title: Clinical investigation of measuring working lengths of root canals with an electronic device and with digital-tactile sense.
mesh_terms: D002508:Cephalometry / Q000379:methods*; D003786:Dental Pulp Cavity; D004708:Endodontics / Q000379:methods; D006801:Humans; D009811:Odontometry / Q000379:methods*; D012390:Root Canal Therapy; D013997:Time Factors; D014110:Touch; D014465:Ultrasonics