| Summary: | 碩士 === 高雄醫學大學 === 口腔衛生科學研究所碩士在職專班 === 94 === Abstract
Background：
The caries prevalence in Taiwan has been obviously high for a long time. It is believed that dietary and oral hygiene habits are the risk factors for the dental caries. 1-3year old children are just at the period of dietary change and tooth eruption, the health of primary teeth will seriously affect the health,eruption and arrangement of the permanent teeth. Thus,this issue has become an important problem in oral public health.
Objective：
The purposes of this research were（1）to explore the relationships between caries and children，s dietary habits, nutrients intake, nursing experience,and sweet intake.（2）to explore the relationships between parent’s dental attitudes and children’s caries condition.
Materials and Methods:
The subjects of this study consisted of 208 children aged 1-3 years old,who were born at a medical center in southern Taiwan. Clinical examinations were carried out by pediatritist, and oral examinations were carried out by dentists. Questionnaries were answered by their parents.Data was analyzed with the t-test, Chi-square test and Wilcoxon rank-sum test for significant differences between variables and caries.
Results：
Two hundred and eight children participated in our study, including 109 boys（52.40％）and 99 girl（47.60％）. there was no significant differences between boys and girls with regard to the caries index. However, the number of decayed teeth increased with their age. We also found that there were no significant differences between nursing habits and caries, but oral hygiene habits after feeding had significant effect on caries（p=0.0044）, There was a significant difference when comparing whether children brushed there teeth or not（p=0.0006）.
Moreover, there was a definite trend between childrens， caries and sweet ＆soft drink intake, especially with sugar-based dairy drink, candy and chocolate intake in the study.
Conclusion：
The intake of sweet, soft drinks and oral hygiene habits are the risk factors for caries. So, parents should educate children to understand the effects, and should pay serious attention to the oral health behavior of children. Furthermore, healthful dietary intake is very important for young children.
Key word：primary teeth, permanent teeth, eruption
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