Efficacy of four different irrigation techniques combined with 60°C 3% sodium hypochlorite and 17% EDTA in smear layer removal

Table 1 Means and SD values and results of comparison between smear layer scores for different irrigation techniques

	Side-vented needle		UI		NaviTip		Endo-		Control
	Side-vented needle		UI		FX		Activator		Control
Segment	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	P value
Apical	4.66^a,b	0.60	4.33^a,b	0.47	4.66 ^a,b	1.02	4.42^a,b	0.78	4.34^a,b	0.94	> 0.05
Middle	2.83^a,b	0.71	2.67^a,b	0.86	2.66^a,b	0.99	2.00 ^a,b	1.30	2.34^a,b	0.56	> 0.05
Coronal	1.48^a,b	0.35	2.00^b	0.53	1.58^a,b	0.79	1.67 ^a	1.03	1.58 ^a,b	0.61	< 0.05
Total	2.83^a,b	1.30	3.08^a	0.29	2.58^b	0.98	2.16^b	1.38	2.42^b	1.24	< 0.05

ISSN: 1472-6831