What are the most common mouth sores and how should they be treated?
(This information is adapted from the American Dental Association.) Mouth sores are irritating, painful and many times unsightly. There are numerous causes of mouth sores including bacterial, viral or fungal infections. Even a loose orthodontic wire, an ill-fitting denture, or a sharp edge created by a broken tooth or filling can cause mouth sores. Mouth sores may also be symptoms of a disease or disorder. Be sure to have your dentist examine mouth sores that last more than one week. These are the most common types of mouth sores: Canker sores are small ulcers with a white or gray base and red border that erupt inside the mouth. Canker sores are not contagious; there may be one or more and they often reoccur. The exact cause is unknown, but some experts believe that immune system problems, bacteria, or viruses may be involved. Fatigue, stress or allergies can increase the risk of a canker sore. A cut caused by biting of the cheek or tongue, or reactions from consuming hot foods or beve
