Aphthous ulcer epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [4]

Epidemiology and Demographics

Prevalence

Canker sores are a very common oral lesion. Epidemiological studies in Sweden show an average prevalence between 15% and 30%.[1][2]

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.[2]

Gender

Gender is associated with an increased risk of developing aphthous ulcers. Women are more often affected by the disease than men.

Family

About 30–40% of patients with recurrent aphthous ulcers report a family history of the disease. [3][4][5]

References

  1. J.M. Casiglia, G.W. Mirowski, C.L. Nebesio (2006). "Aphthous stomatitis". Emedecine. Unknown parameter |month= ignored (help)
  2. 2.0 2.1 T. Axéll, V. Henricsson (1985). "The occurrence of recurrent aphthous ulcers in an adult Swedish population". Acta Odontol Scand.
  3. [1]
  4. [2]
  5. [3]

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