Abstract:Purpose: The aim of this study was directed to compare the sealing ability of two materials which are conventional zinc oxide and zinc oxide nanoparticles by measuring microleakage of both materials by stereo microscope and scanning electron microscope. Materials and Methods: Seventy extracted single-rooted human teeth with complete roots, fully formed apices and present a single canal without calcification were used. The crowns of all teeth were removed using a water-cooled, slow-speed diamond precision disc,… Show more
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