JP6961744B2 - 歯科用根管切削具 - Google Patents
歯科用根管切削具 Download PDFInfo
- Publication number
- JP6961744B2 JP6961744B2 JP2020072926A JP2020072926A JP6961744B2 JP 6961744 B2 JP6961744 B2 JP 6961744B2 JP 2020072926 A JP2020072926 A JP 2020072926A JP 2020072926 A JP2020072926 A JP 2020072926A JP 6961744 B2 JP6961744 B2 JP 6961744B2
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- JP
- Japan
- Prior art keywords
- root canal
- rear end
- cutting tool
- shaft
- working
- 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.)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
11、21 作業部
21a 作業部の後端
12、22 シャフト
12a 螺旋溝
22a テーパー部
22a1 最細部の径
22b ストレート部
13、23 把持部
Claims (1)
- 螺旋状の切刃からなり先端に向かって細くなっている形状の作業部と、
前記作業部の後端に連なるシャフトと、
前記シャフトの後端に連なり歯科用ハンドピースに接続される把持部と、を有し、
前記シャフトの断面は円形であって、前記作業部の後端に向かって細くなっており断面が円形で切刃を有しないテーパー部と、前記テーパー部の後端に連なり前記テーパー部の最太部の径と同一径のストレート部と、からなり、前記テーパー部の最細部の径が前記作業部の後端断面の外接円の径よりも小さいことを特徴とする歯科用根管切削具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020072926A JP6961744B2 (ja) | 2015-12-25 | 2020-04-15 | 歯科用根管切削具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015253267A JP2017113361A (ja) | 2015-12-25 | 2015-12-25 | 歯科用根管切削具 |
JP2020072926A JP6961744B2 (ja) | 2015-12-25 | 2020-04-15 | 歯科用根管切削具 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015253267A Division JP2017113361A (ja) | 2015-12-25 | 2015-12-25 | 歯科用根管切削具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020108857A JP2020108857A (ja) | 2020-07-16 |
JP6961744B2 true JP6961744B2 (ja) | 2021-11-05 |
Family
ID=71570403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020072926A Active JP6961744B2 (ja) | 2015-12-25 | 2020-04-15 | 歯科用根管切削具 |
Country Status (1)
Country | Link |
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JP (1) | JP6961744B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112044684B (zh) * | 2020-09-14 | 2021-07-13 | 高碧云 | 一种根管锉自动生产工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH685097A5 (fr) * | 1991-03-01 | 1995-03-31 | Maillefer Instr Sa | Jeu d'instruments pour l'alésage des canaux radiculaires dentaires. |
US5947730A (en) * | 1997-10-31 | 1999-09-07 | Board Of Regents, The University Of Texas System | Increased taper segmental rotary files |
JP4269302B2 (ja) * | 2001-02-28 | 2009-05-27 | マニー株式会社 | 歯科用リーマ |
US20070207439A1 (en) * | 2006-03-03 | 2007-09-06 | Lynch Robert P | Endodontic file having a taper defined by a continuously changing concavity |
JP5135614B2 (ja) * | 2009-10-21 | 2013-02-06 | 福井県 | 複合材料用ドリル並びにそれを用いた機械加工方法及び機械加工装置 |
WO2014118587A1 (fr) * | 2013-01-30 | 2014-08-07 | Maillefer Instruments Holding Sàrl | Instrument pour l'alésage des canaux radiculaires dentaires |
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2020
- 2020-04-15 JP JP2020072926A patent/JP6961744B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2020108857A (ja) | 2020-07-16 |
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