Gingival curettage by hand and ultrasonic instruments: a histologic comparison.
D003777:Dental Prophylaxis / Q000009:adverse effects*; D006801:Humans; D010518:Periodontitis / Q000473:pathology* / Q000601:surgery*; D013357:Subgingival Curettage / Q000295:instrumentation*; D014465:Ultrasonics / Q000009:adverse effects*; D014945:Wound Healing