What Cause Canker Sores In Your Mouth. Canker sores are small white swellings or sores surrounded by an area of redness. Things that might cause minor sores include. A stress or minor injury to the inside of the mouth is thought to be the cause of simple canker sores. Cold sores usually appear on the mouth and sometimes on the face but aphthous ulcers only appear in areas inside the mouth.
Canker sores can also be caused by brushing your teeth hard or eating something that might bruise your gums and cause swelling and inflammation. Mouth sores which include canker sores are usually a minor irritation and last only a week or two. A deficiency in certain vitamins such as B-3 niacin B-9 folic acid or B-12 cobalamin can make you more prone to getting canker sores. The actual cause of canker sores is unknown. Possible triggers for canker sores include. Stress or injury is a leading cause of most of the ulcers.
While canker sores are not contagious they are often confused with cold sores which are caused by the contagious herpes virus.
Small ulcers may form after mild irritation from a sharp-bristled toothbrush or biting into a hard or sharp piece of food. Aphthous ulcers are small white swellings or sores surrounded by an area of redness. Canker sores may develop after having dental work done. A deficiency in certain vitamins such as B-3 niacin B-9 folic acid or B-12 cobalamin can make you more prone to getting canker sores. Tissue injury like from a sharp tooth or a dental appliance. However some triggers that may precipitate outbreaks in some people include stress anxiety oral trauma hormonal changes drugs food allergies toothpastes and vitamin deficiencies.