以上来源于: WordNet
Posterior screw fixation on atlas includes posterior screw fixation within lateral mass of atlas and in atlas via posterior arch and lateral mass.
后路寰椎螺钉固定包括寰椎侧块螺钉和寰椎后弓侧块螺钉固定。
The technique of free hand insertion with the lateral mass screw of atlas and vertebra dentata pedicle screw is simple, fixation is reliability and is well worth to spreading.
寰椎侧块螺钉与枢椎椎弓根螺钉徒手植入技术简单、可靠，值得推广。
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