Manal Mahmoud Mohamed Abd El hafiz <br/><br/>
Evaluation of new dimensional rotary file designs on curved root canals (an in vitro study) /  
 تقييم تصميمات جديدة من المبادرة ذاتية الدوران على قنوات الجذر المنحنية (دراسة عملية ( 
Manal Mahmoud Mohamed Abd El hafiz ; Supervised Maged Mohamed Negm , Mohamed Elsherbeiny , Randa Elboghdady 
 - Cairo :   Manal Mahmoud Mohamed Abd El hafiz ,   2005 
 - 80P :   ill ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Endodontics 
<br/><br/> The aim of the study was to evaluate and compare the ability of two types of the recently introduced rotary Ni - Ti files ; namely , ProTaper and K3 filing system ; in curved root canal preparation regarding the apical transportation , change in canal curvatures degree of canal taper and canal width changes , in addition to the debridment degree of the post - instrumented canals , using the 
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<br/><br/><label>Subjects--Index Terms: </label>Evaluation of new ratary fyle designs