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Table 1 Mechanical properties

From: Efficacy of a four-curvature auxiliary arch at preventing maxillary central incisor linguoclination during orthodontic treatment: a finite element analysis

Material

Poisson's ratio

Elastic modulus (MPa)

Teeth

0.3

20.7 × 103

Cortical bone

0.3

13.7 × 103

Cancellous bone

0.3

1.37 × 103

Periodontal membrane

0.45

68.9

Bracket

0.3

20.6 × 104

Four-curved auxiliary arch

0.3

17.6 × 104

Bow wire

0.3

17.6 × 104

Traction hook

0.3

17.6 × 104

Micro-implant

0.35

10.34 × 104

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BMC Oral Health

ISSN: 1472-6831

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