Effects of the Insertion Type and Depth on the Pedicle Screw Pullout Strength: A Finite Element Study

<div>Extraction of a 2D axisymmetric model for the screw and the surrounding bone structures: (a) global model of the vertebra and pedicle screw, (b) boundaries of the axisymmetric model, and (c) relevant dimensions used in the development of the 2D axisymmetric model.</div>

Applied Bionics and Biomechanics

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Figure 1

Figure 1: Effects of the Insertion Type and Depth on the Pedicle Screw Pullout Strength: A Finite Element Study 