Ultrasonic root planing.
D003728:Dental Calculus / Q000628:therapy; D003777:Dental Prophylaxis / Q000379:methods*; D012534:Dental Scaling / Q000295:instrumentation / Q000379:methods*; D004867:Equipment Design; D008855:Microscopy, Electron, Scanning; D014092:Tooth Root / Q000033:anatomy & histology / Q000601:surgery*; D014465:Ultrasonics / Q000295:instrumentation*; D014732:Vibration