Filing root canals with files radiographic evaluation of 304 cases.
D003762:Dental Instruments; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D007049:Iatrogenic Disease; D011859:Radiography; D012389:Root Canal Obturation; D012390:Root Canal Therapy / Q000009:adverse effects / Q000295:instrumentation; D014092:Tooth Root / Q000000981:diagnostic imaging*