TABLE 2.

Number and percentage of intensity of pain in all groups

Pain quality	Groups p						Total p	Group 1-2 p	Group 1-3	Group 2-3 p
	Group 1 Hand file+LC		Group 2 Reciproc+LC		Group 3 Reciproc+ CWO
	n	%	n	%	n	%
24 hours
0	8	53.3	5	33.3	5	33.3	0.399	0.402	0.246	0.770
1	3	20	8	53.3	7	46.7
2	2	13.3	1	6.7	0	0
3	2	13.3	1	6.7	3	20
48 hours
0	11	73.3	12	80	11	73.3	0.800	0.791	0.686	1.000
1	1	6.7	2	13.3	2	13.3
2	1	6.7	1	6.7	2	13.3
3	2	13.3	0	0	0	0
72 hours
0	12	80	12	80	13	86.7	0.903	1.000	1.000	0.598
1	2	13.3	3	20	1	6.7
2	1	6.7	0	0	1	6.7
3	0	0	0	0	0	0
7 days
0	15	100	15	100	15	100		-	-	-
p (for time)	0.160		0.001*		0.0001*		0.0001**	0.175	0.816	0.729

LC: Lateral condensation, CWO: Continuous wave obturation