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Table 1 Properties of simulated materials

From: 3D FEM comparison of lingual and labial orthodontics in en masse retraction

  Young's modulus (N/mm) Poisson's ratio
Cancellous bone 1370 0.30
Cortical bone 13700 0.26
PDL 0.6668 0.49
Tooth 20000 0.30
Bracket and SS wire 214000 0.30