title: Comparison of effects of ultrasonic and sonic instrumentation on amalgam restorations.
authors.forename: J E
authors.initials: JE
authors.lastname: Sivers
authors.forename: G K
authors.initials: GK
authors.lastname: Johnson
mesh_terms: D003723:Dental Amalgam; D003793:Dental Restoration, Permanent / Q000295:instrumentation*; D014465:Ultrasonics
chemical_list: D003723:Dental Amalgam