Primary stability of pedicle screws depends on the screw positioning and alignment.

@article{Costa2013PrimarySO,
  title={Primary stability of pedicle screws depends on the screw positioning and alignment.},
  author={Francesco Vittorio Costa and Tomaso Villa and Federica Anasetti and Massimo Tomei and Alessandro Ortolina and Andrea Cardia and Luigi La Barbera and M. Fornari and Fabio Galbusera},
  journal={The spine journal : official journal of the North American Spine Society},
  year={2013},
  volume={13 12},
  pages={1934-9}
}
BACKGROUND CONTEXT There is no universal consensus regarding the biomechanical aspects and relevance on the primary stability of misplaced pedicle screws. PURPOSE The study is aimed to the determination of the correlation between axial pullout forces of pedicle screws with the possible screw misplacement, including mild and severe cortical violations… CONTINUE READING