From: Different biomechanical effects of clear aligners in bimaxillary space closure under two strong anchorages: finite element analysis
Material
Young’s modulus, E (Mpa)
Poisson ratio, v
Alveolar bone
1.37*104
0.30
Teeth
1.96*104
Periodontal ligament
0.69
0.45
Clear aligners
528
0.36
Attachments
1.25*104
Miniscrew
1.03*105
0.33
Buccal button
2*105