| [the dental health of permanently resident schoolchildren in 16 zurich rural communities in 1992]. | between 1964 and 1992, caries prevalence (dmft) of permanently resident school children in 16 communities in the canton of zurich decreased by 85 to 87%. in the ten- to fourteen-year-olds, the reduction amounted to 25-29% in the period of 1988 to 1992. in 1992, the fourteen-year-olds had only 1.90 dmft and 2.49 dfs, the average ds being 0.28. the 21% children with the highest caries experience showed only 9 dfs on average. such a low caries activity does not favour positive cost-benefit results ... | 1995 | 7494975 |