[An epidemiologic survey of caries frequency and periodontal status in children 6 to 15 years of age in 11 provincial regions in central France, Bourgogne and the Ile de France].

An epidemiological survey of dental caries and periodontal conditions was conducted on 2,022 children in eleven french "departments" of Center of France and part of Bourgogne and lle de France. It showed a dft of 3.03 and dfs of 4.