Shaimaa Nasr Eldin Abdelghaffar <br/><br/>
Efficiency of two newly developed NiTi rotary systems in retreatment of root canals obturated with resilon :   An in-vitro study /  
 كفاءة اثنين من أنظمة النيكل تيتانيوم الدوارة الحديثة فى اعادة علاج الجذور المحشوة باستخدام مادة الرزيليون :   دراسة معملية 
Shaimaa Nasr Eldin Abdelghaffar ; Supervised Alaa Eldin Hussein Diab , Lubna Abbas Shafie , Wafaa Ahmed Omar 
 - Cairo :   Shaimaa Nasr Eldin Abdelghaffar ,   2009 
 - 114 Leaves :   charts ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics 
<br/><br/> 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 
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<br/><br/><label>Subjects--Index Terms: </label>Endodontic retreatment Ni-Ti Resilon