Table 4 Mean (in cN) and standard deviation (SD) of 0.014-in. thermally activated NiTi wires, in the bracket systems (n = 10)

0.5 mm

23.84 (2.53)

^B

29.74 (6.99)

^B

6.93 (7.48)

^A

33.41 (14.70)

^B

0.000*

1 mm

63.61 (5.83)

^A

53.71 (8.81)

^A

64.39 (13.46)

^A

85.39 (13.89)

^B

0.000*

2 mm

114.03 (6.86)

^A

111.27 (6.96)

^A

108.28 (6.34)

^A

129.12 (5.66)

^B

0.000*

3 mm

168.95 (8.00)

^A

171.90 (7.78)

^A

212.77 (8.41)

^C

200.79 (8.53)

^B

0.000*