Table 7. Descriptive statistics and Kruskal-Wallis test results on the percentages of gutta-percha, sealer and voids according to level of sections independent from shaping system in C2-type.

		Gutta-Percha			Sealer			Voids
	n	Median	IQR	p	Median	IQR	p	Median	IQR	p
2mm
LC	10	77.04a	9.59	< .01	22.96a	9.59	< .01	0.00	0.00	.07
CW	10	93.76a	6.90		5.96a	6.84		0.19	0.77
4mm
LC	10	86.73a	3.03	< .01	13.26 a	3.10	< .01	0.00	0.00	.54
CW	10	97.87a	2.98		1.90 a	2.97		0.00	0.11
6mm
LC	10	76.59b	6.06	< .001	23.00 b	6.35	< .001	0.09	0.86	.41
CW	10	98.05b	2.32		1.92 b	2.42		0.00	0.26
Total
LC	10	80.64b	5.20	< .001	19.10 b	6.55	< .001	0.15	0.42	.94
CW	10	96.77b	2.77		2.99 b	2.55		0.21	0.32

^a significant difference between groups at level of p < .01,

^b p < .001