title: A home-made apex locator.
authors.forename: P C
authors.initials: PC
authors.lastname: Foreman
authors.forename: M
authors.initials: M
authors.lastname: Howat
mesh_terms: D003786:Dental Pulp Cavity / Q000033:anatomy & histology*; D004581:Electronics / Q000295:instrumentation; D006801:Humans; D009811:Odontometry / Q000295:instrumentation; D012390:Root Canal Therapy / Q000295:instrumentation*; D014092:Tooth Root / Q000033:anatomy & histology