title: Persisting maxillary diastema: differential diagnosis and treatment.
mesh_terms: D000293:Adolescent; D002648:Child; D003724:Dental Arch / Q000033:anatomy & histology; D003937:Diagnosis, Differential; D003970:Diastema / Q000209:etiology* / Q000628:therapy; D005260:Female; D006801:Humans; D007180:Incisor; D007742:Labial Frenum; D008047:Lip Diseases / Q000150:complications; D008297:Male; D008437:Maxilla; D003765:Models, Dental; D012008:Recurrence; D014070:Tooth / Q000033:anatomy & histology