【摘 要】
：
Objectives: To make an investigation of caries of 3 to 5 years old and analyze the correlative factors so as to provide information for early screen and making preventive steps.Methods: 2952 children
【机 构】
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Ningxia Medical University, Yinchuan, 750004, China
【出 处】
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The 11th International Conference of Asian Academy of Preven
论文部分内容阅读
Objectives: To make an investigation of caries of 3 to 5 years old and analyze the correlative factors so as to provide information for early screen and making preventive steps.Methods: 2952 children aged 3-5 years old from 6 counties (city, area) in ningxia were selected for clinical examination.Caries-active and caries-free children were selected to complete the questionnaire.SPSS17.0 statistical software package was used for statistical analysis of the data.
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