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龋齿是一种危害儿童口腔健康的最常见的疾病,为了了解渭南市学龄前儿童龋齿的发病情况,本文对846名3～6岁儿童进行了小儿龋齿情况调查。结果显示:患龋人数537名,患龋率63.48％;患龋总齿数2197枚,受检儿龋均2.6枚,患者龋均4.09枚;男女儿童患龋率,经统计学检验x~2=0.494,P>0.05,无性别差异;3～6岁不同年龄儿童患龋率随年龄增长而上升,其相关系数r=0.989,经相关系数显著性检验t值为9.387,P<0.01,说明两者高度相关;患龋儿童常多个牙齿同时受累,
Dental caries is one of the most common diseases that endanger children's oral health. In order to understand the incidence of dental caries in preschool children in Weinan, 846 pediatric caries in children aged 3 to 6 years were investigated. The results showed that there were 537 caries patients and 63.48% caries rate. There were 2197 teeth with caries, including 2.6 caries and 4.09 caries. The caries prevalence of boys and girls was statistically significant (x 2 = 0.494, P> 0.05, no gender differences; 3 to 6-year-old children of different ages increased caries prevalence with age, the correlation coefficient r = 0.989, t test by the correlation coefficient was 9.387, P <0.01, Who are highly related; children suffering from caries often multiple teeth involved,