Abstract: Objective To investigate the periodontal health in patients with oral mucosal diseases through epidemiology investigation methods and provide a basis for the prevention and treatment of periodontal diseases. Methods 766 patients from Department of Stomatology, Shengjing Hospital of China Medical University were given periodontal specialist examinations and then filled in the questionnaire. Results were statistically analyzed with SPSS software. Results The rates of the periodontal health of patients with oral mucosal diseases were fewer than 10.70%. Oral hygiene and periodontal heath were significantly affected by different genders, ages, education and oral care. The two oral mucosal diseases with the highest visiting rates were recurrent aphthous ulcer (34.20%) and oral lichen planus (32.64%). The higher periodontitis prevalence rates of recurrent aphthous ulcer and oral lichen planus were 95.42% and 92.80%, respectively. Conclusion Periodontal health is related to the onset and development of oral mucosal diseases. Reasons for bad oral conditions of patients with oral mucosal diseases and whether bad periodontal health has adverse effect on oral mucosal lesions should be analyzed from various perspectives, and active prevention measures should be taken.

Key words: oral mucosal diseases, oral hygiene, periodontal condition