Table 2. Vas scores* at each time point.

		Group
		Superelastic NiTi (n = 42)		Multistranded stainless Steel (n = 43)
Time point	Description	Mean	Standard deviation	Mean	Standard deviation
0	Baseline	0	0	0	0
1	1 h	5.0	3.0	3.7	2.1
2	2 h	6.1	3.0	4.2	2.2
3	4 h	8.6	4.0	8.4	4.3
4	6 h	14.6	7.0	12.7	6.0
5	12 h	27.0	9.1	24.4	10.8
6	Day 1 morning	28.8	11.0	26.4	9.0
7	Day 1 afternoon	27.8	9.1	25.4	8.6
8	Day 1 bedtime	27.5	11.2	25.2	8.2
9	Day 2 morning	24.6	10.4	23.0	5.8
10	Day 2 afternoon	22.2	9.6	21.6	6.0
11	Day 2 bedtime	20.6	10.2	20.3	6.5
12	Day 3 morning	18.3	9.2	17.9	6.3
13	Day 3 afternoon	16.1	8.2	16.5	5.7
14	Day 3 bedtime	15.6	7.6	15.0	3.5
15	Day 4 morning	14.2	6.8	12.9	2.5
16	Day 4 afternoon	12.9	4.6	11.6	2.0
17	Day 4 bedtime	11.3	5.3	10.1	3.1
18	Day 5 morning	9.8	4.3	8.5	3.0
19	Day 5 afternoon	8.3	4.6	7.1	2.5
20	Day 5 bedtime	6.4	3.3	5.9	2.3
21	Day 6 morning	5.5	3.4	4.9	2.5
22	Day 6 afternoon	4.9	2.5	4.4	1.8
23	Day 6 bedtime	4.4	1.6	3.7	1.5
24	Day 7 morning	3.5	1.5	3.2	1.3
25	Day 7 afternoon	2.7	0.9	2.9	0.8
26	Day 7 bedtime	2.3	0.9	2.5	0.8
27	Day 10 morning	2.5	1.2	2.1	1.1
28	Day 10 afternoon	2.3	1.3	2.0	1.1
29	Day 10 bedtime	2.2	0.8	1.9	1.0
30	Day 14 morning	2.1	0.9	1.8	0.9
31	Day 14 afternoon	1.8	1.1	1.7	1.2
32	Day 14 bedtime	1.8	0.6	1.5	0.7