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Table 1 Mechanical properties of various materials

From: Comparison and evaluation of stresses generated by rapid maxillary expansion and the implant-supported rapid maxillary expansion on the craniofacial structures using finite element method of stress analysis

Material Modulus of elasticity Poisson’s ratio
Compact bone 1.37 × 103 0.3
Cancellous bone 7.9 × 102 0.3
Tooth 2.0 × 103 0.3
Sutures 1.46 MPa 0.28
Cartilage 0.69 MPa 0.018
Titanium 114 MPa 0.34