龋齿-----龋齿；患龋率；龋均-宝钢职工龋病调查-1对象及方法 关键词】 龋齿；患龋率；龋均 [gap=645]Key words】 caries;caries prevalence;DMFT
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Objective To assess the dental caries prevalence of children in Yinchuan.
目的分析银川市儿童青少年龋病患病的发展趋势及特点。
Differences in blood lead level explained some of the differences in caries prevalence in different income levels and regions of the US.
在某种程度上，血铅水平的差异说明美国居民龋齿发生率与收入水平和地区不同有关。
Objective to investigate the caries prevalence of deciduous among children in Haishu, Ningbo City in order to guide the prevention and cure of the caries of deciduous teeth.
目的了解宁波市海曙区儿童乳牙龋病流行情况以指导今后的乳牙龋病防治工作。
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