Table 2Multiple comparisons between groups Kruskal-Wallis statistical analysisScores 0123Median[IQR]PCoronalBeveled Needle--872ac <.001Double Side - Needle--1052ac CanalBrush--1412ac XP-endo Finisher-411-2bc Vibringe-213-2ac PUI753-1b LAI663-1b MiddleBeveled Needle--5103a <.001Double Side - Needle--5103a CanalBrush-3932a XP-endo Finisher-4922ac Vibringe-11222a PUI753-1bc LAI681-1b ApicalBeveled Needle--1143a <.001Double Side - Needle--2133a CanalBrush-1772a XP-endo Finisher--783a Vibringe--872a PUI177-1b LAI258-2b