title: Conventional vs. electronic endodontic measurement: the Sono-Explorer.
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D003786:Dental Pulp Cavity / Q000033:anatomy & histology*; D004582:Electronics, Medical / Q000295:instrumentation; D006801:Humans; D012390:Root Canal Therapy / Q000295:instrumentation* / Q000379:methods