Skip to main content
Progress in Orthodontics

Table 1 Properties of the materials considered in this study

From: Torque movement of the upper anterior teeth using a clear aligner in cases of extraction: a finite element study

Material

Young’s modulus, MPa

Poisson ratio

Alveolar bone

1.37 × 103

0.3

Tooth

1.96 × 104

0.3

PDL

6.9 × 10−1

0.45

Aligner

816

0.36

Attachment

12.5 × 103

0.36

Back to article page