Objective: to observe the ability of different bone cements to augment pedicle screw fixation and the effect of the cements on the adjacent spinal cord.

目的：观察不同骨水泥对椎弓根螺钉的加固作用及其对相邻脊髓的影响。

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Transpedicular screw internal fixation through posterior approach is helpful to fuse the grafted bone, reconstruct the cervicothoracic spinal column and maintain its stability.

后路椎弓根螺钉及侧块螺钉固定系统有助于植骨节段融合、重建和稳定颈胸段脊柱。

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