Roentgenographic comparison of state of teeth in dental students in 1948 and 1968.
D000328:Adult; D004245:DMF Index; D003731:Dental Caries / Q000000981:diagnostic imaging* / Q000453:epidemiology; D003753:Dental Health Surveys; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D011861:Radiography, Dental; D012737:Sex Factors; D013335:Students, Dental; D013548:Sweden; D013997:Time Factors