Aphthous ulcer epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Epidemiology and Demographics

Canker sores are a very common oral lesion. Epidemiological studies show an average prevalence between 15% and 30%. The frequency of canker sores varies from fewer than 4 episodes per year (85% of all cases) to more than one episode per month (10% of all cases) including people suffering from continuous RAS.

References

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