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Table 1 Material properties of various anatomical structures

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

Components Density (g/mm3) Young’s modulus (GPa) Poisson’s ratio (μ)
Teeth 1.7–06 2.03 + 04 0.3
Periodontal ligament (PDL) 1.7–06 0.667 0.49
Alveolar bone 1.7–06 1.37 + 04 0.38