Prevalence of reccurent aphtous stomatitis

Reccurent aphthous stomatitis (RAS) is the most common form of nontraumatic oral mucosal ulceration. Three variants have been described; minor aphthous stomatitis, maior aphthous stomatitis and herpetiform aphthae. The aim of this study was to evaluate the prevalence of certain type of oral mucosal lesion and it’s localisation. The group of 3000 children was examined (7 months till 20 years), all the patients of our Department. Results showed that the RAS accounts 6.4% of patients, aged 2 to 19 years. According to the type of oral lesions, the most common was a minor aphthous stomatitis (89.6%), while the most frequent localization was the vestibular mucosa (79.1%)