牙龈出血相关因素分析

Studies on correlative factors with gingival bleeding.

通过对３２０７名大、中、小学生问卷调查资料进行分析，３２．６８％的学生有牙龈出血。并随着年龄增大，牙龈出血呈增多趋势。进一步对１６个指标用多元逐步回归分析牙龈出血的相关因素，显示９个因素对牙龈出血发生有显著性作用，其中刷牙次数影响作用最大。故预防牙龈出血重点是刷牙的宣传教育，同时注重综合防治。

The questionaire data of 3207 students in college, middle school and primary school showed that the rate of gingival bleeding was 32.68%. 16 factors correlating with gingival bleeding were analysed by use of multiple stepwise regression. The result showed that there was significant relationship between gingival bleeding and 9 factors, the most important factor was brushing. The findings suggest that more attention should be paid to brushing and synthetic prevention.