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Table 1 Properties of the materials used in the FEM analysis

From: Establishment, FEM analysis and experimental validation of tooth movement prediction model of orthodontic archwire T-loop

Material Properties

Cortical bone

Cancellous bone

Periodontal ligament

Tooth

Poisson's ratio ν

0.30

0.30

0.45

0.30

Young's modulus E(GPa)

13.00

0.345

0.00689

20.20

Density (mg/cm3)

2400

1100

–

–

 

Brackets

Stainless steel archwire

Australian archwire

Poisson's ratio ν

0.30

0.30

0.30

Young's modulus E (GPa)

19.30

85.20

74.90

Elastic limit σe (GPa)

2.05

2.06

2.08

Tensile strength σb (GPa)

1.04

2.12

2.30