What's the reason should be known for appropriate treatment.so consult dentist as soon as possible

There are various reasons for ulcers. Kindly concern dentist and get appropriate treatment.

Hi  sir...   Ulcer is nothing but the break in the continuity of epithelium.. some causes of ulcer are   ** vit B 12 deficiency   ** Iron deficiency   ** irritation grom any sharp objects like sharp tooth cusp..   ** viral infection   ** stress and anxiety   ** use  of certain medication for hypertension **Genetic factors ** citrus food and acidic food ** Gastro intestinal disturbance( chron"s disease) PREVENTION:     ** Avoid hot and spicy food     ** proper cleaning of mouth  daily and flossing   ** changing medictions which cause ulcer