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以上结果按WHO规定仍属低水平。但较刘大维氏所报告成都市成年人(35岁～)组的龋患率49.00％和龋均1.7个,经统计学处理u分别为4.01和3.41、P<0.01,则有显著性差异。 二、楔状缺损的患病情况(表2)。 分析 一、从表(1)可见三个年龄组龋病的患病规律与过去的资料一致。随年龄增加龋患率和龋均也有增加。女性的龋均略高于男性,经统计学处理,三个年龄组u分别为1.65,1.33,1.79。P<0.05均无显著性差异。龋患率也女性略高。u分别为0.96,0.79,0.89也无显著性差异。
The above results are still at a low level according to the WHO. However, compared with 49% of caries and 1.7% of caries in Chengdu adults (35 years old) reported by Liu Dawei's, the rates of caries were 4.01 and 3.41 respectively (P <0.01). There was a significant difference. Second, wedge-shaped defect prevalence (Table 2). Analysis First, from the table (1) shows that the prevalence of caries in three age groups consistent with the past data. As age increases caries rates and caries are also increased. Female caries were slightly higher than men, the statistical treatment, three age groups u were 1.65,1.33,1.79. P <0.05 showed no significant difference. Caries rates are also slightly higher in women. u respectively 0.96,0.79,0.89 nor significant difference.