TY - BOOK AU - Abu Zeid,Tarek Abbas Abdel Al AU - Fahim,Omar Mostafa AU - El Khodary,Adel M. AU - El Far,Heba Allh M. TI - Surface changes and cyclic fatigue following the use of K3 rotary file system U1 - 617.6342 21 PY - 2010/// KW - Endodontics N1 - Supervisors : Omar Mostafa Fahim, Adel M. El Khodary, Heba Allh M. El Far; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2010; Includes bibliographical references ER -