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Table 3 Comparison of load/deflection behavior between leveled and unleveled brackets during a 1-mm deflection in activation evaluation

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

Commercial brand

Activation

Mean (g)

SD

Leveled

Ortho Organizers

142.40 b

2.71

Morelli

179.47 d

3.02

GAC

147.15 b

2.06

Orthometric (Beta Flexy)

160.39* c

11.81

Orthometric (Flexy Multi)

110.25 a

6.03

Ormco

139.62* b

6.18

Unleveled

Ortho Organizers

140.15 c

1.16

Morelli

175.68 d

5.10

GAC

139.38 c

3.80

Orthometric (Beta Flexy)

142.44* c

13.27

Orthometric (Flexy Multi)

111.05 a

8.60

Ormco

128.84* b

7.22

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