until a few years ago , the results of most surveys of the prevalence of dental caries among school-age children in the united states , particularly those done in the south , showed that black children had a lower prevalence of dental caries than did white children who lived in the same community.4-6,11,16,19,20-23,25 however , in several recent surveys , the formerly observed race-caries relation has not been detected.2,8,17,18,26 in connection with a study initiated in 1972 in nelson county , virginia to determine the effectiveness of a combination of self-applied procedures for the administration of fluoride , baseline data on dental caries experience were collected for 1,374 white and 761 black children attending the county 's public schools .
C0016327
fluoride
C0011334
dental caries