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Table 1 Parameters for the mechanical properties of tooth, spongy bone, cortical bone, PDL, and stainless steel

From: The effect of vertical bracket positioning on torque and the resultant stress in the periodontal ligament—a finite element study

  Young's modulus (MPa) Poisson's ratio
Enamel 84,100 0.33
Dentin 18,600 0.30
Alveolar bone 490 0.30
Cortical bone 14,700 0.30
PDL 0.1 0.45
Stainless steel 200,000 0.30
Composite 2,140 0.31