Table 1. Comparison for maxillary symmetry between pre-surgery and post-surgery for both groups.
Parameters Group A Group B
Pre-surgery Post-surgery Difference Pre-surgery Post-surgery Difference Distance to FHP, mm
A 24.70±2.66 27.33±2.67 -2.63±4.67* 26.55±4.42 28.39±3.00 -1.84±1.92*
ANS 21.41±3.15 20.39±3.21 1.02±1.20* 23.71±1.47 21.28±1.80 2.43±2.23*
PNS 22.37±2.27 21.43±2.46 0.94±1.22* 22.34±2.82 20.33±2.92 2.00±3.59*
U4R-U4L 3.80±1.48 0.46±0.14 3.34±1.47* 3.72±1.88 0.47±0.19 3.25±1.90*
U6R-U6L 3.88±1.59 0.26±0.08 3.63±1.60* 4.42±1.94 0.33±0.07 4.10±1.99*
Distance to midfacial plane, mm
A 3.15±0.95 0.42±0.12 2.73±0.95* 3.60±1.46 0.47±0.13 3.13±1.47*
ANS 2.30±1.61 0.74±0.17 1.56±1.69* 3.04±1.81 0.81±0.18 2.23±1.80*
PNS 1.20±0.47 0.67±0.34 0.53±0.51* 1.46±0.70 0.71±0.32 0.75±0.76*
U4R-U4L 1.20±0.50 1.31±0.49 -0.10±0.50 1.21±0.52 1.05±0.29 0.16±0.60 U6R-U6L 1.22±0.27 0.95±0.33 0.27±0.59 1.29±0.22 0.87±0.18 0.42±0.29*
Distance to midfacial plane, mm
A 87.27±6.64 85.60±7.82 1.67±9.18 83.58±7.50 85.94±6.80 -2.36±9.36 ANS 90.05±6.96 84.05±6.36 6.00±13.26 87.32±8.42 85.70±6.89 1.63±13.43 PNS 42.15±4.53 41.21±3.79 0.95±3.49 39.95±5.93 40.14±4.49 -0.19±8.54 U4R-U4L 2.41±1.39 1.68±0.90 0.73±1.67 1.37±1.09 1.61±0.44 -0.24±1.22 U6R-U6L 2.62±0.61 1.22±0.55 1.41±0.59* 2.38±0.51 1.89±0.53 0.49±1.02
*p<0.05, Pre-surgery vs Post-surgery unpaired t-test, Difference = Pre-surgery - Post-surgery
Parameters Group A Group B
Pre-surgery Post-surgery Difference Pre-surgery Post-surgery Difference Distance to FHP, mm
B 74.12±6.66 77.78±5.54 -3.66±3.21* 73.91±6.86 75.36±6.10 -1.46±2.70*
Me 85.81±8.95 88.94±7.21 -3.13±3.87* 85.19±7.36 88.21±6.17 -3.02±2.99*
GoR-GoL 8.23±2.35 3.70±1.06 4.53±3.05* 8.69±2.05 2.31±0.93 6.38±2.58*
L4R-L4L 3.40±1.76 0.30±0.16 3.09±1.79* 2.69±0.81 0.41±0.25 2.29±0.89*
L6R-L6L 4.18±1.22 0.50±0.30 3.67±1.37* 3.14±1.93 0.84±0.23 2.30±1.96*
Distance to midfacial plane, mm
B 7.79±2.83 1.08±0.40 6.72±2.77* 8.25±2.83 1.21±0.45 7.04±2.77*
Me 8.17±4.02 1.94±0.77 6.23±4.37* 10.44±2.57 1.85±0.99 8.59±2.82*
GoR-GoL 5.46±3.16 3.18±1.26 2.27±2.69* 7.42±2.06 1.11±0.39 6.31±2.11*
L4R-L4L 2.69±1.34 1.87±1.05 0.82±1.63 2.27±0.76 1.50±0.89 0.77±1.62 L6R-L6L 3.52±1.03 0.99±0.44 2.53±1.13* 3.90±1.31 2.74±1.28 1.16±2.19 Distance to midfacial plane, mm
B 80.20±8.31 77.21±6.50 3.00±10.01 82.49±7.69 79.05±6.80 3.44±10.68 Me 77.65±5.07 78.07±5.96 -0.42±6.67 78.43±5.76 78.14±5.73 0.29±8.95 GoR-GoL 3.36±1.88 2.09±1.15 1.27±3.00 3.53±0.14 2.36±1.09 1.17±1.66*
L4R-L4L 0.57±0.19 0.73±0.32 -0.16±0.42 0.64±0.31 0.85±0.18 -0.21±0.42 L6R-L6L 1.24±0.48 0.95±0.39 0.29±0.82 1.27±0.64 0.94±0.37 0.33±0.67
*p<0.05, Pre-surgery vs Post-surgery unpaired t-test, Difference = Pre-surgery - Post-surgery
Table 3. Quantitative accuracy comparison between virtual stimulated surgery model and post- surgery CT scan for maxillary segment in both groups.
