TY - BOOK AU - El-Sobaihy,Niveen Mohammed AU - Ezzat,Khaled Mohammed AU - Mohammed,Ghada El Hilaly TI - Efficacy of Nickel-titanium rotary instruments versus stainless steel hand files in the removal of gutta percha with two different types of sealers: (an in vitro study) U1 - 617.6342 21 PY - 2009/// KW - Endodontics N1 - Supervisors : Khaled Mohammed Ezzat, Ghada El Hilaly Mohammed; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2009; Includes bibliographical references ER -