Table 2 Material properties and mesh type

Teeth-Aligner Model

 Teeth

rigid

0.30

3D shell triangle

 Attachment

rigid

0.30

3D shell triangle

 Periodontal ligament

0.47

0.45

3D solid hexahedron

 Clear aligner

1000

0.40

3D shell triangle

 Button

2000

0.40

3D solid tetrahedron

Cranium-Maxilla-Mandible-TMJ Model

 Bone

14,480

0.30

3D solid tetrahedron

 Articular disc

16

0.40

3D solid tetrahedron

 Retrodiscal elastic stratum

120

0.40

3D solid tetrahedron