Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don’t occur on the surface of your lips and they aren’t contagious. They can be painful, however, and can make eating and talking difficultMost canker sores go away on their own in a week or two. Check with your doctor or dentist if you have unusually large or painful canker sores or canker sores that don’t seem to heal.Possible triggers for canker sores include: A minor injury to your mouth from dental work, rŕs brushing, sports mishaps or an accidental cheek bite. Toothpastes and mouth rinses containing sodium lauryl sulfateSymptomsMost canker sores are round or oval with a white or yellow center and a red border. They form inside your mouth — on or under your tongue, inside your cheeks or lips, at the base of your gums, or on your soft palate. You might notice a tingling or burning sensation a day or two before the sores actually appear.There are several types of canker sores, including minor, major and herpetiform sores.When to see a doctorConsult your doctor if you experience:Unusually large canker soresRecurring sores, with new ones developing before old ones heal, or frequent outbreaksPersistent sores, lasting two weeks or moreSores that extend into the lips themselves (vermilion border)Pain that you can’t control with self-care measuresExtreme difficulty eating or drinkingHigh fever along with canker sores Previous Post SALT WATER GARGLE BENEFITS FOR TEETH ! Next Post RADICULAR CYST