Oral blisters

Oral blebs are common in oral ulcers. Mouth ulcers, also known as "aphthous ulcers", are blood blebs that occur on the oral mucosa. They can range in size from rice grains to soybeans, round or oval. Food causes pain and usually heals in one to two weeks. The prevalence in the population is generally considered to be more than 10%, which can occur in men, women and children, most often in young people. Recurrent oral ulcer is a type of localized ulcer injury of the oral mucosa that is characterized by periodic recurrence. It can heal itself and can occur in any part of the oral mucosa. Single or multiple round or oval ulcers of various sizes occur on the lip, cheek, soft palate, or gums of the oral cavity, the surface is covered with gray or yellow pseudomembrane, the center is depressed, the boundary is clear, and the surrounding mucosa is red and slightly Swelling and local burning are the main features.