WO2004085956A3 - Laser digitizer system for dental applications - Google Patents

Laser digitizer system for dental applications Download PDF

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Publication number
WO2004085956A3
WO2004085956A3 PCT/US2004/008410 US2004008410W WO2004085956A3 WO 2004085956 A3 WO2004085956 A3 WO 2004085956A3 US 2004008410 W US2004008410 W US 2004008410W WO 2004085956 A3 WO2004085956 A3 WO 2004085956A3
Authority
WO
WIPO (PCT)
Prior art keywords
image
laser
oral
digitizer system
digitizer
Prior art date
Application number
PCT/US2004/008410
Other languages
French (fr)
Other versions
WO2004085956A2 (en
Inventor
Henley Quadling
Mark Quadling
Alan Blair
Original Assignee
D3D L P
Henley Quadling
Mark Quadling
Alan Blair
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 D3D L P, Henley Quadling, Mark Quadling, Alan Blair filed Critical D3D L P
Priority to CA002519075A priority Critical patent/CA2519075C/en
Priority to JP2006507355A priority patent/JP5189287B2/en
Priority to EP04757862A priority patent/EP1606576A4/en
Priority to AU2004223469A priority patent/AU2004223469B2/en
Publication of WO2004085956A2 publication Critical patent/WO2004085956A2/en
Publication of WO2004085956A3 publication Critical patent/WO2004085956A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1077—Measuring of profiles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • 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
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • 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
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
    • A61B5/4542—Evaluating the mouth, e.g. the jaw
    • A61B5/4547—Evaluating teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2518—Projection by scanning of the object

Abstract

A intra-oral laser digitizer system (100) provides a three-dimensional visual image of a real-world object such as a dental item (108) through a laser digitization. The laser digitizer (100) captures an image of the object (108) by scanning multiple portions of the object (108) in an exposure period. The infra-oral digitizer (100) may be inserted into an oral cavity (in vivo) to capture an image of a dental item (108) such as a tooth, multiple teeth or dentition. The captured image is processed to generate the three-dimension visual image.
PCT/US2004/008410 2003-03-24 2004-03-19 Laser digitizer system for dental applications WO2004085956A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002519075A CA2519075C (en) 2003-03-24 2004-03-19 Laser digitizer system for dental applications
JP2006507355A JP5189287B2 (en) 2003-03-24 2004-03-19 Dental laser digitizer system
EP04757862A EP1606576A4 (en) 2003-03-24 2004-03-19 Laser digitizer system for dental applications
AU2004223469A AU2004223469B2 (en) 2003-03-24 2004-03-19 Laser digitizer system for dental applications

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45702503P 2003-03-24 2003-03-24
US60/457,025 2003-03-24

Publications (2)

Publication Number Publication Date
WO2004085956A2 WO2004085956A2 (en) 2004-10-07
WO2004085956A3 true WO2004085956A3 (en) 2006-03-30

Family

ID=33098187

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/008410 WO2004085956A2 (en) 2003-03-24 2004-03-19 Laser digitizer system for dental applications

Country Status (6)

Country Link
US (3) US7184150B2 (en)
EP (1) EP1606576A4 (en)
JP (1) JP5189287B2 (en)
AU (2) AU2004223469B2 (en)
CA (1) CA2519075C (en)
WO (1) WO2004085956A2 (en)

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