title: [Problems of dental preparation instruments made of hard metal. Rotating instruments important to the topic of research].
mesh_terms: D000497:Alloys; D003737:Dental Cavity Preparation / Q000295:instrumentation*; D012106:Research; D012399:Rotation
chemical_list: D000497:Alloys
vernacular_title: Zur Problematik zahnärztlicher Präparationswerkzeuge aus Hartmetall. Rotierende Instrumente wichtiger Gegenstand der Forschung.