JP4382666B2 - 歯内治療器具 - Google Patents
歯内治療器具 Download PDFInfo
- Publication number
- JP4382666B2 JP4382666B2 JP2004531588A JP2004531588A JP4382666B2 JP 4382666 B2 JP4382666 B2 JP 4382666B2 JP 2004531588 A JP2004531588 A JP 2004531588A JP 2004531588 A JP2004531588 A JP 2004531588A JP 4382666 B2 JP4382666 B2 JP 4382666B2
- Authority
- JP
- Japan
- Prior art keywords
- grinding
- endodontic instrument
- file
- grinding edge
- instrument
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
- A61C5/42—Files for root canals; Handgrips or guiding means therefor
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Oral & Maxillofacial 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 Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
12 歯管
14 歯
16 長尺シャフト
18 研削エッジ
20 実働長さ部分
22 螺旋溝
30 外径
32 溝の周縁面
40 歯内治療器具
42 研削エッジ
44 作用ライン
46 接線方向ライン
48 外径
CD 研削方向
Fa 軸方向力
Fr 合力
Fra 径方向力
Ft 接線方向研削力
O 中心軸
R1 第1径方向距離
T0 トルク
α 側面のテーパー角度
β 角度
θ 螺旋角度
Claims (1)
- 歯内治療器具であって、
中心軸を有した長尺シャフトであるとともに、この長尺シャフトの少なくとも一部に沿って実働長さ部分が設けられ、この実働長さ部分が外表面を有しているような、長尺シャフトと;
前記外表面上に形成された少なくとも1つのランド無し溝であるとともに、前記中心軸から第1径方向距離をなすところに研削エッジを有した少なくとも1つのランド無し溝と;
前記外表面上に形成されるとともに前記研削エッジを起点として前記歯内治療器具の研削方向とは逆向きに延在する少なくとも1つの溝周縁面と;
を具備し、
前記溝周縁面が、前記中心軸から、前記第1径方向距離よりも短い径方向距離をなすところに、位置し、
前記溝周縁面が、前記歯内治療器具を使用して歯の歯質を研削する際に前記研削エッジのところにおける接線方向力と径方向力との合力ベクトルによって規定される作用ラインのところに配置されており、
前記研削エッジのところにおける前記外径に対しての接線方向と前記作用ラインとのなす角度(β)が、R 1 を前記溝の半径とし、F a を前記歯内治療器具に沿った軸方向力とし、αを前記歯内治療器具の側面のテーパー角度とし、T 0 を前記歯内治療器具に対して印加されたトルクとし、θを前記歯内治療器具の螺旋角度としたときに、
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/229,421 US7147469B2 (en) | 2002-08-28 | 2002-08-28 | Endodontic instrument |
PCT/US2003/026885 WO2004019806A1 (en) | 2002-08-28 | 2003-08-27 | Endodontic instrument |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005537059A JP2005537059A (ja) | 2005-12-08 |
JP4382666B2 true JP4382666B2 (ja) | 2009-12-16 |
Family
ID=31976215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004531588A Expired - Fee Related JP4382666B2 (ja) | 2002-08-28 | 2003-08-27 | 歯内治療器具 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7147469B2 (ja) |
EP (1) | EP1531752B1 (ja) |
JP (1) | JP4382666B2 (ja) |
AU (1) | AU2003262930A1 (ja) |
DE (1) | DE60330353D1 (ja) |
WO (1) | WO2004019806A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101629143B1 (ko) * | 2015-03-06 | 2016-06-09 | 주식회사 써지덴트 | 치내요법 기구 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7094055B2 (en) * | 2001-05-30 | 2006-08-22 | Steven Senia | Endodontic reamer and a method for manufacturing endodontic reamers and files |
US20080153055A1 (en) * | 2001-05-30 | 2008-06-26 | Discus Dental, Llc | Endodontic Reamer and Method for Manufacturing Endodontic Reamer and Files |
US20050272004A1 (en) * | 2004-06-08 | 2005-12-08 | Ormco Corporation | Non-landed endodontic instrument and methods of making such endodontic instruments |
US8454361B2 (en) | 2005-04-08 | 2013-06-04 | Michael J. Scianamblo | Swaggering endodontic instruments |
US20060246394A1 (en) * | 2005-04-27 | 2006-11-02 | Giuseppe Cantatore | Endodontic files having improved lateral and torsional flexibility |
US7300281B2 (en) * | 2005-08-02 | 2007-11-27 | Giuseppe Cantatore | Endodontic file having bi-directional scraping edges |
US7435086B2 (en) * | 2005-08-02 | 2008-10-14 | Elio Vincenzo Giovanni Berutti | Endodontic tool having reduced torque demands |
US7766657B2 (en) * | 2005-08-09 | 2010-08-03 | Andris Jaunberzins | Endodontic file combining active and passive cutting edges |
US20070101827A1 (en) * | 2005-11-01 | 2007-05-10 | Quan Nancy N | Endodontic Instrument |
US7270541B1 (en) * | 2006-03-02 | 2007-09-18 | Johnson William B | Endodontic files having variable helical angle flutes |
