Shaimaa Ismail Gawdat Mohamed <br/><br/>
Evaluation of the cutting efficiency shaping ability and wear a new tin coated rotary Ni - Ti files Alpha system :   Acomparative in vitro study /  
 (تقييم كفاءة القطع والقدرة على التشكيل والتآكل للمبارد الدوارة الجديدة من النيكل تيتانيوم مغطاة بطبقة من التيتانيوم نيترايد (نظام الفا :   دراسة معملية مقارنة 
Shaimaa Ismail Gawdat Mohamed ; Supervised Jealan Mohamed Elshafei , Reem Ahmed Lutfy 
 - Cairo :   Shaimaa Ismail Gawdat Mohamed ,   2008 
 - 139Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Endodontics 
<br/><br/> This study evaluated and compared tow recently introduced rotary nickeltitanium systems namely alpha system and protaper universal system regarding the cutting efficiency the shaping ability and wear surface topographical changes of the intrument after multiple usage times 
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<br/><br/><label>Subjects--Index Terms: </label>Cutting efficiency Titanium - nitride coatings Wear