Table 3 Mean (in cN) and standard deviation (SD) of 0.014-in. conventional NiTi wires in the bracket systems (n = 10)

0.5 mm

24.45 (3.84)

^BC

22.57 (6.74)

^B

3.36 (1.64)

^A

33.36 (12.80)

^C

0.000*

1 mm

70.06 (8.19)

^A

54.62 (6.12)

^A

69.52 (41.57)

^A

118.26 (25.26)

^B

0.000*

2 mm

196.92 (7.79)

^B

167.14 (6.30)

^A

190.65 (6.36)

^B

214.84 (7.43)

^C

0.000*

3 mm

235.42 (8.89)

^B

224.33 (5.62)

^A

277.70 (9.84)

^C

274.84 (6.47)

^C

0.000*