目的：探讨学龄前儿童刷牙行为保健干预效果。方法成立教育培训小组，对本社区某幼儿园62名3岁儿童进行针对性的口腔保健教育及刷牙行为干预，为期3个月。于干预前后采用《学龄前儿童刷牙行为调查问卷》和《刷牙评分标准》进行测评，评价刷牙行为和刷牙正确率的变化。结果干预后，本组学龄前儿童刷牙行为均有所改善，刷牙正确率从干预前的57%上升到干预后的81%。差异均有统计学意义（P<0.05或P<0.01）。结论保健干预能改善社区学龄前儿童刷牙行为，提高刷牙正确率，促进儿童建立良好口腔卫生行为。

Objective To investigate the effect of oral health care education and teeth brushing on preschoolers. Methods Totally 62 cases of three-year-old preschoolers and their parents were investigated about their brushing behavior, then the targeted intervention