CA2433797A1 - Assessment of tooth structure using laser based ultrasonics - Google Patents

Assessment of tooth structure using laser based ultrasonics Download PDF

Info

Publication number
CA2433797A1
CA2433797A1 CA002433797A CA2433797A CA2433797A1 CA 2433797 A1 CA2433797 A1 CA 2433797A1 CA 002433797 A CA002433797 A CA 002433797A CA 2433797 A CA2433797 A CA 2433797A CA 2433797 A1 CA2433797 A1 CA 2433797A1
Authority
CA
Canada
Prior art keywords
tooth
comprised
detection means
laser
pulsed laser
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.)
Abandoned
Application number
CA002433797A
Other languages
English (en)
French (fr)
Inventor
David W. Blodgett
Kevin C. Baldwin
Donald D. Duncan
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.)
Johns Hopkins University
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2433797A1 publication Critical patent/CA2433797A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0875—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/485—Diagnostic techniques involving measuring strain or elastic properties

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Acoustics & Sound (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Laser Surgery Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CA002433797A 2001-01-11 2002-01-10 Assessment of tooth structure using laser based ultrasonics Abandoned CA2433797A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26109001P 2001-01-11 2001-01-11
US60/261,090 2001-01-11
PCT/US2002/001138 WO2002054948A1 (en) 2001-01-11 2002-01-10 Assessment of tooth structure using laser based ultrasonics

Publications (1)

Publication Number Publication Date
CA2433797A1 true CA2433797A1 (en) 2002-07-18

Family

ID=22991909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002433797A Abandoned CA2433797A1 (en) 2001-01-11 2002-01-10 Assessment of tooth structure using laser based ultrasonics

Country Status (9)

Country Link
US (1) US7285091B2 (US20040077949A1-20040422-M00004.png)
EP (1) EP1351602B1 (US20040077949A1-20040422-M00004.png)
JP (1) JP2004536620A (US20040077949A1-20040422-M00004.png)
AT (1) ATE333828T1 (US20040077949A1-20040422-M00004.png)
AU (1) AU2002245263B2 (US20040077949A1-20040422-M00004.png)
CA (1) CA2433797A1 (US20040077949A1-20040422-M00004.png)
DE (1) DE60213362T2 (US20040077949A1-20040422-M00004.png)
IL (1) IL156890A0 (US20040077949A1-20040422-M00004.png)
WO (1) WO2002054948A1 (US20040077949A1-20040422-M00004.png)

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Also Published As

Publication number Publication date
AU2002245263B2 (en) 2005-11-03
US7285091B2 (en) 2007-10-23
DE60213362D1 (de) 2006-09-07
EP1351602B1 (en) 2006-07-26
DE60213362T2 (de) 2007-08-23
IL156890A0 (en) 2004-02-08
US20040077949A1 (en) 2004-04-22
JP2004536620A (ja) 2004-12-09
WO2002054948A1 (en) 2002-07-18
ATE333828T1 (de) 2006-08-15
EP1351602A1 (en) 2003-10-15

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