title: Efficient amalgam core elimination and root preservation with ultrasonic instrumentation.
abstract: An efficient ultrasonic vibratory energy technique for the elimination of deeply placed amalgam core in an endodontically treated tooth is presented. Root integrity is ensured by avoiding complete reliance on rotary burs for the removal of the obstructing alloy.
authors.affiliation: Department of Endodontics, University of the Pacific, School of Dentistry, San Francisco, Calif.
authors.forename: W W
authors.initials: WW
authors.lastname: Goon
mesh_terms: D003723:Dental Amalgam / Q000737:chemistry; D003786:Dental Pulp Cavity / Q000033:anatomy & histology; D012534:Dental Scaling / Q000295:instrumentation; D006801:Humans; D007180:Incisor / Q000293:injuries; D008297:Male; D008875:Middle Aged; D011176:Post and Core Technique; D012390:Root Canal Therapy / Q000295:instrumentation / Q000379:methods; D014082:Tooth Fractures / Q000628:therapy; D014464:Ultrasonic Therapy / Q000295:instrumentation* / Q000379:methods; D014732:Vibration
chemical_list: D003723:Dental Amalgam