[Dental stain removal (2)].
D003777:Dental Prophylaxis / Q000295:instrumentation*; D012534:Dental Scaling / Q000295:instrumentation; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D014075:Tooth Discoloration / Q000628:therapy; D014464:Ultrasonic Therapy / Q000295:instrumentation