[Caries prevalence, degree of cure, and oral hygiene in preschool children. 2. Improvement in oral health from 1983-1985].

341 children, age 3 to 6, were examined for caries prevalence and oral hygiene in kindergardens in Göttingen. 59% of subjects had healthy natural dentitions, the DFS was 2.3, which was 40% lower than in a comparable study two years before. Oral health had improved differently in the various institutions. The mean DSF was between 1 and 5.1. Only 20% of teeth with caries lesions had an intact filling.