Soha Mohamed Ahmed Ismail <br/><br/>
Evaluation of the effect of rotary and ultrasonic instrumentation with different irrigations on dentinal surface and bacterial contents of root canals :   An in vitro study /  
 تقييم تأثير المبارد الدوارة والمبارد التى تعمل بالموجات فوق الصوتية باستخدام محاليل إرواء مختلفة على السطح العاجى والمحتوى البكتيرى لقنوات الجذور :   دراسة معملية 
Soha Mohamed Ahmed Ismail ; Supervised Maged Negm , Dalia Yehia Ibrahim , Yousra Mohamed Nashaat 
 - Cairo :   Soha Mohamed Ahmed Ismail ,   2012 
 - 114 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics 
<br/><br/> The Purpose of the present study was to evaluate the effect of Revo- S and ultrasonic instrumentation with different irrigations on dentinal surface and bacterial contents of root canals . Sixty four recently extracted sound human maxillary molar teeth were divided into two groups; 32 roots each, group 1 : Root canals were instrumented with the rotary system (Revo-S) group II : Root canals were insrumented with the ultrasonic system 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>EDTA  NaOcl  Ultrasonic