title: Agenesis of a primary and permanent incisor.
mesh_terms: D000848:Anodontia / Q000000981:diagnostic imaging*; D002648:Child; D006801:Humans; D007180:Incisor / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D014094:Tooth, Deciduous / Q000002:abnormalities* / Q000000981:diagnostic imaging