WO2019092164A3 - Vorrichtung und verfahren zur bestimmung der impedanz an einem zahn - Google Patents

Vorrichtung und verfahren zur bestimmung der impedanz an einem zahn Download PDF

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Publication number
WO2019092164A3
WO2019092164A3 PCT/EP2018/080717 EP2018080717W WO2019092164A3 WO 2019092164 A3 WO2019092164 A3 WO 2019092164A3 EP 2018080717 W EP2018080717 W EP 2018080717W WO 2019092164 A3 WO2019092164 A3 WO 2019092164A3
Authority
WO
WIPO (PCT)
Prior art keywords
impedance
tooth
determining
measuring
voltage
Prior art date
Application number
PCT/EP2018/080717
Other languages
English (en)
French (fr)
Other versions
WO2019092164A2 (de
Inventor
Michael Gente
Matthias WILLAMOWSKI
Original Assignee
Philipps-Universität Marburg
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 Philipps-Universität Marburg filed Critical Philipps-Universität Marburg
Priority to CN201880084675.5A priority Critical patent/CN111565635A/zh
Priority to EP18839595.8A priority patent/EP3706627A2/de
Priority to JP2020526106A priority patent/JP7028970B2/ja
Priority to US16/762,753 priority patent/US20210169363A1/en
Priority to KR1020207016565A priority patent/KR20200087195A/ko
Publication of WO2019092164A2 publication Critical patent/WO2019092164A2/de
Publication of WO2019092164A3 publication Critical patent/WO2019092164A3/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0534—Measuring electrical impedance or conductance of a portion of the body for testing vitality of teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7405—Details of notification to user or communication with user or patient ; user input means using sound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7455—Details of notification to user or communication with user or patient ; user input means characterised by tactile indication, e.g. vibration or electrical stimulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/06—Saliva removers; Accessories therefor
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Vorrichtung und ein Verfahren zur Bestimmung der Impedanz (Wechselstromwiderstand) an einem Zahn. Die Impedanz wird bestimmt durch die Messung der Spannung bei gegebener Stromstärke oder durch die Messung der Stromstärke bei gegebener Spannung. Die Bestimmung der Impedanz an einem Zahn wird zur Diagnostik von Zahnkaries genutzt.
PCT/EP2018/080717 2017-11-10 2018-11-09 Vorrichtung und verfahren zur bestimmung der impedanz an einem zahn WO2019092164A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201880084675.5A CN111565635A (zh) 2017-11-10 2018-11-09 一种确定牙齿上阻抗的设备和方法
EP18839595.8A EP3706627A2 (de) 2017-11-10 2018-11-09 Vorrichtung und verfahren zur bestimmung der impedanz an einem zahn
JP2020526106A JP7028970B2 (ja) 2017-11-10 2018-11-09 歯のインピーダンスを判定するデバイスおよび方法
US16/762,753 US20210169363A1 (en) 2017-11-10 2018-11-09 Device and method for determining the impedance on a tooth
KR1020207016565A KR20200087195A (ko) 2017-11-10 2018-11-09 치아에 대한 임피던스를 결정하는 장치 및 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017126496.5 2017-11-10
DE102017126496.5A DE102017126496A1 (de) 2017-11-10 2017-11-10 Vorrichtung und Verfahren zur Bestimmung der Impedanz an einem Zahn

Publications (2)

Publication Number Publication Date
WO2019092164A2 WO2019092164A2 (de) 2019-05-16
WO2019092164A3 true WO2019092164A3 (de) 2019-07-04

Family

ID=65200766

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080717 WO2019092164A2 (de) 2017-11-10 2018-11-09 Vorrichtung und verfahren zur bestimmung der impedanz an einem zahn

Country Status (7)

