TY - BOOK AU - Abdelnabi,Ali Essam AU - Alzoghby,Amira Farid AU - Zaazou,Mohammad Hussien AU - Elkassas,Dina Wafik TI - Effect of three different light curing units on the color stability of bleaching shades composites U1 - 617.6 21 PY - 2010/// KW - Dentistry, Operative KW - Surgery, Oral N1 - Supervisors :Amira Farid Alzoghby, Mohammad Hussien Zaazou, Dina Wafik Elkassas; Thesis (M.Sc)-Cairo university,faculty of oral and dental medicine, 2010; Includes bibliographical references: pages78-84 ER -