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Three-dimensional analyses were done with the open-source software MeshLab (MeshLab_64bit_fp v2020.12) showing root mean square error [RMSE, (mm)] in the left column and Hausdorff distance [HD, (voxel)] in the right column: (A, B) preoperative vs. virtual (pre-virt) model, (C, D) preoperative vs. postoperative (pre-post), and (E, F) virtual model vs. postoperative (virt-post).