Country Link
US (1) US20210169363A1 (de)
EP (1) EP3706627A2 (de)
JP (1) JP7028970B2 (de)
KR (1) KR20200087195A (de)
CN (1) CN111565635A (de)
DE (1) DE102017126496A1 (de)
WO (1) WO2019092164A2 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215698A (en) * 1978-06-08 1980-08-05 Abcor, Inc. Dental-caries detector
US4447206A (en) * 1982-01-18 1984-05-08 Junji Ushiyama Device and method for detecting apical constriction in root canal of tooth
DE3719911A1 (de) * 1987-06-15 1988-12-29 Michael Dr Med Gente Vorrichtung zur verhinderung der schaedigung der pulpa von zaehnen durch die zahnaerztliche praeparation bzw. durch das bohren der loecher fuer die anbringung von stiften
US20030044755A1 (en) * 2000-08-09 2003-03-06 Jensen Charles D. Dental diagnostic system and method
KR101499032B1 (ko) * 2013-11-20 2015-03-06 고려대학교 산학협력단 치과 임플란트 골융합 진단장치 및 이를 이용한 진단방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207161A (en) * 1961-05-22 1965-09-21 Dcd Res Corp Ionization dental system
EP0000556B1 (de) * 1977-06-22 1981-03-11 C. Johan Masreliez Gerät zur Prüfung der Pulpenvitalität von Zähnen
CN86202428U (zh) * 1986-04-24 1987-10-03 河北省滦南县医院 口腔阻抗测定仪
GB8706872D0 (en) * 1987-03-23 1987-04-29 Nat Res Dev Prophylactic/therapeutic treatment of bacterial infections
GB9610101D0 (en) * 1996-05-15 1996-07-24 Univ Dundee Methods and apparatus for the detection of dental caries
GB2339912B (en) * 1998-07-20 2002-06-05 Univ Bristol Apparatus and method for measuring the moisture level within enamel dentine or tooth tissue
US7758342B2 (en) 2002-07-26 2010-07-20 Aseptico, Inc. Detecting and indicating a proximity of a dental instrument to a tooth apical foramen
FI115109B (fi) * 2003-01-22 2005-02-28 Nokia Corp Tunnistusjärjestely ja tunnistusjärjestelyn käsittävä matkaviestin
DE112004001035B4 (de) * 2003-06-11 2014-09-11 Toei Electric Co., Ltd. Vorrichtung zur Positionsermittlung einer Zahnwurzelspitze
JP2008514328A (ja) 2004-10-01 2008-05-08 アイディーエムオーエス ピーエルシー 歯科用電極アセンブリ
JP5099412B2 (ja) * 2006-03-11 2012-12-19 独立行政法人産業技術総合研究所 変性粘土を用いた膜
JP2009045376A (ja) * 2007-08-23 2009-03-05 Morita Mfg Co Ltd 根尖位置検出装置
EP2101408B1 (de) 2008-03-11 2012-05-16 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Schwimmender Front-end-Verstärker und Einzeldrahtmessgeräte
WO2009125237A1 (fr) * 2008-04-07 2009-10-15 Maillefer Instruments Holding Sarl Procede et dispositif pour determiner la position apicale dans un canal de racine dentaire
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
EP2976965A1 (de) * 2014-07-22 2016-01-27 Braun GmbH Fixierbare Vorrichtung zur Detektion der Mundhöhlenposition
US10568572B2 (en) 2016-03-14 2020-02-25 The Nielsen Company (Us), Llc Headsets and electrodes for gathering electroencephalographic data

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215698A (en) * 1978-06-08 1980-08-05 Abcor, Inc. Dental-caries detector
US4447206A (en) * 1982-01-18 1984-05-08 Junji Ushiyama Device and method for detecting apical constriction in root canal of tooth
DE3719911A1 (de) * 1987-06-15 1988-12-29 Michael Dr Med Gente Vorrichtung zur verhinderung der schaedigung der pulpa von zaehnen durch die zahnaerztliche praeparation bzw. durch das bohren der loecher fuer die anbringung von stiften
US20030044755A1 (en) * 2000-08-09 2003-03-06 Jensen Charles D. Dental diagnostic system and method
KR101499032B1 (ko) * 2013-11-20 2015-03-06 고려대학교 산학협력단 치과 임플란트 골융합 진단장치 및 이를 이용한 진단방법

Also Published As

Publication number Publication date
JP7028970B2 (ja) 2022-03-02
WO2019092164A2 (de) 2019-05-16
EP3706627A2 (de) 2020-09-16
KR20200087195A (ko) 2020-07-20
DE102017126496A1 (de) 2019-05-16
US20210169363A1 (en) 2021-06-10
CN111565635A (zh) 2020-08-21
JP2021502188A (ja) 2021-01-28

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