Clinical effect of fluoride agents in prevention of caries in preschool children / 中国基层医药

ABSTRACT

Objective To evaluate the clinical effect of fluoride agents in prevention of caries in preschool 4 to 5 years old children.Methods 700 kindergartens 4 -5 years old children were selected to conduct prevention study with the agree of guardian.The children were randomly divided into observation group and control group. 350 preschool children in the control group received regular oral health measures and fluoride foam treatment every six months.350 preschool children in the observation group received fluoride products every six months on the basis of the control group.After two years study,the deciduous caries and caries rate of the two groups were analyzed.Results After prevention of dental caries 24 months,the prevalence of dental caries and caries of deciduous teeth surface in the observation group significantly reduced,and were significantly lower than the control group ( observation groupcaries prevalence 11.3%,caries mean 0.85;control groupcaries prevalence 36.1%,caries mean 1.77),the deciduous caries rate and the number of surface caries between the two groups had statistically significant differences (χ2 =4.339 1,3.016 8,all P<0.05).Conclusion Child deciduous dental caries in China is still at a relatively high inci-dence of disease,regular use of fluoride foam and fluoride products namely fluor protector can significantly prevent dental caries,oral health measures than on a regular basis is more effective,and significantly reduce deciduous caries among children,protection of children's oral health,and it is worth further clinical application.