Patent accessory canals: incidence in molar furcation region.
D003786:Dental Pulp Cavity / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006801:Humans; D008963:Molar / Q000033:anatomy & histology*; D011859:Radiography; D014092:Tooth Root / Q000033:anatomy & histology* / Q000000981:diagnostic imaging