Table 6 Mean (in cN) and standard deviation (SD) of 0.016-in. thermally activated NiTi wires, in the bracket systems (n = 10)

0.5 mm

32.66 (3.10)

^B

27.47 (5.32)

^B

4.28 (3.56)

^A

29.04 (16.92)

^B

0.000*

1 mm

94.34 (6.65)

^A

81.00 (6.67)

^A

126.50 (41.57)

^B

140.05 (25.26)

^B

0.000*

2 mm

212.53 (8.01)

^B

180.62 (4.84)

^A

211.61 (6.19)

^B

219.73 (10.89)

^B

0.000*

3 mm

295.28 (12.84)

^B

270.62 (4.88)

^A

374.67 (15.06)

^D

322.26 (13.23)

^C

0.000*