Is human bone matrix a sufficient augmentation method revising loosened pedicle screws in osteoporotic bone? - A biomechanical evaluation of primary stability.

Philipp Egenolf,Arne Harland,Maximilian Weber,Andreas Prescher,Grischa Bratke,Peer Eysel,Max Joseph Scheyerer,Maximilian Lenz

Clinical biomechanics (Bristol, Avon)（2023）

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摘要

Human bone matrix augmentation does not reach the same ad-hoc fixation strength as enlarging the screw's diameter by 2 mm and is therefore biomechanically inferior. Regarding the immediate stability, a thicker screw should therefore be prioritised.

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关键词

Augmentation,Biomechanics,Human bone matrix,Loosening,Pedicle screw,Revision

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