Electronic apex locators.
Nekoofar
Mohammad H
MH
D003762:Dental Instruments; D003786:Dental Pulp Cavity / Q000033:anatomy & histology*; D017097:Electric Impedance; D004582:Electronics, Medical; D006801:Humans; D009811:Odontometry / Q000295:instrumentation*; D018915:Root Canal Preparation / Q000295:instrumentation*; D019227:Tooth Apex / Q000033:anatomy & histology*