Effect of water fluoridation on dental caries prevention in Ulju-gun

This study was to compare the dental caries status of deciduous and permanent teeth of middle school students, who has water fluoridation program and non-fluoridated in Ulju-gunn, Korea, the DMF rate of 12-year-olds was 59.3% in the water fluoridation group and 59.5% in non-fluoridated group; there was no difference in two groups. The DMFT index was 1.69 in the water fluoridation group and 2.02 in non-fluoridated group, the DMFT index in the water fluoridation group was lower than non-fluoridated groups. The community water fluoridation program has reduced dental caries incidence rate in deciduous and permanent teeth sufficiently to be worth of extension to other communities.