What question did this study set out to answer?

This research aims to analyze the performance of different screws in relation to bone density.

November 11, 2025Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine

Analysis of the performance of different screws in the presence of bone density variability

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Authors

ZLZhirui Lu ZSZhongshu Shan SMShuangshuang Ma

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Implication

Analysis shows diverse screw types impact pullout resistance in osteoporosis and healthy bone, suggesting improved screw design may enhance surgical outcomes.

Key Points

This research aims to analyze the performance of different screws in relation to bone density.
Evaluated pullout performance of eight pedicle screw types
Utilized 3D-printed screws and polyurethane foam models
Conducted mechanical testing and finite element analysis
Cement-Augmented and Expandable screws showed superior pullout resistance in osteoporosis
Double Pitch and Double Threaded screws performed best in healthy bone
Double Double Core and New Double Threaded screws excelled in osteopenia

Cite This Study

Lu et al. (2025) studied this question.

synapsesocial.com/papers/69252ea3c0ce034ddc3567ba https://doi.org/10.1177/09544119251390617

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Implication

Analysis shows diverse screw types impact pullout resistance in osteoporosis and healthy bone, suggesting improved screw design may enhance surgical outcomes.

Analysis of the performance of different screws in the presence of bone density variability

Discussion

Member takes

Implication

Key Points

Cite This Study

Analysis of the performance of different screws in the presence of bone density variability

Discussion

Member takes

Implication

Key Points

Cite This Study

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