Presence of fourth molars in a group of dental students.
D000328:Adult; D006801:Humans; D008297:Male; D011859:Radiography; D013335:Students, Dental; D014096:Tooth, Supernumerary / Q000000981:diagnostic imaging / Q000453:epidemiology*; D014097:Tooth, Unerupted / Q000000981:diagnostic imaging