It is an injury to the oral mucosa, characterized by inflammation and subsequent formation of small ulcers that cause discomfort to the patient, these injuries can be generated at any point in the oral cavity such as the inside of the cheeks, lips, tongue , in the gums or at the base of the mouth (under the tongue), the inflammation may have a viral origin, due to poor hygiene habits, deficiency in the consumption of macronutrients such as protein in the diet, it may present as an allergic reaction to a food or pharmacological therapeutic treatment, it is also observed after a burn due to the ingestion of food with a high temperature, among others.

There are various types of stomatitis, these are classified by their form of appearance and by the cause of said inflammation: in the first place, aphthous stomatitis can be mentioned, they are known by the name of aphthous ulcers or aphthous ulcers, they are lesions that are characterized by having an unknown etiology (cause), however its appearance is being related to genetic factors, immunological problems, poor eating habits, among others. Normally the lesions are small, with a color that goes from white to yellow and the patient presents burning at the site of the wound, does not have a defined therapeutic treatment, isolated lesions close spontaneously, and in most cases Sometimes the treatment applied is symptomatic, such as pain relievers and so on.

Another type of oral inflammatory lesion is herpetic stomatitis, the symptoms presented are pain, inflammation and irritation in the oral area, this pathology is caused by the herpes simplex virus and is observed mostly in infants, this pathology is characterized by producing numerous blisters that cover the entire oral area, inner face of the lips, upper and lower surface of the tongue, gums, inner face of the cheeks and even the upper palate (roof of the mouth); the common symptoms are anorexia due to pain when consuming food, irritation, pain when making any mouth movement and fever, the treatment is only symptomatic, that is, anti-inflammatories, analgesics and antipyretics, antivirals are not consumed because it is an infection of short duration of approximately ten days.