Assesment [sic] of cement augmentation and screw trajectory on pedicle screw fixation in osteoporotic vertebrae
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Internal fixation of osteoporotic spines for fracture or deformity is currently difficult, owing to failure at the bone- implant interface. This study aims to ascertain whether pedicle screw trajectory and pedicle cortex retention can independently significantly affect fixation strength in osteoporotic vertebrae.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.