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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.