Oral Ulcer (OU)

A mouth ulcer (also termed an oral ulcer, or a mucosal ulcer) is an ulcer that occurs on the mucous membrane of the oral cavity. Mouth ulcers are very common, occurring in association with many diseases and by many different mechanisms, but usually there is no serious underlying cause. The two most common causes of oral ulceration are local trauma and aphthous stomatitis, a condition characterized by recurrent formation of oral ulcers for largely unknown reasons. Mouth ulcers often cause pain and discomfort, and may alter the person's choice of food while healing occurs. Once formed, the ulcer may be maintained by inflammation and/or secondary infection. Rarely, a mouth ulcer that does not heal may be a sign of oral cancer. Model for Oral Ulcer can used to study the relationship with gastric ulcer, duodenal ulcer, ulcerative colitis, limitations enteritis, hepatitis, female menstruation, B vitamins absorption disorders and plant nerve function disorder.