TY  - BOOK
AU  - Noha Abdelmagied Said
AU  - Geraldine Mohamed Ahmed , 
AU  - Hoda Abdelkader Saleh , 
AU  - Medhat Abdelrahmen Kataia , 
TI  - An Evaluation of the cleaning efficacy of protaper rotary files versus hedstrom hand files in the removal of Gutta-percha and Resilon obturating materials during root canal retreatment : : An in vitro study / 
PY  - 2012///
CY  - Cairo : 
PB  - Noha Abdelmagied Said , 
KW  - Hedstrom files
KW  - ProTaper Universal retreatment files
KW  - Retreatment
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics; Issued also as CD
N2  - Objectives: The aim of this study was to evaluate the efficacy of protaper universal retreatment rotary files and hedstrom hand files for the removal of Gutta-percha/AHPLus and Resilon/ Epiphan filling materials during root canal retreatment. Materils and Methods: Eighty extracted human single-rooted teeth were instrumented with K-files and irrigated with 2.5% NaOCI followed by 17% EDTA and the last flush before obturation was by saline
ER  -