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本文报告了138例3～6岁幼儿园儿童龋患情况,同时测定了唾液SIgA、IgG、C3、C4、转铁蛋白及铁蛋白含量。结果为:平均龋患率为60.86％,4岁以上小儿龋患率(66.95％)明显高于4岁以下小儿(34.78％),X~2=7.880,P<0.01,差异有非常显著意义。平均龋均3.55,高于国内多数报道。唾液中所测各项物质含量龋患儿组稍低于正常儿组,但差异无显著意义,P>0.05。对其可能原因进行了分析。认为自然免疫对龋齿的发生及预防作用尚不能定论,值得进一步研究。
In this paper, 138 cases of caries in children aged 3 to 6 years old were reported. SIgA, IgG, C3, C4, transferrin and ferritin were measured simultaneously. The results showed that the average caries prevalence rate was 60.86%. The caries prevalence in children over 4 years old was 66.95%, significantly higher than that in children under 4 years old (34.78%), X ~ 2 = 7.880, P <0.01. The average caries were 3.55, higher than the majority of domestic reports. Saliva measured in the content of various substances in children with caries was slightly lower than the normal children group, but the difference was not significant, P> 0.05. The possible causes were analyzed. That natural immunity on the occurrence and prevention of dental caries can not be conclusive, it is worth further study.