From: Finite element method analysis of the periodontal ligament in mandibular canine movement with transparent tooth correction treatment
Material
Modulus of Elasticity/MPa
Poisson’s ratio
Number of elements
Number of nodes
Teeth
18600
0.31
15457
26371
Alveolar bone
13700
0.30
51502
80282
periodontal ligament
0.68
0.49
12891
26396
Aligner
816.31
19256
37024