Abstract
Cleaning of endodontic instruments is important to prevent cross contamination between patients and facilitate sterilization, thus achieving the goal of three dimensional obturation. The aim of this study was to develop an effective cleaning procedure for rotary Ni-Ti instruments. New sterilized Ni-Ti rotary instruments were contaminated by preparing canals of extracted teeth and subjected to both mechanical and chemical cleaning procedures followed by placing in an ultrasonic bath. This study showed that a sequential cleaning procedure including combined mechanical and chemical removal with 2% glutaraldchyde followed by ultrasonic bath is an effective procedure of removing debris from rotary Ni- Ti instruments.
Published Version
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