IRCT2017012831522N5 IRCT 2017-02-20 Vice Chancellor for research of Saveh University of Medical Sciences The effect of education According to planned behavioral theory on mouth and tooth health in primary students - The Effect of planned behavioral theory training on behaviors that associated with mouth and tooth health in primary students 2017-02-28 anticipated 520 Complete https://irct.ir/trial/24785 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: The samples were randomly placed in two groups. If the first sample is girl, the sample placed in intervention group and after the samples alternative (one to one) placed in control and intervention groups and if the first sample is boy, the sample placed in control group and after the samples alternative (one to one) placed in intervention and control groups. N/A Mouth and tooth health. Intervention 1: Intervention groups: The samples of intervention group training at 3 sessions of 40 minutes in the form of lectures, group discussions and practical view. Educational content classes includes: First session: raising awareness and attitude, Second session: the importance of perceived behavioral control on empowerment And third Session: Practical showing the correct way of brushing and flossing and practice on themselves. Intervention 2: Control group: samples of the control group as well as samples of the intervention group (without participation in the educational classes) to complete the questionnaires.