Comparison of ultrasonic and hand instruments for the removal of calculus.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003728:Dental Calculus / Q000628:therapy*; D003762:Dental Instruments; D003777:Dental Prophylaxis / Q000295:instrumentation*; D004526:Efficiency; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D006472:Oral Hemorrhage / Q000209:etiology; D014465:Ultrasonics / Q000009:adverse effects