Diode Laser Versus Topical Corticosteroids in Management of Oral Ulcers in Behcet's Disease

Inclusion Criteria: * patients diagnosed with Behcet's Disease according to International Criteria for BD. * patients with active oral ulcers. * patients free from any visible oral lesions other than the oral ulcers of BD. * patients who agreed to take the supplied interventions. * patients who will agree to participate in the study. * patients who will accept to sign the informed consent. Exclusion Criteria: * patients not physically able to participate in survey or clinical oral examination. * patients with organ or life-threatening disease. * patients with history of a severe or chronic medical condition including tuberculosis, hepatitis and human immunodeficiency virus. * patients under immunosuppressive drugs. * patients with organ transplantation.