title: A simplified model to demonstrate the operation of electronic root canal measuring devices.
abstract: This article describes how to construct and use a simplified model to demonstrate the operation of electronic root canal measuring devices. The model is effective, more economical than those previously described, and uses readily available materials.
authors.affiliation: U.S. Army Dental Activity, Ft. Hood, TX.
authors.forename: J C
authors.initials: JC
authors.lastname: Donnelly
mesh_terms: D006801:Humans; D008961:Models, Structural; D009811:Odontometry / Q000295:instrumentation*; D012390:Root Canal Therapy / Q000295:instrumentation*; D013664:Teaching Materials; D014092:Tooth Root / Q000033:anatomy & histology