DE3767177D1 - Verfahren zur verbesserung des reflexionsvermoegens von lebenden elementen fuer dreidimensionale optische auswertung. - Google Patents

Verfahren zur verbesserung des reflexionsvermoegens von lebenden elementen fuer dreidimensionale optische auswertung.

Info

Publication number: DE3767177D1
Authority: DE; Germany
Prior art keywords: reflectivity; improving; dimensional optical; optical evaluation; living elements
Prior art date: 1986-02-20
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 - Fee Related

Application number

DE8787101950T

Other languages

English (en)

Inventor

Michel Mezi

Bernard Duret

Francois Duret

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.)

SPAD LAB

Original Assignee

SPAD LAB

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.)

1986-02-20

Filing date

1987-02-12

Publication date

1991-02-14

1987-02-12 Application filed by SPAD LAB filed Critical SPAD LAB

1991-02-14 Application granted granted Critical

1991-02-14 Publication of DE3767177D1 publication Critical patent/DE3767177D1/de

2007-02-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- 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
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
- 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
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/71—Fillers
- 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
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30952—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using CAD-CAM techniques or NC-techniques

DE8787101950T 1986-02-20 1987-02-12 Verfahren zur verbesserung des reflexionsvermoegens von lebenden elementen fuer dreidimensionale optische auswertung. Expired - Fee Related DE3767177D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8603040A FR2594320B1 (fr)	1986-02-20	1986-02-20	Procede d'amelioration de l'albedo d'elements vivants pour leur analyse optique tridimensionnelle

Publications (1)

Publication Number	Publication Date
DE3767177D1 true DE3767177D1 (de)	1991-02-14

Family

ID=9332749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8787101950T Expired - Fee Related DE3767177D1 (de)	1986-02-20	1987-02-12	Verfahren zur verbesserung des reflexionsvermoegens von lebenden elementen fuer dreidimensionale optische auswertung.

Country Status (8)

Country	Link
EP (1)	EP0234422B1 (de)
JP (1)	JPS62253035A (de)
AT (1)	ATE59767T1 (de)
CA (1)	CA1293925C (de)
DE (1)	DE3767177D1 (de)
ES (1)	ES2020952B3 (de)
FR (1)	FR2594320B1 (de)
GR (1)	GR3001744T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL9200642A (nl) *	1992-04-06	1993-11-01	Elephant Holding Bv	Werkwijze voor het vervaardigen van een tandheelkundige prothese.
DE4214876C2 (de) *	1992-05-05	2000-07-06	Kaltenbach & Voigt	Optische Vermessungen von Zähnen ohne mattierende Oberflächenbehandlung
US6854973B2 (en) *	2002-03-14	2005-02-15	Orametrix, Inc.	Method of wet-field scanning

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2115034A (en) *	1933-12-14	1938-04-26	Du Pont	Process of preparing an organic plastic composition
GB2051396B (en) *	1979-06-01	1982-07-14	Scott P J	Plotter having a part-reflecting mirror device
ATE14073T1 (de) *	1980-12-24	1985-07-15	Werner H Dr Med Dent Moermann	Verfahren zur herstellung medizinischer und zahntechnischer alloplastischer, endo- und exoprothetischer passkoerper.
US4512743A (en) *	1982-02-05	1985-04-23	Johnson & Johnson Dental Products Company	Method for masking discoloration on teeth

1986
- 1986-02-20 FR FR8603040A patent/FR2594320B1/fr not_active Expired - Fee Related
1987
- 1987-02-12 AT AT87101950T patent/ATE59767T1/de not_active IP Right Cessation
- 1987-02-12 EP EP87101950A patent/EP0234422B1/de not_active Expired - Lifetime
- 1987-02-12 ES ES87101950T patent/ES2020952B3/es not_active Expired - Lifetime
- 1987-02-12 DE DE8787101950T patent/DE3767177D1/de not_active Expired - Fee Related
- 1987-02-19 CA CA000530085A patent/CA1293925C/fr not_active Expired - Fee Related
- 1987-02-20 JP JP62035934A patent/JPS62253035A/ja active Pending
1991
- 1991-04-09 GR GR91400460T patent/GR3001744T3/el unknown

Also Published As

Publication number	Publication date
FR2594320A1 (fr)	1987-08-21
FR2594320B1 (fr)	1990-01-19
EP0234422B1 (de)	1991-01-09
ATE59767T1 (de)	1991-01-15
JPS62253035A (ja)	1987-11-04
CA1293925C (fr)	1992-01-07
GR3001744T3 (en)	1992-11-23
EP0234422A1 (de)	1987-09-02
ES2020952B3 (es)	1991-10-16

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Legal Events

Date	Code	Title	Description
1992-02-13	8364	No opposition during term of opposition
1993-02-11	8339	Ceased/non-payment of the annual fee