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Traditional and cortical trajectory screws of static and dynamic lumbar fixation- a finite element study
BACKGROUND: Two types of screw trajectories are commonly used in lumbar surgery. Both traditional trajectory (TT) and cortical bone trajectory (CBT) were shown to provide equivalent pull-out strengths of a screw. CBT utilizing a laterally-directed trajectory engaging only cortical bone in the pedicl...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7362474/ https://www.ncbi.nlm.nih.gov/pubmed/32664920 http://dx.doi.org/10.1186/s12891-020-03437-5 |