Dental handpieces and rotary cutting instruments.
D000388:Air; D000391:Air Microbiology; D003737:Dental Cavity Preparation; D003754:Dental High-Speed Equipment; D003762:Dental Instruments / Q000145:classification / Q000266:history; D003782:Dental Pulp; D006317:Hearing Loss, Noise-Induced; D049673:History, 20th Century; D009622:Noise; D013242:Sterilization; D014867:Water
D014867:Water