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Progress in Orthodontics

Table 2 Material properties of all components in finite element model

From: The effect of enhanced structure in the posterior segment of clear aligners during anterior retraction: a three-dimensional finite element and experimental model analysis

Component

Young’s Modulus (MPa)

Poisson’s Ratio

Teeth and attachments

20,700

0.3

PDL

0.47

0.45

Clear aligner

1000

0.4

Enhanced structure

2000

0.4

Alveolar bone

13,700

0.3

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