TY - BOOK AU - Soha Mohamed Ahmed Ismail AU - Dalia Yehia Ibrahim , AU - Maged Negm , AU - Yousra Mohamed Nashaat , TI - 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 / PY - 2012/// CY - Cairo : PB - Soha Mohamed Ahmed Ismail , KW - EDTA KW - NaOcl KW - Ultrasonic N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics; Issued also as CD N2 - 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 UR - http://172.23.153.220/th.pdf ER -