Objective: To evaluate the pull out strength of different posterior route cervical screw implant techniques.

目的：评价下颈椎后路螺钉不同植钉方法的拔出强度。

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Results: There was no significant difference of screw insertion torque and the pull-out strength between each group.

结果：各组最大螺钉旋入力矩、抗拔出力差异无统计学意义。

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Results: There was no significant difference of screw insertion torque and the pull-out strength between each group.

结果：各组最大螺钉旋入力矩、抗拔出力差异无统计学意义。

youdao