Objective To investigate the oral health status of preschool children in Shenyang,to formulate the intervention project, and to evaluate the effect of intervention.Methods All children from two kindergartens with similar conditions and scale in Shenyang were selected as participants. The general situation questionnaire, childrens′oral health care knowledge demand questionnaire and the children′s oral health checklist were used as tools. The effect of intervention was evaluated in six months and one year after intervention.Results The average number of caries in preschool children among Shenyang was 2.82, and the prevalence rate of dental caries was 62.9%. After six months of intervention, the average number of caries and its prevalence increased in both groups. But the increase of dental caries prevalence in intervention group was significantly lower than that in control group (P＜0.05). After one year of intervention, the average number of caries and its prevalence decreased in both groups. And there was no statistically significant difference between one year and the baseline in the average number of caries and caries prevalence rate in intervention group (P＞0.05), but not in control group. In the process of intervention, the rate of caries treatment for children with caries was improved, but the difference between the two groups was not significant (P＞0.05).Conclusion The prevalence of dental caries in preschool children in Shenyang is relatively high,so early health education and intervention should be emphasized.
Key words
preschool children /
oral health status /
intervention
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