Numerical simulation of bone screw induced pretension: The cases of under-tapping and conical profile

Abstract Even though screw induced pretension impacts the holding strength of bone screws, its implementation into the numerical simulation of the pullout phenomenon remains a problem with no apparent solution. The present study aims at developing a new methodology to simulate screw induced pretensi...

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Veröffentlicht in:	Medical engineering & physics 2014-03, Vol.36 (3), p.378-386
Hauptverfasser:	Chatzistergos, Panagiotis E, Magnissalis, Evangelos A, Kourkoulis, Stavros K
Format:	Artikel
Sprache:	eng
Schlagworte:	Bone Screws Cohesive material model Damage simulation Finite Element Analysis Holding strength Mechanical Phenomena Pedicle screw Pullout Radiology Reproducibility of Results Synthetic bone
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