round ulcers that form on the soft tissue in the mouth, such as the inside of the cheeks or lips. The ulcers often start with a minor trauma to the mucosal lining, said Richard Wender, the chair ...

Common mouth ulcers, known as aphthous ulcers or canker sores, can bother us all. They’re normally only about 2-3mm in size but can be surprisingly painful. They occur when a patch of the ...

In some patients with a family history, “there is some type of defect in ... foods can trigger canker sores, Kerr said. Canker sores, which occur inside the mouth, are not contagious or caused ...

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