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  • Title: Prevalence and distribution of oral mucosal lesions: a cross-sectional study in Shanghai, China.
    Author: Feng J, Zhou Z, Shen X, Wang Y, Shi L, Wang Y, Hu Y, Sun H, Liu W.
    Journal: J Oral Pathol Med; 2015 Aug; 44(7):490-4. PubMed ID: 25243724.
    Abstract:
    BACKGROUND: An epidemiological study on the oral mucosal lesions (OMLs) in general population from China was scarce. The objective of this study was to investigate the prevalence and distribution of OMLs in Shanghai, China and to evaluate their association with demographic factors and smoking/drinking habits based on a large scaled population on a wide spectrum. METHODS: In this population-based cross-sectional study, 11054 community-dwelling individuals (M/F: 5140/5914; age range, 1-96 years) were randomly selected and examined according to WHO criteria. RESULTS: The prevalence of OMLs was 10.8% in this study. A total of 1192 (M/F: 543/649; mean age, 56.9 years) individuals were presented with different types of OMLs. The most common type of OMLs was fissured tongue (prevalence of 3.15%), followed by recurrent aphthae (1.48%), traumatic ulcer (1.13%), and angular cheilitis (0.86%). The two most common potentially malignant disorders were oral lichen planus (0.81%) and leukoplakia (0.22%). Regression analysis revealed that the elderly age, smoking, and alcohol intake were statistically significant risk factors of OMLs with emphasis on leukokeratosis, leukoplakia, and lichen planus. CONCLUSION: The prevalence and distribution of OMLs were elucidated in an eastern area of China, and the importance of tobacco and alcohol in the pathogenesis of OMLs was evidenced. Our data have provided baseline information about epidemiologic aspects of OMLs that can be valuable in organized program targeting on oral health and hygiene.
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