Subgingival treatment by powder jet

US6648644B1 · kind B1 · utility

Assignee

• ESPE Dental AG · DE

Inventors

• Thomas Flemmig · Munster, DE
• Bernd Gangnus · Andechs, DE
• Oswald Gasser · Hanerau-Hademarschen, DE
• Rainer Guggenberger · Hanerau-Hademarschen, DE

Key dates

• Filing date: Oct 18, 2001
• Grant date: Nov 18, 2003
• Expiry date: Oct 18, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/412
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to the use of fine powders or powder mixtures for the preparation of an agent for powder-jet cleansing of dental root surfaces, wherein the powders or powder mixtures provide a density of no more than 2.0 g/cm3 and/or a mean particle size of no more than 45 &mgr;m.