An Epidemiological Investigation On Early Childhood Caries Among3to5Years Of Uygur And Han Chinese Children In Kashgar

Objective:The purpose of this study was to establish the prevalence and severity of early childhood caries among3to5years Uygur and Han Chinese children from kashgar city.To provide a scientific basis for in-depth study on the molecular level of caries and lay the foundation for the two ethnic primary caries prevention.Methods:According to the Basic Methods in Oral Health Surveys:from World Health Organization and The Third National Oral Health Investigation,a random stratified cluster sampling technique was used in this study,1019children age from3to5years in10kindergartens were conducted and oral health clinically examined.The results were analyzed using SPSS17.0,the chi-square test and rank sum test were used for statistical analysis.Results:The prevalence of early childhood caries all samples was74.58%,the mean dmft value was4.04±3.83,all decayed teeth were4114.(1) Age have statistical significance in the distribution of prevalence (P<0.05),there were no statistical significant in the distribution of prevalence and the mean dmft value of ethnic, gender and different area (P>0.05).(2) The prevalence of S-ECC was38.47%,the mean dmft value was7.97±2.94,there were statistical significant in the prevalence of different area (P<0.05),the rural area was higher than urban area.(3)The filling rate was0.73%, there were statistical significant in the filling rate of different area and ethnic (P<0.05).(4)The prevalence of mandibular second primary molar were significantly more common than other teeth.Conclusion:Early childhood caries of3to5years old children began early in Kashgar,while Filling rates was low.The prevalence of early childhood caries and the mean dmft value were high.Hence prevention programs at grass root levels should be developed to educate teachers and parents,also the target population for such education programs should be used two languages(Uygur and Chinese),Especially in the rural areas of various forms of publicity,it has important practical significance for the study of Uygur children’s oral disease prevention.