[Prevalence and intensity of dental caries and periodontal diseases among schoolchildren of various regions of the USSR].
D000293:Adolescent; D002648:Child; D004245:DMF Index; D003728:Dental Calculus / Q000453:epidemiology; D003731:Dental Caries / Q000453:epidemiology*; D005457:Fluoridation; D006801:Humans; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D014586:USSR; D014505:Urban Population
Rasprostranennost' i intensivnost' kariesa zubov i bolezneĭ parodonta sredi shkol'nikov razlichnykh ragionov strany.