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。
The prevalence of poor eyesight was the highest in the three common diseases and followed by caries and trachoma .
三种常见病中，视力低下的患病率最高，其次是龋齿，沙眼患病率较低。
There is a high prevalence rate of early childhood caries(ECC), and it results from a multiplication of risk factors, including different hosts, microorganisms and inappropriate behaviors.
儿童早期龋（ECC）的患病率一直居高不下，其发生是宿主因素、生物学因素和行为因素等多因素作用的结果。
The prevalence of poor eyesight was the highest in the three common diseases and followed by caries and trachoma.
三种常见病中，视力低下的患病率最高，其次是龋齿，沙眼患病率较低。
Methods The survey of prevalence of dental caries in group aged 12 and 15 years in Anhui province was conducted using the non-proportional, stratified, cluster sampling method.
方法对安徽省四县市的12岁及15岁儿童的龋病发病情况进行抽样调查，采用分层、不等比、多阶段整群抽样的方法。
The prevalence of nutritional iron deficiency anemia and baby teeth dental caries was downgrade year by year.
肥胖儿发生率逐年上升；营养性缺铁性贫血、乳牙龋齿患病率呈逐年下降趋势。
RESULTS: The indexes of the prevalence rate of dental caries , caries average, GI, OHI-sin the experimental group after teeth brushing education were better than in the control group (P<0.01).
结果：实验组刷牙教育后患龋率、龋均、牙龈指数、简化口腔卫生指数均低于对照组，差异显著（P<0.01）。
Method a survey of the prevalence of caries, periodontal disease and awareness of oral heath care was carried out in 769 pregnant women.
方法：对769例孕妇的患龋率、牙周病及自我保健意识进行调查分析。
Conclusions Environmental lead exposure is associated with an increased prevalence of dental caries in the us population.
结论：环境性铅接触与美国居民龋齿发生率增多相关。
The aims are to gather data on caries (tooth decay) prevalence for children under 4 years old and to determine possible associations with infant feeding and oral hygiene habits.
本研究收集该方面的资料并寻找龋齿与婴儿期摄取食物方法及口腔卫生习惯之间可能存在的关联。
The aims are to gather data on caries (tooth decay) prevalence for children under 4 years old and to determine possible associations with infant feeding and oral hygiene habits.
本研究收集该方面的资料并寻找龋齿与婴儿期摄取食物方法及口腔卫生习惯之间可能存在的关联。
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