CN102215772A (zh) * | 2008-09-09 | 2011-10-12 | 马克斯·S·费伯 | 根管器械及制造方法 |
US20110159458A1 (en) * | 2009-11-20 | 2011-06-30 | Heath Derek E | Endodontic Instrument With Modified Memory and Flexibility Properties and Method |
US10196713B2 (en) | 2009-11-20 | 2019-02-05 | Dentsply Sirona Inc. | Medical instrument with modified memory and flexibility properties and method |
US9005377B2 (en) | 2009-11-20 | 2015-04-14 | D & S Dental, Llc | Method of modifying a physical property of an endodontic instrument |
US8911573B2 (en) | 2009-11-20 | 2014-12-16 | D & S Dental, Llc | Medical instrument with modified memory and flexibility properties and method |
EP2438884B1 (en) | 2010-10-06 | 2013-02-13 | VDW GmbH | Endodontic system |
EP2460489A1 (fr) * | 2010-12-03 | 2012-06-06 | Maillefer Instruments Holding S.À.R.L. | Instrument pour l'alésage des canaux radiculaires dentaires |
WO2014118587A1 (fr) | 2013-01-30 | 2014-08-07 | Maillefer Instruments Holding Sàrl | Instrument pour l'alésage des canaux radiculaires dentaires |
WO2015085228A1 (en) * | 2013-12-05 | 2015-06-11 | Sprechman Kenneth C | Endodontic file |
US10543060B2 (en) | 2015-12-03 | 2020-01-28 | Ormco Corporation | Fluted endodontic file |
CN108366843B (zh) | 2016-01-29 | 2021-03-30 | 诺贝尔生物服务公司 | 牙科工具 |
US10130444B1 (en) * | 2017-07-14 | 2018-11-20 | Dentsply Sirona Inc. | Endodontic instrument |
USD842474S1 (en) | 2017-10-20 | 2019-03-05 | Ormco Corporation | Endodontic file |
US11191616B1 (en) * | 2017-10-21 | 2021-12-07 | David W. Kelliny | Access guide and drill kit to be used with same for endodontic access cavity preparation and method of use |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2537430B1 (fr) * | 1982-12-10 | 1985-12-27 | Micro Mega Sa | Alesoir dentaire a triple cannelure helicoidale et a pas progressif |
JPH055305Y2 (ja) | 1985-09-18 | 1993-02-12 | ||
JP3375771B2 (ja) * | 1995-02-02 | 2003-02-10 | マニー株式会社 | ピーソーリーマ又はゲーツドリル |
US5980250A (en) * | 1995-12-11 | 1999-11-09 | Tycom Dental Corporation | Endodontic instrument |
US5735689A (en) * | 1995-12-11 | 1998-04-07 | Tycom Dental Corporation | Endodontic dental instrument |
FR2755845B1 (fr) * | 1996-11-20 | 1999-06-04 | Micro Mega Int Mfg Sa | Alesoir dentaire a efficacite de coupe amelioree |
US5882198A (en) * | 1997-03-28 | 1999-03-16 | Ormco Corporation | Endodontic instrument having enhanced compliance at the tip |
DE19823720C1 (de) * | 1998-05-27 | 1999-10-21 | Brasseler Gmbh & Co Kg Geb | Dentalbohrer |
US6299445B1 (en) * | 1999-04-08 | 2001-10-09 | Ormco Corporation | Endodontic instrument, instrument blank and method of manufacture |
JP4214285B2 (ja) | 1999-12-17 | 2009-01-28 | マニー株式会社 | 歯科用根管治療器具及びその製造方法 |
-
2002
- 2002-08-28 US US10/229,421 patent/US7147469B2/en not_active Expired - Lifetime
-
2003
- 2003-08-27 JP JP2004531588A patent/JP4382666B2/ja not_active Expired - Fee Related
- 2003-08-27 AU AU2003262930A patent/AU2003262930A1/en not_active Abandoned
- 2003-08-27 EP EP03791868A patent/EP1531752B1/en not_active Expired - Fee Related
- 2003-08-27 WO PCT/US2003/026885 patent/WO2004019806A1/en active Application Filing
- 2003-08-27 DE DE60330353T patent/DE60330353D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101629143B1 (ko) * | 2015-03-06 | 2016-06-09 | 주식회사 써지덴트 | 치내요법 기구 |
Also Published As
Publication number | Publication date |
---|---|
JP2005537059A (ja) | 2005-12-08 |
EP1531752A1 (en) | 2005-05-25 |
AU2003262930A1 (en) | 2004-03-19 |
WO2004019806A1 (en) | 2004-03-11 |
DE60330353D1 (de) | 2010-01-14 |
EP1531752B1 (en) | 2009-12-02 |
US20040043357A1 (en) | 2004-03-04 |
US7147469B2 (en) | 2006-12-12 |
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