Process for the production of fillings for teeth

US4610631A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Hans-Hermann Beyer · Munich, DE
• Walter Diehl · Hanau, DE
• Karlheinz Eckert · Grundau, DE
• Kurt Eiermann · Pfungstadt, DE
• Hans-Martin Ringelstein · Frankfurt, DE

Key dates

• Filing date: Jan 28, 1985
• Grant date: Sep 9, 1986
• Expiry date: Jan 28, 2005

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K6/884
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Powder of a ductile, mouth resistant metal such as silver, platinum, palladium, aluminum, or titanium, or an alloy thereof, or a cold weldable, mouth resistant synthetic resin, such as a polyacrylate or methacrylate, polycarbonate or polysulfone is worked to a paste with a plastic organic binder which liquifies at 20.degree. to 45.degree. C. This paste is hardened in the tooth cavity by ultrasonic action.