Abstract: Objective: To analyze the effects on changing periodontal health habits of "Oral Health, Happy Family" second-phase project, which uses new media to provide periodontal health guidance for residents of Shangpingba District of Chongqing. Methods: Using stratified overall sampling method, 200 target families were chosen to fill in the designed questionnaire during the time period from December, 2014 to December, 2016. By using new media platforms and offering professional counseling, periodontal health knowledge was popularized to 200 families. Then their awareness of periodontal health knowledge and behavioral habits of protecting periodontal health before and after the oral health guidance were fully analyzed. Results: Awareness of periodontal health knowledge: periodontal health knowledge awareness was significantly improved across all ages after the counseling intervention. Periodontal health behavioral habits: the times of brushing teeth significantly increased among residents aged 12-35 and 36-60; the habits of brushing teeth before going to bed was improved among all surveyed residents. Conclusion: Using new media to provide guidance and counseling is an important and effective approach to improve the periodontal health knowledge awareness and promote periodontal health behavioral habits of residents of Shangpingba District.

Key words: New media platform, Periodontal health , Behavioural habits, Awareness of knowledge