TY - BOOK AU - Niveen Mohammed Elsobaihy AU - Ghada Elhilaly Mohammed Eid , AU - Khaled Mohammed Ezzat , TI - Efficacy of nickel-titanium rotary instrument versus stainless steel hand files in the removal of gutta percha with two different types of sealers : : An in-vitro study / PY - 2009/// CY - Cairo : PB - Niveen Mohammed Elsobaihy , KW - Endodontic retreatment KW - Eucalyptol solvent KW - R- Endo NiTi rotary files N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics; Issued also as CD N2 - The aim of this study was to determine the effectiveness of rotary NiTi instruments versus hand instruments with the use of gutta- percha solvent eucalyptol in the removal of gutta- percha with two different types of sealers from both straight and curved canals during root canal retreatment . Canal wall cleanliness time for reteratment and procedural errors were evaluated UR - http://172.23.153.220/th.pdf ER -