title: Tongue tie as a cause of deformity of lower central incisor.
mesh_terms: D000013:Congenital Abnormalities / Q000235:genetics; D003970:Diastema / Q000209:etiology*; D006801:Humans; D007180:Incisor; D008035:Lingual Frenum / Q000002:abnormalities*; D008297:Male; D014059:Tongue / Q000002:abnormalities*