Definition:
Mouth ulcers are sores or open lesions in the mouth. (See also mouth sores or canker sores)
Alternative Names:
Oral ulcer; Stomatitis - ulcerative; Ulcer - mouth
Causes, incidence, and risk factors:
Mouth ulcers are caused by many disorders. These include: Canker sores Herpes simplex
The skin lesion of histoplasmosis may also appear as a mouth ulcer. Canker sores are more common in young adults than in children or older adults.
References:
Gonsalves WC, Chi AC, Neville BW. Common oral lesions: Part I. Superficial mucosal lesions. Am Fam Physician. 2007;75(4):501-507. Gonsalves WC, Chi AC, Neville BW. Common oral lesions: Part II. Masses and neoplasia. Am Fam Physician. 2007;75(4):509-512. Gonsalves WC, Wrightson AS, Henry RG. Common oral conditions in older persons. Am Fam Physician. 2008;78(7):845-852.
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