Canker sore - Definition

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Definition


Canker sores are small ulcers on the oral mucous membrane, in other words the lining of the mouth. They appear as small white or yellowish lesions, that are painful and well-outlined by a red line. These sores usually affect the gums, inside of the cheeks, or the tip or sides of the tongue. They are often observed in young people, and usually manifest one by one, growing by flare-up periods and healing on their own. Treatment methods are based on good dental hygiene and potentially an anesthetizing gel for local application to sooth the pain if it becomes too severe. It should be noted that canker sores can, in rare cases, appear on the mucous membranes of the genital organs, on the glans in men and the vulva in women.

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