Reliability and safety of the voltage gradient method of root canal measurement.
D000818:Animals; D002417:Cattle; D003786:Dental Pulp Cavity / Q000033:anatomy & histology* / Q000502:physiology; D004285:Dogs; D004553:Electric Conductivity; D004708:Endodontics / Q000295:instrumentation*; D008340:Mandibular Nerve / Q000502:physiology