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How is oral ulcer formed?
There are two kinds of oral ulcers. One is recurrent oral ulcer, which is the most common oral mucosal disease in stomatology. The other is traumatic oral ulcer, which is caused by local traumatic factors. Let's talk about the causes of recurrent oral ulcer. The cause of recurrent oral ulcer is unknown, but there are obvious individual differences. Some people put forward the theory of genetic, environmental and immune factors of recurrent oral ulcer. That is, the genetic background and appropriate environmental factors, including mental and neurological physique, psychological and behavioral state, life, work and social environment, trigger abnormal immune response and cause the characteristic lesions of oral ulcer. Immune factors play an important role in the occurrence of oral ulcer. The study of genetic factors found that children whose parents are prone to oral ulcer are more likely to get oral ulcer. The investigation of systemic disease factors shows that recurrent oral ulcer is closely related to digestive tract diseases or dysfunction such as gastric ulcer, duodenal ulcer and ulcerative colitis. At present, the role of infection factors in the pathogenesis of oral ulcer is uncertain. Environmental factors, including mental stress, anxiety and depression of patients, are easy to cause oral ulcers, and other factors, such as lack of diet and nutrition, are also related to the occurrence of oral ulcers.

Abnormal immunity is an important cause of oral ulcer. Many patients will have oral ulcer when they catch a cold because their body's resistance is poor at this time. People who lack vitamin B have a high proportion of oral ulcers, so unbalanced picky eaters are also one of the causes of oral ulcers. People who often stay up late to eat spicy and stimulating food, or those who are under great pressure recently, have a strong liver fire, or are not timely in increasing or decreasing clothes due to temperature rise, may have oral ulcers.

Causes of symptoms

1. Oral mucosal lesions

(1) Such as oral mucosal ulcers, recurrent oral ulcers and traumatic ulcers.

(2) Infectious stomatitis, herpetic stomatitis, snow mouth disease (thrush) and coccic stomatitis.

(3) Oral mottle, lichen planus, discoid lupus erythematosus, etc.

2. Allergic diseases

Drug allergic stomatitis and erythema multiforme of oral mucosa.

3. systemic diseases

vitamin B2 and vitamin C deficiency, and blood diseases such as anemia and leukemia in the oral cavity.

Common diseases

Recurrent oral ulcer, infectious stomatitis, herpetic stomatitis, snow mouth disease (thrush), coccic stomatitis, lichen planus, discoid lupus erythematosus, drug allergic stomatitis, oral mucosal erythema multiforme, vitamin B2 deficiency, vitamin C deficiency, anemia, leukemia, etc.