Optical measurement of teeth

US5386292A · kind A · utility

Assignee

• KALTENBACH & VOIGT GMBH · DE

Inventors

• Robert Massen · Schallstadt, DE
• Joachim Gassler · Geisingen, DE
• Christian Konz · Radolfzell, DE
• Harald Richter · Neuenbürg, DE

Key dates

• Filing date: Apr 27, 1993
• Grant date: Jan 31, 1995
• Expiry date: Apr 27, 2013

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61C9/004
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

3D tooth measurement by means of an optical probe wherein a prior matting treatment of the tooth to be measured can be dispensed with. The consequential reflection-dependent measuring errors are compensated by an error correction method.