title: The upper mid-line space and its relation to the labial fraenum in children and in adults. A statistical evaluation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003116:Color; D003970:Diastema / Q000209:etiology*; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology; D007223:Infant; D007742:Labial Frenum / Q000033:anatomy & histology*; D008875:Middle Aged; D013223:Statistics as Topic; D014094:Tooth, Deciduous / Q000033:anatomy & histology