Fig. 7

Distribution to Target intervals. Achieved accuracies for both experimental and control groups are assigned to target intervals according to clinically accepted surgical accuracies: “good” (in green color) for values less than 1 mm for translational movements (x-, y- and z-axis) and less than 2° for rotational movements (roll, pitch and yaw rotation), “acceptable” (in blue color) for values between 1 mm/2° and 2 mm/4°, and “undesirable” (in red color) for values exceeding 2 mm/4°