DE59913400D1 - 3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke - Google Patents

3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke

Info

Publication number
DE59913400D1
DE59913400D1 DE59913400T DE59913400T DE59913400D1 DE 59913400 D1 DE59913400 D1 DE 59913400D1 DE 59913400 T DE59913400 T DE 59913400T DE 59913400 T DE59913400 T DE 59913400T DE 59913400 D1 DE59913400 D1 DE 59913400D1
Authority
DE
Germany
Prior art keywords
camera
surface structures
detecting surface
dental purposes
dental
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
DE59913400T
Other languages
English (en)
Inventor
Joachim Dr Rer Nat Di Pfeiffer
Axel Dipl Phys Schwotzer
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.)
Sirona Dental Systems GmbH
Original Assignee
Sirona Dental Systems GmbH
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 Sirona Dental Systems GmbH filed Critical Sirona Dental Systems GmbH
Priority to DE59913400T priority Critical patent/DE59913400D1/de
Application granted granted Critical
Publication of DE59913400D1 publication Critical patent/DE59913400D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0064—Body surface scanning
    • 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
    • A61B5/103—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
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • 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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608—Height gauges
    • 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
    • G01B11/2513—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 with several lines being projected in more than one direction, e.g. grids, patterns
    • 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
    • G01B11/2527—Projection by scanning of the object with phase change by in-plane movement of the patern
    • 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
DE59913400T 1998-06-30 1999-06-14 3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke Expired - Lifetime DE59913400D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59913400T DE59913400D1 (de) 1998-06-30 1999-06-14 3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19829278A DE19829278C1 (de) 1998-06-30 1998-06-30 3-D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke
DE59913400T DE59913400D1 (de) 1998-06-30 1999-06-14 3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke

Publications (1)

Publication Number Publication Date
DE59913400D1 true DE59913400D1 (de) 2006-06-14

Family

ID=7872564

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19829278A Expired - Fee Related DE19829278C1 (de) 1998-06-30 1998-06-30 3-D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke
DE59913400T Expired - Lifetime DE59913400D1 (de) 1998-06-30 1999-06-14 3D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19829278A Expired - Fee Related DE19829278C1 (de) 1998-06-30 1998-06-30 3-D-Kamera zur Erfassung von Oberflächenstrukturen, insbesondere für zahnmedizinische Zwecke

Country Status (4)

Country Link
US (1) US6885464B1 (de)
EP (1) EP0968687B1 (de)
JP (1) JP2000074635A (de)
DE (2) DE19829278C1 (de)

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EP0968687B1 (de) 2006-05-10
EP0968687A2 (de) 2000-01-05

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