Research Article

Biomechanical Evaluation of a Novel Apatite-Wollastonite Ceramic Cage Design for Lumbar Interbody Fusion: A Finite Element Model Study

Table 3

Maximum stress values in the L5 end plate and their localisations under different loads. There were no significant differences between cage designs (). I: intact model.

ā€‰FlexionExtensionBendingRotation
Max. stress
value
Max. stress
point
Max. stress
value
Max. stress
point
Max. stress
value
Max. stress
point
Max. stress
value
Max. stress
point

I25.9Anterior17.1Posterior17.7Anterolateral18.4Anterior
K128.9Anterior14.7Anterior27.9Anterolateral20.5Anterior
K228.0Anterior14.2Anterior28.9Anterolateral20.0Anterior
K329.0Anterior14.8Anterior27.9Anterolateral20.5Anterior
K428.9Anterior14.6Anterior29.3Anterolateral20.5Anterior