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Comparison and prediction of pullout strength of conical and cylindrical pedicle screws within synthetic bone

BACKGROUND: This study was designed to derive the theoretical formulae to predict the pullout strength of pedicle screws with an inconstant outer and/or inner diameter distribution (conical screws). For the transpedicular fixation, one of the failure modes is the screw loosening from the vertebral b...

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Detalles Bibliográficos
Autores principales: Tsai, Wen-Chi, Chen, Po-Quang, Lu, Tung-Wu, Wu, Shing-Sheng, Shih, Kao-Shang, Lin, Shang-Chih
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2009
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2694760/
https://www.ncbi.nlm.nih.gov/pubmed/19402917
http://dx.doi.org/10.1186/1471-2474-10-44