TY - BOOK AU - Abd el tawab,Sara Mohamed Ahmed AU - Gomaa,Hussien Abdelfattah AU - Elghandour,Inas Abdelmoneum TI - The effect of two different acids and time factor on the bond strength of silane repaired composite U1 - 617.6 21 PY - 2010/// KW - Oral Surgery N1 - Supervisors: Hussien Abdelfattah Gomaa,Inas Abdelmoneum Elghandour; Thesis (M.Sc.) - Cairo University-Faculty of Oral and Dental Medicine Department of Operative Dentistry, 2010; Includes bibliographical references (82 - 89 pages) N2 - This study was performed to evaluate the effect of two different acids (Hydrofluoric acid 9% and phosphoric acid 37%) and time interval of water storage on shear bond trength of repaired composite samples. A total of 120 resin composite discs (N=120), were prepared by using a special cylindrical teflon mold ER -