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David Sanders.
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All stainless steel or NiTi files can potentially break during root canal therapy. The most significant way to reduce file breakage is to reduce torque and cyclic fatigue; however, an understanding of the root canal anatomy and potential anatomical limitation of where files can break should also be considered.
This tutorial deals with such information. Recommendations for how to remove broken instruments using ultrasonics an ways to reduce the incidence of such events are discussed and shared.
David Sanders.