Table 1 Material properties.

From: Finite element study of the efficacy of three different loops for bodily protraction of the mandibular molar

Components

Young’s modulus

Poisson’s ration

Teeth

2000 MPa

0.3

Periodontal ligament (PDL)

0.05 MPa

0.49

Alveolar bone

1.37E + 04 MPa

0.38

Cancellous bone

200 MPa

0.3

TMA wire

66 GPa

0.3

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