after adjustment of the mean increments for differences in ses , age , race , and sex in rinse and control groups , high caries formers ( approximately 25 % of the children ) in the rinse and control groups in fluoride deficient areas showed increments of 7.00 and 7.79 surfaces , respectively , indicating a savings of 0.79 surfaces .
C0011334
caries
C0016327
fluoride