固定(群体遗传学)
医学
显著性差异
减压
外科
口腔正畸科
人口
环境卫生
内科学
作者
Jianhua Wu,Wei Yi,Fangfang Duan,Da He,Xieyuan Jiang,Tian Wei
摘要
Abstract Background To assess the accuracy of robot‐assisted Magerl screw placement and explore the factors affecting the accuracy. Methods A retrospective analysis of patients who underwent robot‐assisted Magerl screw placement was performed. The accuracy of Magerl screw placement was evaluated according to the Gertzbein and Robbins scale. Results 47 Magerl screws were placed in 24 consecutive patients. 32 Magerl screws were narrower than the C2 isthmus height and 26 of them were grade A. 15 Magerl screws were wider than the C2 isthmus height and all of them were grade B. Temporary fixation after decompression and a smaller difference between the C2 isthmus height and screw diameter were associated with a higher probability of cortical breach. Conclusion The accuracy of robot‐assisted Magerl screw placement was excellent. Temporary fixation after decompression and a smaller difference between the C2 isthmus height and screw diameter increased the risk of cortical breach.
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