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作者利用双生子法对佳木斯市61对双生子(其中单卵双生23对;双卵双生38对)龋齿情况进行了分析。结果表明,单卵双生子与双卵双生子龋病变异存在差异(P<0.05)。根据Jenson和Holzinger的公式计算龋病的遗传度分别是22.0±11.9%和28.3±8.7%。
The author analyzed the situation of 61 pairs of twins (including 23 pairs of monozygotic twins and 38 pairs of pairs of twins) in Jiamusi City by using twins method. The results showed that single-egg twins and double-egg twins caries variation (P <0.05). The heritabilities of caries calculated by Jenson and Holzinger’s formula were 22.0 ± 11.9% and 28.3 ± 8.7%, respectively.