TY - GEN AU - Giuliani,Valentina AU - Cocchetti,Roberto AU - Pagavino,Gabriella TI - Efficacy of ProTaper universal retreatment files in removing filling materials during root canal retreatment SN - 1878-3554 PY - 2009///0206 KW - Dental Alloys KW - Dental Instruments KW - Humans KW - Nickel KW - Retreatment KW - Root Canal Filling Materials KW - Root Canal Preparation KW - instrumentation KW - Statistics, Nonparametric KW - Titanium N1 - Publication Type: Comparative Study; Evaluation Study; Journal Article UR - https://doi.org/10.1016/j.joen.2008.08.002 ER -