[Clinico-statistical studies of diastema and some of its etiological factors in the permanent dentition].
D000293:Adolescent; D000328:Adult; D003970:Diastema / Q000453:epidemiology*; D006801:Humans; D014081:Tooth Extraction / Q000009:adverse effects*
Kliniko-statstichni prouchvaniia burkhu diastemata.