TY - BOOK AU - Rania Hassan Anwar Shalaby AU - Fatheya Zahran , AU - Gamalat Ahmed Hassan , AU - Olfat Shaker , TI - The contribution of INF gamma gene polymorphism in susceptibility to oral lichen planus / PY - 2010/// CY - Cairo : PB - Rania Hassan Anwar Shalaby , KW - Gene polymorphism KW - Interferon gamma KW - Oral lichen planus N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Periodontology; Issued also as CD N2 - The present study was carried out to detect the importance of INF gamma gene polymorphism in the suscptibility to oral lichen planus lesions . The present study was performed on a total of 50 individuals , 30 oral lichen planus patients ( 10 from each type : atrophic , papular , bullous erosive lichen planus ) not taking any drug that may cause lichenoid reaction , 20 control individuals not suffering from any mucosal lesion as well as matching the oral lichen planus patients regarding age ER -