TY - BOOK AU - Maisa Mohamed Abdelmagid Nasr Omara AU - Amr Ezzat , AU - Norhan Abdalwahab , AU - Salah Mostafa , TI - Predisposing factors and oral findings of oral cancer patients in Egypt : : Retrospective study/ PY - 2012/// CY - Cairo : PB - Maisa Mohamed Abdelmagid Nasr Omara , KW - Ceramic KW - Tooth KW - Wear N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Pedodontics; Issued also as CD N2 - The purpose of this study : was to evaluate the wear behavior of various dental ceramics materials (Feldspathic ceramic , Zirconia ceramic , lithium disilicate ceramic) against the natural tooth structure. Reaults teeth opposing feldspathic material showed the statistically significantly highest mean amount of wear and teeth opposing lithium disilicate showed significantly lower mean amoumnt of wear UR - http://172.23.153.220/th.pdf ER -