TY - BOOK AU - Shaimaa Nasr Eldin Abdelghaffar AU - Alaa Eldin Hussein Diab , AU - Lubna Abbas Shafie , AU - Wafaa Ahmed Omar , TI - Efficiency of two newly developed NiTi rotary systems in retreatment of root canals obturated with resilon : : An in-vitro study / PY - 2009/// CY - Cairo : PB - Shaimaa Nasr Eldin Abdelghaffar , KW - Endodontic retreatment KW - Ni-Ti KW - Resilon 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 examine the effectiveness of rotary NiTi ProTaper Universal system (PTUS) retreatment files and R-Endo system with and without chloroform in the retreatment of root canals obturated with cold lateral and warm vertical compaction technique of resilon/Epiphany system. Eighty extracted human maxillary central incisora were selected and decronated UR - http://172.23.153.220/th.pdf ER -