Synthetic Corticosteroids or steroids since the early 1940s have been developed for their anti-inflammatory and immunomodulatory effects. Dental patients with the history of corticosteroid usage may require special consideration before and after any dental treatment. In dentistry, corticosteroids are mainly useful in reducing post-surgical edema, which can cause postsurgical pain. Oral lichen planus, oral sub mucous fibrosis, pemphigus vulgaris, erythema multiforme, aphthous stomatitis and allergic reaction respond very well to topical or systemic corticosteroids. Corticosteroids should be...