Fusion and transpositioning.
D005671:Fused Teeth / Q000000981:diagnostic imaging*; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008297:Male; D008310:Malocclusion / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography; D014071:Tooth Abnormalities / Q000000981:diagnostic imaging*