Abstract
The introduction, functioning and results of comminity F- programs in Norway during the 1960''s and 1970''s were examined. Data on the treatment carried out in the school and public dental services were available in official publications. Information on systematic community topical F- programs for priority groups was collected by postal questionnaire from all school and public dental officers. Nine variables were described and used to construct a correlation matrix. During the 1970''s there has been an increase in rinsing and professional topical application at the expense of brushing programs. Though the participation-rate increased steadily among 7-15 yr olds and reached 60% by 1970 and 90% by 1977, the mean number of surfaces filled did not show a consistent downward trend until 1972/1973. The reduction in mean number of surfaces filled from 1972-1976 tended to be biggest in counties with a high mean number of surfaces filled in 1972 (r [correlation coefficient] = 0.79). Regional variations in mean number of surfaces filled decreased markedly during the 1970''s. Problems concerning collection of data on preventive activities are discussed.

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