title: Two hundred and fifty years of rotary instruments in dentistry.
mesh_terms: D000388:Air; D000399:Air Pressure; D003737:Dental Cavity Preparation / Q000266:history; D003754:Dental High-Speed Equipment / Q000266:history; D003762:Dental Instruments / Q000266:history*; D004560:Electricity; D004581:Electronics / Q000295:instrumentation; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012399:Rotation