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Table 1 Young’s modulus and Poisson’s ratio for the materials used in this study (Iseri et al. [30], Jafari et al. [31], Pan et al. [32], Lee et al. [33] and Xiulin Yan et al. [34])

From: Displacements prediction from 3D finite element model of maxillary protraction with and without rapid maxillary expansion in a patient with unilateral cleft palate and alveolus

Material

Young’s modulus (N/mm2)

Poisson’s ratio

Compact bone

1.37 × 104

0.3

Cancellous bone

7.9 × 103

0.3

Tooth

2.0 × 104

0.3