Recurrent aphthous stomatitis is a common phenomenon in Primary Medicine.Frequency of the phenomenon can be as high as 25% of the general population and the recurrence of the problem can be up to 50%.Different approaches for treatment are described: treatment with various natural vitamins , local ointments , disinfectant agents for local treatment , local antibiotic ointments , NSAID, local cortisone-steroids , and even medication on the basis of immune-depressants of the immune system and systematic steroids .