Investigation on dental caries among 2 713 preschool children from private kindergarten in Chongqing city / 重庆医学

ABSTRACT

Objective To investigate the status of dental caries of deciduous teeth among preschool children from private kin-dergarten in Chongqing city.Methods According to the criteria recommended by The Third National Oral Health Investigation,the deciduous caries of 2 713 preschool children aged 3 to 6 years from 40 private kindergartens in Yuzhong district were examined.The prevalence of dental caries and the mean dmft were calculated.The results were analyzed using SPSS21.0 software package. Results The prevalence of dental caries was 61.04%.The mean dmft score was 3.12,the filling rate was 0.4%.The caries preva-lence of 3-,4-,5-,6-year-old children were found to be 42.51%,59.53%,67.76% and 74.85%,and the mean dmft score were 2. 71,3.68,3.96 and 4.09.The prevalence of dental caries and mean dmft increased gradually as the children was statistically signifi-cant(P 0.05).Conclusion Deciduous dental caries of preschool children from private kindergartens was an important problem in Chongqing city,and the filling rate was very low.