...志_健康小常识K210.com 关键词】 龋病；患龋率；治疗率；黎族；小学生 [gap=1796]KEY WORDS］ Dental caries; Caries incidence; Treatment rates; Li ethnic minority primary school; Primary school students ..
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Methods According to the standard of the second national oral health epidemiological investigation, the incidence of caries in 3 ~ 74-year-old residents of the two town were examined.
方法按照第二次全国口腔健康流行病学调查标准，对两镇3 ~ 74岁人群进行龋病流行病学抽样调查。
Of the patients suffering from arsenic-fluoride poisoning, the incidence of dental caries and periodontal is higher while the morbidity of mottled enamel is lower.
砷氟联合中毒患者中龋齿和牙周病的患病率较高，而氟牙症的患病率较低。
Objective: Study on the relation between the incidence of dental caries and food impaction.
目的：探讨龋病的发生和食物嵌塞的关系。
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