TY - BOOK AU - Mohamed,Shimaa Ismail Gawdat Mohamed AU - El-Shafei,Jealan Mohamed AU - Lutfy,Reem Ahmed TI - Evaluation of the cutting efficiency, shaping ability and wear of a new tin coated rotary Ni-ti files: (Alpha system) : (acomprative in vitro study) / U1 - 617.6342 21 PY - 2008/// KW - Endodontics N1 - Supervisors : Jealan Mohamed El-Shafei, Reem Ahmed Lutfy; Thesis (M.Sc.)-Cairo university,faculty of oral and dental medicine, 2008; Includes bibliographical references ER -