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Progress in Orthodontics

Table 2 Material properties of wire and brackets

From: Comparative assessment of the efficacy of closed helical loop and T-loop for space closure in lingual orthodontics—a finite element study

Components

Young’s modulus (GPa)

Poisson’s ratio (μ)

TMA (ORMCO)

66

0.3

Stainless steel brackets

168

0.3

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