Comparison of the 3D-printed operation guide template technique and the free-hand technique for S2-alar-iliac screw placement.
Yonghui ZhaoYulong MaJinlong LiangHaotian LuoXingbo CaiYongqing XuSheng LuPublished in: BMC surgery (2020)
Both techniques can be applied to S2AI screw placement. The 3D-printed guide technique is superior to the free-hand technique in terms of safety and accuracy.