WO2009046922A8 - Vorrichtung zum erkennen von bakteriellem befall an zähnen - Google Patents

Vorrichtung zum erkennen von bakteriellem befall an zähnen Download PDF

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Publication number
WO2009046922A8
WO2009046922A8 PCT/EP2008/008329 EP2008008329W WO2009046922A8 WO 2009046922 A8 WO2009046922 A8 WO 2009046922A8 EP 2008008329 W EP2008008329 W EP 2008008329W WO 2009046922 A8 WO2009046922 A8 WO 2009046922A8
Authority
WO
WIPO (PCT)
Prior art keywords
teeth
bacterial infection
detecting signs
coupled
receiving unit
Prior art date
Application number
PCT/EP2008/008329
Other languages
English (en)
French (fr)
Other versions
WO2009046922A1 (de
Inventor
Thomas Hennig
Original Assignee
Ferton Holding S.A.
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 Ferton Holding S.A. filed Critical Ferton Holding S.A.
Priority to EP08838281A priority Critical patent/EP2209415A1/de
Priority to US12/680,936 priority patent/US8456636B2/en
Publication of WO2009046922A1 publication Critical patent/WO2009046922A1/de
Publication of WO2009046922A8 publication Critical patent/WO2009046922A8/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6484—Optical fibres

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Dentistry (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Endoscopes (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Bei einer Vorrichtung zum Erkennen von bakteriellem Befall an Zähnen, mit einer Lichtquelle (18), einer Empfangseinheit (20), einer Auswerteeinheit (28), die mit der Empfangseinheit (20) gekoppelt ist, mindestens einer Emissionsfaser (14), die mit der Lichtquelle (18) gekoppelt ist, und mindestens einer Detektionsfaser (16), die mit der Empfangseinheit (20) gekoppelt ist, ist vorgesehen, dass sowohl die Emissions- (14) als auch die Detektionsfaser (16) einen Akzeptanzwinkel größer als 35° aufweisen.
PCT/EP2008/008329 2007-10-01 2008-10-01 Vorrichtung zum erkennen von bakteriellem befall an zähnen WO2009046922A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08838281A EP2209415A1 (de) 2007-10-01 2008-10-01 Vorrichtung zum erkennen von bakteriellem befall an zähnen
US12/680,936 US8456636B2 (en) 2007-10-01 2008-10-01 Device for detecting signs of bacterial infection of the teeth

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007047067A DE102007047067A1 (de) 2007-10-01 2007-10-01 Vorrichtung zum Erkennen von bakteriellem Befall an Zähnen
DE102007047067.5 2007-10-01

Publications (2)

Publication Number Publication Date
WO2009046922A1 WO2009046922A1 (de) 2009-04-16
WO2009046922A8 true WO2009046922A8 (de) 2010-06-03

Family

ID=40310599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/008329 WO2009046922A1 (de) 2007-10-01 2008-10-01 Vorrichtung zum erkennen von bakteriellem befall an zähnen

Country Status (4)

Country Link
US (1) US8456636B2 (de)
EP (1) EP2209415A1 (de)
DE (1) DE102007047067A1 (de)
WO (1) WO2009046922A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014000745A1 (en) * 2012-06-27 2014-01-03 3Shape A/S 3d intraoral scanner measuring fluorescence
US10010387B2 (en) * 2014-02-07 2018-07-03 3Shape A/S Detecting tooth shade
TWI708207B (zh) 2018-08-30 2020-10-21 廣達電腦股份有限公司 牙齒螢光反應區域之影像處理方法及其影像處理裝置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718406A (en) * 1982-06-28 1988-01-12 The United States Of America As Represented By The Secretary Of The Navy Fiber optics image scope (micro-endoscope), ureteroscope
DE4200741C2 (de) 1992-01-14 2000-06-15 Kaltenbach & Voigt Einrichtung zum Erkennen von Karies an Zähnen
DE4301477C1 (de) * 1993-01-21 1993-12-23 Deutsche Aerospace Faseroptische Anordnung zur richtungsabhängigen Erfassung von optischer Strahlung
DE9317984U1 (de) * 1993-11-24 1995-03-23 Kaltenbach & Voigt Vorrichtung zum Erkennen von Karies
US5570182A (en) * 1994-05-27 1996-10-29 Regents Of The University Of California Method for detection of dental caries and periodontal disease using optical imaging
DE19541686B4 (de) 1995-11-08 2009-08-06 Kaltenbach & Voigt Gmbh & Co. Kg Vorrichtung zum Erkennen von Karies, Plaque oder bakteriellem Befall an Zähnen
DE19825021A1 (de) * 1998-06-04 1999-12-09 Kaltenbach & Voigt Verfahren und Vorrichtung zum Erkennen von Karies, Plaque, Konkrementen oder bakteriellem Befall an Zähnen
US6573984B2 (en) * 1998-06-30 2003-06-03 Lj Laboratories Llc Apparatus and method for measuring optical characteristics of teeth
DE10133451B4 (de) * 2001-07-10 2012-01-26 Ferton Holding S.A. Vorrichtung zum Erkennen von Karies, Plaque, Konkrementen oder bakteriellem Befall an Zähnen
DE10222828B4 (de) * 2002-05-21 2008-05-15 3M Espe Ag Bestrahlungsgerät
DE102004024165A1 (de) * 2004-05-14 2005-12-01 Kaltenbach & Voigt Gmbh & Co. Kg Zahnärztliche Vorrichtung zum Untersuchen der optischen Eigenschaften von Zahngewebe
DE102004024494B4 (de) 2004-05-16 2019-10-17 Dürr Dental SE Medizinische Kamera
US20100040993A1 (en) 2006-06-23 2010-02-18 Dentsply Canada Ltd. Apparatus and method for detecting dental pathologies

Also Published As

Publication number Publication date
US20100216087A1 (en) 2010-08-26
EP2209415A1 (de) 2010-07-28
DE102007047067A1 (de) 2009-04-02
US8456636B2 (en) 2013-06-04
WO2009046922A1 (de) 2009-04-16

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