The scores changes indicated lesion reduction in all groups; however, the between-group comparison using the Kruskal–Wallis test did not reach statistical significance ( p > 0.05), and no pairwise comparison between Tornado, WaveOne, and OneShape reached significance after Bonferroni correction.
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Cone-Beam Computed Tomographic Evaluation of Periapical Lesion Healing After Root Canal Preparation with Different File Systems.
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