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Table 1 Material parameters of different materials in the finite element model

From: A finite element analysis on comparing the stability of different posterior fixation methods for thoracic total en bloc spondylectomy

 

Young’s modulus (MPa)

Poisson’s ratio

Cortical bone

12,000

0.3

Cancellous bone

100

0.2

Posterior bony unit

3500

0.25

Cartilage endplate

4000

0.3

Annulus fibrosus

4.2

0.45

Nucleus pulposus

1.0

0.4999

Titanium alloy

108,000

0.3