DE60308957D1 - Systeme zur Lokalisierung der Spitze eines Zahnwurzels - Google Patents

Systeme zur Lokalisierung der Spitze eines Zahnwurzels

Info

Publication number
DE60308957D1
DE60308957D1 DE60308957T DE60308957T DE60308957D1 DE 60308957 D1 DE60308957 D1 DE 60308957D1 DE 60308957 T DE60308957 T DE 60308957T DE 60308957 T DE60308957 T DE 60308957T DE 60308957 D1 DE60308957 D1 DE 60308957D1
Authority
DE
Germany
Prior art keywords
voltage
apical foramen
impedance
stimulus
electrodes
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 - Lifetime
Application number
DE60308957T
Other languages
English (en)
Other versions
DE60308957T2 (de
Inventor
Daniel Thacker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aseptico Inc
Original Assignee
Aseptico Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aseptico Inc filed Critical Aseptico Inc
Application granted granted Critical
Publication of DE60308957D1 publication Critical patent/DE60308957D1/de
Publication of DE60308957T2 publication Critical patent/DE60308957T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A61C19/041—Measuring instruments specially adapted for dentistry for measuring the length of the root canal of a tooth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A61C19/042—Measuring instruments specially adapted for dentistry for determining the position of a root apex

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
DE60308957T 2002-07-26 2003-07-25 Systeme zur Lokalisierung der Spitze eines Zahnwurzels Expired - Lifetime DE60308957T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/205,966 US6845265B2 (en) 2002-07-26 2002-07-26 Systems and methods for locating a tooth's apical foramen
US205966 2002-07-26

Publications (2)

Publication Number Publication Date
DE60308957D1 true DE60308957D1 (de) 2006-11-23
DE60308957T2 DE60308957T2 (de) 2007-06-21

Family

ID=30000124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60308957T Expired - Lifetime DE60308957T2 (de) 2002-07-26 2003-07-25 Systeme zur Lokalisierung der Spitze eines Zahnwurzels

Country Status (4)

Country Link
US (1) US6845265B2 (de)
EP (1) EP1384449B1 (de)
AT (1) ATE342011T1 (de)
DE (1) DE60308957T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7899707B1 (en) * 2002-06-18 2011-03-01 Ewinwin, Inc. DAS predictive modeling and reporting function
US7758342B2 (en) * 2002-07-26 2010-07-20 Aseptico, Inc. Detecting and indicating a proximity of a dental instrument to a tooth apical foramen
DE10303964A1 (de) * 2003-01-31 2004-08-19 Wolfgang Prof. Dr. Oettinger Medizinische Bohrvorrichtung und medizinisches Bohrverfahren
JP4065205B2 (ja) * 2003-02-05 2008-03-19 株式会社ナカニシ 根管長測定可能な歯科用ヘッドユニット
US6968229B2 (en) * 2003-05-06 2005-11-22 Ormco Corporation Apex locating system
WO2004105631A1 (en) 2003-05-22 2004-12-09 Aseptico, Inc. System for performing a variety of medical/dental procedures, and related methods
DE112004001035B4 (de) * 2003-06-11 2014-09-11 Toei Electric Co., Ltd. Vorrichtung zur Positionsermittlung einer Zahnwurzelspitze
US20050080713A1 (en) * 2003-09-30 2005-04-14 Cmarket, Inc. Method and apparatus for creating a catalog for an on-line charitable auction or fund raising event
JP4103813B2 (ja) * 2004-02-02 2008-06-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
US20050228744A1 (en) * 2004-04-09 2005-10-13 Cmarket, Inc. Method and apparatus for modifying the winning bid in an on-line auction to benefit a charitable organization
US20050228746A1 (en) * 2004-04-09 2005-10-13 Cmarket, Inc. Method and apparatus for contribution based placement of donor advertisements
US20050246265A1 (en) * 2004-04-09 2005-11-03 Cmarket, Inc. Method and apparatus for assigning value to an item donated to an on-line charitable auction or fund raising event
US20050228742A1 (en) * 2004-04-09 2005-10-13 Cmarket, Inc. Method and apparatus for creating and conducting on-line charitable fund raising activities with competitive events
US20050228745A1 (en) * 2004-04-09 2005-10-13 Cmarket, Inc. Method and apparatus for conducting on-line auction events in coordination with incentive promotion for bidders
KR100619139B1 (ko) 2004-05-28 2006-08-31 (주)에스덴티 근관장 측정장치
US20070043629A1 (en) * 2004-09-29 2007-02-22 Cmarket, Inc. Method and apparatus for creating a catalog for an on-line charitable auction or fund raising event from a virtual consignment database in accordance with an organization profile
CN100376221C (zh) * 2005-08-15 2008-03-26 厦门大学 牙科根管长度测量仪
BRPI0504065A (pt) * 2005-09-06 2007-05-22 Ronaldo Piazzalunga coeficiente de atenuação espectral radicular para uso em localizador foraminal endodÈntico
DE102006035681B4 (de) * 2006-07-30 2016-03-24 Schlumbohm Gmbh & Co. Kg Verfahren zum Bestimmen der Position einer in einen Zahnwurzelkanal eingeführten Messelektrode
US20080065513A1 (en) * 2006-08-31 2008-03-13 Cmarket, Inc. Method and apparatus for sponsoring a consignable item in an on-line charitable auction or fund raising event
JP2008110141A (ja) * 2006-10-31 2008-05-15 Morita Mfg Co Ltd 歯科用診断器、これを用いた根管治療装置、根管治療装置用の表示装置及び歯科用診療台
US20080187880A1 (en) * 2007-02-05 2008-08-07 Medicn.R.G. Ltd. Bluetooth system and method for determining and storing a dental root canal depth measurement
US20090148810A1 (en) * 2007-02-21 2009-06-11 Randall Maxwell Wireless root canal apex locator
WO2008155751A1 (en) * 2007-06-21 2008-12-24 Medicn.R.G. Ltd. Multi-frequency apex locator
US8844002B2 (en) * 2007-06-29 2014-09-23 Ebay Inc. Method and system for notification and request processing
DE102008038505B4 (de) * 2007-08-21 2015-10-29 Toei Electric Co., Ltd. Vorrichtung zur Erkennung von seitlichen Verzweigungen und Scheitelpunkterkennungsvorrichtung sowie Messelektrode zum Messen einer Position einer seitlichen Verzweigung
EP2496173B1 (de) * 2009-11-06 2017-09-13 The Research Foundation Of State University Of New York Vorrichtung zur erkennung frühzeitiger kariesläsionen ohne aushöhlung
EP2345388A1 (de) * 2010-01-14 2011-07-20 Endosafe GmbH Vorrichtungen zur Bestimmung der Position der Spitze eines Zahnwurzelkanals
PL219558B1 (pl) * 2011-04-21 2015-05-29 Marcin Just Urządzenie i sposób do diagnostyki próchnicy wtórnej
ES2570465B1 (es) * 2015-06-09 2017-01-05 Dental Catch Ibérica, S.L. Dispositivo de medición de las diferencias de conductividad
EP3308704A4 (de) * 2015-06-09 2019-01-16 Dental Catch Iberica, S.L. Vorrichtung zur messung von differenzen bei der leitfähigkeit
EP4018923A1 (de) 2017-03-08 2022-06-29 The Trustees of Dartmouth College Elektrisches impedanzmessendes zahnärztliches bohrersystem mit erkennung der grenzen zwischen spongiosa-kortikalem knochen und knochen-weichgewebe
CA3072097A1 (en) * 2017-08-21 2019-02-28 Dentsply Sirona Inc. Root canal apex locator
KR102146179B1 (ko) * 2019-01-14 2020-08-19 주식회사 메타바이오메드 치과용 근관 길이 측정기
CN109925084A (zh) * 2019-04-20 2019-06-25 常州赛乐医疗技术有限公司 一种挂钩式牙根尖定位仪

