[Dental radiography during root canal measurement].
D003786:Dental Pulp Cavity / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D006801:Humans; D009811:Odontometry; D011859:Radiography; D012390:Root Canal Therapy / Q000295:instrumentation; D014092:Tooth Root / Q000033:anatomy & histology / Q000000981:diagnostic imaging*