Objective To explore the major pathogenic causes of early childhood caries (ECC).

目的探讨早期儿童龋病(ECC)的主要致病因素。

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Objective:To study the relationship between the occurrence of early childhood caries and feeding habits, family economical condition.

目的：研究儿童早期龋的发生与喂养习惯和家庭经济条件的关系。

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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。

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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。

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