TY - BOOK AU - Khedr,Shaenda Samir Abd-El Latif AU - Farid,Mohamed Riad AU - Maher,Hala Ali AU - Hafiz,Randa TI - Effective of non-fluoride and fluoride-containing bleaching agent on surface topography of enamel U1 - 617.6 21 PY - 2010/// KW - Dentistry, Operative KW - Dentistry Surgery N1 - Supervisors : Mohamed Riad Farid, Randa Hafiz, Hala Ali Maher; Thesis (M.Sc.)-Cairo university,faculty of oral and dental medicine, 2010; Includes bibliographical references ER -