Research Article

Evaluation of a Porous Bioabsorbable Interbody Mg-Zn Alloy Cage in a Goat Cervical Spine Model

Table 1

Comparison of magnesium and two common fusion cage materials.

ā€‰TitaniumPEEKMagnesium

Elastic ModulusHighClose to boneClose to bone
Subsidence RateHighLowLow
Compressive StrengthHighClose to boneClose to bone
StabilityExcellentWellWell
RadiolucentNoYesYes
MRI CompatibleNoYesYes
OsteointegrationYesYesYes
DegradableNoNoNo
BiocompatibilityNormalWellExcellent