title: The periodontal curet and the ultrasonic scaler. Their effectiveness in removing overhangs from amalgam restorations.
mesh_terms: D003723:Dental Amalgam; D003777:Dental Prophylaxis / Q000295:instrumentation*; D003793:Dental Restoration, Permanent; D012534:Dental Scaling / Q000295:instrumentation*; D006801:Humans; D013357:Subgingival Curettage / Q000295:instrumentation*; D013499:Surface Properties; D014070:Tooth / Q000033:anatomy & histology; D014464:Ultrasonic Therapy / Q000295:instrumentation*
chemical_list: D003723:Dental Amalgam