Methods A survey of caries was performed in 1052 non native children according to the Criteria for National Oral Epidermiologic Survey.

方法按全国口腔流行病学调查标准，对10 5 2名外来儿童的龋病进行调查。

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Methods A survey of caries was performed in 1052 non native children according to the Criteria for National Oral Epidermiologic Survey.

方法按全国口腔流行病学调查标准，对10 5 2名外来儿童的龋病进行调查。

youdao