | 1987-11-06 | ||
JPS6320812U (ja) * | 1986-07-25 | 1988-02-10 | ||
DE3702097A1 (de) * | 1987-01-24 | 1988-08-04 | Aribo Staude | Bohrer zur praeparation von zaehnen |
FR2639216A1 (fr) * | 1988-11-23 | 1990-05-25 | Truche Francis | Fraise rotative pour applications dentaires |
JP2012085884A (ja) * | 2010-10-20 | 2012-05-10 | Shofu Inc | 曲面付与用歯科用研削バー |
Also Published As
Publication number | Publication date |
---|---|
WO2020004372A1 (ja) | 2020-01-02 |
JP7210167B2 (ja) | 2023-01-23 |
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