TY - GEN AU - Ibrahim Abdellatif Saber Omar AU - Abeer Mahmoud Marzouk , AU - Randa Mohamed Elboghdady , TI - A comparative study of the cutting efficiency of k3 versus protaper rotary niti root canal intstruments canal intstruments : : an in vitro study / PY - 2007/// CY - Cairo : PB - Ibrahim Abdellatif S.Omar , KW - k3 versus KW - Root canal intstruments KW - The cutting efficiency N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Endodontics; Issued Also as CD N2 - Cutting efficiency of protaper versus k3 rotary NiTi files system in rotational motion on the simulated canal of bovine bone specimens was evaluated and compared by mesauring the weight joss.the investigation included 5 sets of both systems ER -