Table 2. Multiple comparisons between groups.

						Kruskal-Wallis statistical analysis
Scores		0	1	2	3	Median[IQR]	P
Coronal	Beveled Needle	-	-	8	7	2[2-3]ac	<.001
	Double Side - Needle	-	-	10	5	2[2-3]ac
	CanalBrush	-	-	14	1	2[2-2]ac
	XP-endo Finisher	-	4	11	-	2[1-2]bc
	Vibringe	-	2	13	-	2[2-2]ac
	PUI	7	5	3	-	1[0-1]b
	LAI	6	6	3	-	1[0-1]b
Middle	Beveled Needle	-	-	5	10	3[2-3]a	<.001
	Double Side - Needle	-	-	5	10	3[2-3]a
	CanalBrush	-	3	9	3	2[2-2]a
	XP-endo Finisher	-	4	9	2	2[1-2]ac
	Vibringe	-	1	12	2	2[2-2]a
	PUI	7	5	3	-	1[0-1]bc
	LAI	6	8	1	-	1[0-1]b
Apical	Beveled Needle	-	-	1	14	3[3-3]a	<.001
	Double Side - Needle	-	-	2	13	3[3-3]a
	CanalBrush	-	1	7	7	2[2-3]a
	XP-endo Finisher	-	-	7	8	3[2-3]a
	Vibringe	-	-	8	7	2[2-3]a
	PUI	1	7	7	-	1[1-2]b
	LAI	2	5	8	-	2[1-2]b