The aim of this study was to evaluate the long-term effectiveness of an AI dental monitoring intervention on patients' periodontal disease, preventive behaviors and motivation. This randomized controlled trial included experimental group: AI group (EG-A), AI-humanized group (EG-B) and control group(CG), respectively. The EG-A and EG-B received AI dental monitoring intervention by taking mouth image at home once a week for six month. Baseline and follow-up surveys were used to collect the data in oral health related quality of life,periodontal parameters, periodontal preventive behaviors and motivation.