Biomechanical Comparison of a New Memory Compression Alloy Plate versus Traditional Titanium Plate for Anterior Cervical Discectomy and Fusion: A Finite Element Analysis

Table 1

Material properties assigned to the intact FE model.

Component element	Type	Young modulus (MPa)	Poisson ratio	Cross-sectional area (mm^2)
Cortical bone	C3D4	12000	0.3	/
Cancellous bone	C3D4	450	0.2	/
Endplate	C3D4	500	0.4	/
Articular cartilage	C3D4	10.4	0.4	/
Nucleus pulpous	C3D8H	1	0.49	/
Annulus fibers	T3D2	110	0.3	/
Annulus ground substance	C3D8H	3.4	0.4	/
Anterior longitudinal ligament	T3D2	10	0.3	6
Posterior longitudinal ligament	T3D2	10	0.3	5
Ligamentum flavum ligament	T3D2	1.5	0.3	5
Interspinous ligament ligament	T3D2	1.5	0.3	10
Supraspinous ligament	T3D2	1.5	0.3	5
Ligamenta intertransversaria	T3D2	1.5	0.3	5
Capsular	T3D2	10	0.3	46