Browsing Issue No21-2019 - العدد الواحد والعشرون by Subject "Retreatment, defects, fracture, nickel–titanium, rotary instrument, electron microscopic"
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A Scanning Electron Microscopic Evaluation of SurfaceDefects of New and Used Retreatment Files
(2019-05)This study evaluated the surface defects of new and used Retreatment files using scanning electron microscope. Methods: Thirty extracted human mandibular molars with curvature 10o to 25o were used in the study. The selected ...