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Table 1 Absolute deviations of screw trajectories at pedicle centroids

From: Patient-specific drill template for C2 transoral pedicle insertion in complete reduction of atlantoaxial dislocation: cadaveric efficacy and accuracy assessments

  PDT group Freehand group
Axial plane (mm) 0.79 ± 0.64 1.69 ± 0.54
Sagittal plane (mm) 0.96 ± 0.51 1.72 ± 0.64