首页|Oral mucosal pellicle as an immune protection against micro-organisms in patients with recurrent aphthous stomatitis: A hypothesis
Oral mucosal pellicle as an immune protection against micro-organisms in patients with recurrent aphthous stomatitis: A hypothesis
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NSTL
Elsevier
Recurrent Aphthous Stomatitis (RAS) is the most common ulcerative diseases of oral mucosa affecting an estimate of 20% of the world's population。 Majority of the people affected by RAS are under 30 years of age。 RAS is located on the lining (non-keratinized) oral mucosa， i。e。 buccal mucosa， lateral side of the tongue， soft palate， lip mucosa， or the floor of mouth。 An aphthous ulcer develops when lymphocytic cells infiltrate into the epithelium and cause an edema due to transient inflammatory stimuli。 Bacteria， viruses and fungi have been suggested to cause aphthous lesions， but findings regarding oral pathogens are conflicting。 Prior consensus has been that RAS is a multifactorial condition， with microbes， allergies， nutritional deficiencies， genetic factors， certain illnesses， immunodeficiency， hormonal changes， trauma and stress among others， contributing to the condition。 In spite of many suggestions and investigations， the etiology and pathophysiology of RAS remains uncertain。
NSTL
Elsevier
