Usually a single mouth ulcer is due to damage caused by say biting the cheek or tongue, sharp teeth, tooth brushing or poorly fitting dentures. These ulcers are called traumatic ulcers.If you have a number of mouth ulcers the usual cause is recurrent aphthous stomatitis.
Yes. Minor ulcers are the most common. They can appear inside the cheeks, on the lips, tongue and gums and, more rarely, on the roof of the mouth. Most of these ulcers are the size of the top of a pencil and can sometimes come in clusters. You can get four to six at any one time.Large ulcers are more severe and can take longer to heal. Any ulcer that lasts longer than 3 weeks, should be checked out by your dentist. Large ulcers may appear near the tonsils and can be very painful, especially when swallowing. You usually only get one at a time.It is also possible to have up to 100 very small painful ulcers which last for one to two weeks.However, these last two varieties are very rare. You may get ulcers in other parts of the body such as your eyes or genital area. It is important to tell your dentist about this.
Cancer of the mouth can first appear as a mouth ulcer. The ulcers caused by mouth cancer are usually single and last a long time without any obvious local cause (for example a sharp tooth). Any ulcer that lasts longer than three weeks should be looked at by your dentist. Ulcers caused by cancer usually appear on or under the tongue, but may occasionally appear somewhere else in the mouth. Cancer of the mouth is usually associated with heavy smoking and drinking. Doing both together greatly increases the risk.
You may be able to reduce the risk of mouth ulcers by: Maintaining good oral hygiene. Using high-quality toothbrushes (to reduce the risk of damage to your mouth). Eating a good diet which is rich in vitamins A, C and E and which includes foods such as fresh fruit and vegetables (to lessen the risk of mouth cancer). Regularly visiting your dentist.
Always see your dentist or doctor if: