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Table 1 Material properties of finite element method (FEM) models

From: Biomechanical comparison of percutaneous posterior endoscopic cervical discectomy and anterior cervical decompression and fusion on the treatment of cervical spondylotic radiculopathy

Material

Elasticity modulus (MPa)

Poisson’s ratio

Bone tissue

 Cortical bone

18,000

0.3

 Cancellous bone

200

0.2

Ligament

Nonlinear spring

Implant

 Titanium plate

114,000

0.3

 Cage

4100

0.4

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X