Root canal morphology of mandibular first and second premolars.
D001641:Bicuspid / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D003786:Dental Pulp Cavity / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006801:Humans; D008334:Mandible; D008963:Molar / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011859:Radiography