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916529A (en) 1973-11-08 1975-11-04 Calvin Mitchell Mousseau Method of and instrument for determining the length of a root canal
US3993044A (en) 1975-03-10 1976-11-23 Mcguffin William G Method and device for determining the length of a root canal of a tooth
JPS54149295A (en) 1978-05-15 1979-11-22 Kiyoshi Hasegawa Pulp canal length measuring device
US4447206A (en) 1982-01-18 1984-05-08 Junji Ushiyama Device and method for detecting apical constriction in root canal of tooth
US4526179A (en) 1983-01-28 1985-07-02 Leonard Salesky Digital apical foramen locating apparatus
JPH02271854A (ja) 1989-04-14 1990-11-06 Takeshi Saito 歯科用根管処置装置
US5049069A (en) * 1990-02-16 1991-09-17 Leonard Salesky Digital apical foramen locating apparatus with linear graphic display
US5080586A (en) 1990-09-24 1992-01-14 Osada Research Institute, Ltd. Apical foramen position detector for use in dental treatment
JP3113095B2 (ja) * 1991-09-30 2000-11-27 株式会社モリタ製作所 歯科用根管診療装置
US5211556A (en) * 1991-11-27 1993-05-18 Kabushiki Kaisha Morita Seisakusho Root canal meter
KR0159070B1 (ko) * 1994-06-09 1998-12-15 모리타 류이치로 근관길이 측정기능을 구비한 치과치료장치
US5759159A (en) 1996-09-25 1998-06-02 Ormco Corporation Method and apparatus for apical detection with complex impedance measurement
JP2000060878A (ja) * 1998-08-24 2000-02-29 Toei Denki Kk 根尖位置検出装置
US6425875B1 (en) * 1999-12-27 2002-07-30 Forum Engineering Technologies (96) Ltd. Method and device for detection of a tooth root apex

Also Published As

Publication number Publication date
US6845265B2 (en) 2005-01-18
EP1384449B1 (de) 2006-10-11
ATE342011T1 (de) 2006-11-15
US20040019291A1 (en) 2004-01-29
DE60308957T2 (de) 2007-06-21
EP1384449A1 (de) 2004-01-28

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DE60308957D1 (de) Systeme zur Lokalisierung der Spitze eines Zahnwurzels
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US20080187880A1 (en) Bluetooth system and method for determining and storing a dental root canal depth measurement
Bahrololoomi et al. Accuracy of an electronic apex locator for working length determination in primary anterior teeth
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Golvankar et al. Comparison of accuracy in determining the root canal working length by using two generations of apex locators–an in vitro study
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Leonardo et al. Ex vivo accuracy of an apex locator using digital signal processing in primary teeth
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Legal Events

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