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Background: Positive family history is reported to be associated with Recurrent Aphthous Stomatitis (RAS), but the family history of people without RAS is not reported. Aim: To find the details of family history of people with and without RAS. Materials and Methods: Data regarding the lifetime prevalence andthe family history of RAS was collected from 264 female clinical students of a dental institution and analyzed for any correlation. Results: The self-reported lifetime prevalence of RAS was found to be 53% among the dental students of our institution. Positive family history was found in 63% of students with RAS and in 22% of the students without RAS. Conclusions: RAS is very common among female dental students and the positive family history is an important predisposing factor.
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Maheswaran et al. (2014) studied this question.
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