title: Broken instrument removal. The endodontic challenge.
authors.affiliation: Loma Linda University, USA.
authors.forename: Clifford J
authors.initials: CJ
authors.lastname: Ruddle
mesh_terms: D003722:Dental Alloys; D003786:Dental Pulp Cavity; D004867:Equipment Design; D004868:Equipment Failure; D005547:Foreign Bodies / Q000628:therapy*; D006801:Humans; D007440:Intubation / Q000295:instrumentation; D008853:Microscopy; D008904:Miniaturization; D009532:Nickel; D018915:Root Canal Preparation / Q000295:instrumentation*; D013193:Stainless Steel; D013499:Surface Properties; D014025:Titanium; D014464:Ultrasonic Therapy / Q000295:instrumentation
chemical_list: D003722:Dental Alloys; C040654:titanium nickelide; D013193:Stainless Steel; D009532:Nickel; D014025:Titanium