A common small, frequently painful and sensitive crater in the lining of the mouth. Also known as aphthous ulcer. Sores typically last for 10 to 14 days and generally heal without scarring.

This is a small mouth sore that's a big pain. Canker sores are open sores that have a white or yellowish coating and are usually about ¼ of an inch across. You might find them on the inside of yo [..]

A recurrent Disease of the Oral Mucosa of unknown etiology. It is characterized by small White ulcerative lesions, single or multiple, round or oval. Two to eight crops of lesions occur per year, last [..]

Swellings, spots or sores on the mouth, lips or tongue. Unlike cold sores, these are not contagious and are usually caused by stress, allergies or vitamin deficiencies.