The Efficacy of Omega-3 in Treatment of Atrophic/Erosive Lichen Planus

Inclusion Criteria: 1. Clinical diagnosis of OLP (Presence of painful and atrophic-erosive oral Lesions, bilateral, mostly symmetrical lesions, presence of lace-like network of slightly raised white lines). 2. Age between 30-60 years 3. Ability to complete the present clinical trial. Exclusion Criteria: 1. Pregnant or breast feeding women (pregnancy test for women of child bearing age). 2. Lichenoid reactions caused by certain drugs or dental amalgam. 3. Therapy for oral lichen planus (OLP) in the 6 months prior to the study. 4. Patient doesn't have hepatitis C \[after the patients' medical histories were recorded, the patients were given hepatic screening as published elsewhere. 2 5. Presence of candidiasis before treatment. 6. Patients with pre-existing diabetes or an initial random glucose level exceeding 200 mg/dL before initiating steroid therapy were excluded. 7. Hypertensive patients 8. Contraindications for corticosteroid use (immunodeficiency or severe heamatological alterations).