Abstract:The aim of the study was to examine the effect of operator experience on the quality of instrumentation of molar canals using the TF Adaptive file system (SybronEndo, Orange, CA) on a 3D‐printed molar replica model. Three novice and two expert operators instrumented the root canals of three replicas each and resulting pre‐ and postinstrumentation 12 micron voxel size‐microCT volumes of each replica were digitally registered. Relative modified canal wall surface fraction and canal transportation (1–9 mm from th… Show more
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