The prevalence of dental caries in 1,155 white and black preschool children was studied in the United States in 1969 and 1970. The results demonstrated that white children of the lower socioeconomic level had a significantly greater prevalence of dental caries than middle class white children, but a significantly lower prevalence than black children, most of whom represented the lower social class.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/67244/2/10.1177_00220345740530023501.pd
