title: Establishing endodontic working length: a comparison of radiographic and electronic methods.
mesh_terms: D003786:Dental Pulp Cavity / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D004553:Electric Conductivity; D004582:Electronics, Medical / Q000295:instrumentation; D006801:Humans; D009811:Odontometry / Q000295:instrumentation; D011859:Radiography; D012390:Root Canal Therapy / Q000295:instrumentation / Q000379:methods*; D014092:Tooth Root / Q000033:anatomy & histology / Q000000981:diagnostic imaging