TY - BOOK AU - Ebtesam Osama Hassan Aboelmal AU - Alaa Eldin Hussein Diab , AU - Mohamed Hassan Elsabry , TI - Comparative study of the shaping ability and cleaning efficiency of three rotary Ni - Ti instruments : : In vitro study / PY - 2010/// CY - Cairo : PB - Ebtesam Osama Hassan Aboelmal , KW - Ni - Ti instrument KW - ProTaper KW - RaCe N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics; Issued also as CD N2 - The purpose of this study was to compare the shaping ability , in terms of canal transportation and centering ability and cleaning efficiency , in terms of canal wall cleanliness of three rotary Ni - Ti instrument : ProTaper , RaCe and EndoWave systems . Ninety extracted permanent human mandibular teeth were collected UR - http://172.23.153.220/th.pdf ER -