Pathogenesis of abnormal midline spacing of human central incisors. A histological study of the involvement of the labial frenum.
D003970:Diastema / Q000209:etiology*; D006801:Humans; D007180:Incisor; D007742:Labial Frenum / Q000033:anatomy & histology* / Q000503:physiopathology; D008875:Middle Aged; D009055:Mouth / Q000033:anatomy & histology; D009061:Mouth Mucosa / Q000033:anatomy & histology