The identification of double canals and double rooted anterior teeth by Walton's projection.
D003481:Cuspid / Q000002:abnormalities* / Q000000981:diagnostic imaging; D003786:Dental Pulp Cavity / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D007180:Incisor / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011859:Radiography; D014092:Tooth Root / Q000002:abnormalities* / Q000000981:diagnostic imaging