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Table 12 Torque expression, 0.022 brackets and TMA archwires

From: Torque expression capacity of 0.018 and 0.022 bracket slots by changing archwire material and cross section

 

Bracket

5 Nmm angle (°)

SD

20 Nmm angle (°)

SD

Maximum moment (Nmm)

SD

Clinically significant torque (°)

TMA .019×.025

Victory

23.82

0.34

30.51

0.16

-

-

6.70

SFP

17.53

0.29

22.59

0.09

-

-

5.06

Ovation

17.80

0.47

26.45

0.14

-

-

8.65

D.B. Leone

20.38

0.34

26.98

0.17

-

-

6.60

Damon

17.03

0.58

23.02

0.40

-

-

5.99

Nexus

39.64

2.35

-

-

15.12

0.68

-

TMA .021×.025

Victory

14.03

0.21

17.78

0.03

-

-

3.75

SFP

7.09

0.20

11.67

0.13

-

-

4.58

Ovation

7.55

0.13

13.36

0.07

-

-

5.81

D.B. Leone

10.82

0.26

15.47

0.12

-

-

4.65

Damon

8.00

0.33

14.00

0.20

-

-

6.00

Nexus

17.81

2.66

-

-

16.83

1.02

-