The Purpose of this study is to investigate the teeth cleaning behavior after meals of the students , and to identify factors ( including selected demographic characteristics , psychosocial variables and family variables ) that may influence students' teeth cleaning behavior after meals. By using a stratifield random sampling method , 355 students were selected to participate in this survey .The data was collected by a self-administrated questionnaire in the school on January .2000. t-test , one —way anova , pearson's product-monent correlation and multiple regression were used to analyze the data.
