Journal of endodontics
Mechanical and Thermal Impact of Sequential Use-Sterilization Cycles on ProTaper Ultimate Files: An In Vitro Assessment with Practical Implications.
Helena Khidr, Amre R Atmeh, Mohamed Jamal, Zuhair Alkhatib, Amar H Khamis, Taher Al Omari, Rashid El Abed
Published: 202610.1016/j.joen.2026.01.008
Abstract
INTRODUCTION: Cyclic fatigue failure is an inherent feature of rotary files when used in curved canals. This study aimed to assess the effect of repeated usage and autoclave sterilization on the dynamic cyclic fatigue resistance of heat-treated nicke…
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