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Progress in Orthodontics

Table 4 Comparison of load/deflection behavior between leveled and unleveled brackets during a 1-mm deflection in deactivation evaluation

From: Comparison of mechanical properties of beta-titanium wires between leveled and unleveled brackets: an in vitro study

Commercial brand

Deactivation

Mean (g)

SD

Leveled

Ortho Organizers

56.65 c

1.82

Morelli

3.18* a

0.61

GAC

57.99 cd

1.21

Orthometric (beta Flexy)

3.54 a

1.26

Orthometric (Flexy Multi)

37.32 b

6.42

Ormco

64.08 d

1.75

Unleveled

Ortho Organizers

59.10 c

0.69

Morelli

13.71* a

1.05

GAC

62.06 cd

1.43

Orthometric (beta Flexy)

9.61 a

4.31

Orthometric (Flexy Multi)

34.09 b

1.45

Ormco

68.29 d

2.61

  1. *Statistically significant differences (p < 0.05). Different lowercase letters represent non-significant differences.
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