Instrumentation.
D003762:Dental Instruments; D003777:Dental Prophylaxis / Q000295:instrumentation*; D012534:Dental Scaling / Q000295:instrumentation*; D006801:Humans; D010510:Periodontal Diseases / Q000628:therapy*; D010517:Periodontics / Q000295:instrumentation; D014092:Tooth Root / Q000601:surgery