Curettage by ultrasonic instrument. Preliminary report.
D003475:Curettage; D005882:Gingival Diseases; D006801:Humans; D010510:Periodontal Diseases / Q000628:therapy*; D014464:Ultrasonic Therapy; D014465:Ultrasonics / Q000628:therapy*
PERIODONTAL DISEASE/therapy; ULTRASONICS/therapy