Mouth Ulcer
An oral ulcer or oral ulcer (synonyms: Aphthae; Aphthe; ICD-10-GM K13.-: Other diseases of the lip and oral mucosa) is a superficial injury to the oral mucosa (tunica mucosa oris) and the oral pharynx. An oral ulcer can be a symptom of many diseases (see under “Differential diagnoses”). The lifetime prevalence (disease incidence throughout life) … Mouth Ulcer