title: Ultrasonic removal of broken instruments in root canals.
authors.forename: O
authors.initials: O
authors.lastname: Nagai
authors.forename: N
authors.initials: N
authors.lastname: Tani
authors.forename: Y
authors.initials: Y
authors.lastname: Kayaba
authors.forename: S
authors.initials: S
authors.lastname: Kodama
authors.forename: T
authors.initials: T
authors.lastname: Osada
mesh_terms: D003786:Dental Pulp Cavity; D004868:Equipment Failure; D006801:Humans; D012390:Root Canal Therapy / Q000009:adverse effects / Q000295:instrumentation*; D014464:Ultrasonic Therapy / Q000295:instrumentation