Parameters Group A Group B
Simulated Post-surgery Difference Simulated Post-surgery Difference Distance to FHP, mm
A 27.48±2.63 27.33±2.67 0.15±3.74 28.50±2.44 28.39±3.00 0.11±4.27 ANS 20.11±3.10 20.39±3.21 0.28±5.54 21.88±2.41 21.28±1.80 0.61±3.52 PNS 21.92±2.15 21.43±2.46 0.50±3.76 22.68±2.40 20.33±2.92 2.34±4.37*
U1 56.54±5.86 54.09±4.53 2.45±7.25 54.93±4.35 54.26±4.93 0.67±6.41 U6L 49.13±5.76 47.98±5.08 1.15±9.45 48.75±4.45 50.56±5.01 -1.81±7.25 U6R 49.34±4.54 47.22±3.63 2.13±5.40 50.92±3.35 48.39±3.23 2.53±5.60 Distance to midfacial plane, mm
A 0.49±0.24 0.42±0.12 0.07±0.27 0.62±0.34 0.47±0.13 0.14±0.35 ANS 1.00±0.25 0.74±0.17 0.26±0.32* 0.67±0.23 0.81±0.18 -0.14±0.23*
PNS 0.64±0.17 0.67±0.34 -0.02±0.42 0.59±0.18 0.71±0.32 -0.12±0.22*
U1 0.60±0.22 0.69±0.23 -0.09±0.33 0.70±0.22 0.70±0.23 0.01±0.22 U6L 26.76±1.90 25.00±3.11 1.76±3.68 24.10±3.64 23.76±2.86 0.35±5.32 U6R 25.56±2.86 26.11±2.65 -0.55±4.41 25.87±3.23 24.93±3.19 0.95±4.22 Distance to midfacial plane, mm
A 86.10±4.93 85.60±7.82 0.50±10.69 90.02±5.58 85.94±6.80 4.08±6.71*
ANS 85.64±4.07 84.05±6.36 1.59±6.46 86.58±5.36 85.70±6.89 0.89±7.18 PNS 43.43±2.69 41.21±3.79 2.23±4.46 46.32±3.36 40.14±4.49 6.18±4.21*
U1 89.44±4.65 87.40±4.30 2.04±6.23 90.29±4.33 88.58±5.77 1.71±7.62 U6L 65.50±4.37 65.16±4.21 0.34±4.73 63.01±3.84 68.07±4.32 -5.06±6.64*
U6R 64.13±5.02 65.46±3.92 -1.33±5.21 64.61±4.52 64.55±6.11 0.07±7.35
*p<0.05, Simulated vs Post-surgery unpaired t-test, Difference = Simulated - Post-surgery
surgery CT scan for distal mandibular segment in both groups
.Parameters Group A Group B
Simulated Post-surgery Difference Simulated Post-surgery Difference Distance to FHP, mm
B 76.78±6.63 77.78±5.54 -1.00±6.54 78.90±6.58 75.36±6.10 3.54±6.31*
Me 87.69±6.43 88.94±7.21 -1.25±8.05 89.63±4.60 88.21±6.17 1.42±2.43*
L1 51.79±3.06 52.57±4.88 -0.79±4.89 53.03±4.98 49.90±4.32 3.13±6.21 L6R 47.47±3.03 45.21±3.53 2.27±4.18* 48.36±4.20 47.15±4.95 1.21±6.65 L6L 49.74±5.06 50.04±5.49 -0.30±6.26 52.08±4.65 50.39±4.75 1.69±5.40 Distance to midfacial plane, mm
B 1.16±0.45 1.08±0.40 0.08±0.61 1.28±0.24 1.21±0.45 0.07±0.51 Me 2.34±0.50 1.94±0.76 0.39±0.54* 2.39±0.57 1.85±0.99 0.54±0.67*
L1 1.23±0.25 1.33±0.14 -0.10±0.33 1.55±0.31 1.41±0.21 0.14±0.35 L6R 22.86±1.97 23.36±2.13 -0.50±2.94 21.49±1.35 24.21±1.82 -2.73±2.41*
L6L 23.06±2.80 24.57±1.74 -1.51±3.34 23.97±2.90 24.73±2.77 -0.76±4.24 Distance to midfacial plane, mm
B 78.80±6.00 77.21±6.50 1.60±10.55 80.76±4.72 79.05±6.80 1.71±2.60*
Me 79.89±4.12 78.07±5.96 1.82±8.47 77.37±4.62 78.14±5.73 -0.78±9.17 L1 88.44±7.12 88.57±4.65 -0.13±8.02 91.51±2.71 87.78±6.90 3.73±7.27 L6R 66.62±4.70 62.11±4.56 4.51±8.51 66.32±4.00 63.82±4.31 2.51±6.30 L6L 66.70±4.01 65.78±4.84 0.92±6.92 66.47±4.35 63.27±5.68 3.20±6.39
*p<0.05, Simulated vs Post-surgery unpaired t-test, Difference = Simulated - Post-surgery
Table 5. Quantitative accuracy comparison between virtual stimulated surgery model and post- surgery CT scan for proximal mandibular segments in both groups.
Parameters Group A Group B
Simulated Post-surgery Difference Simulated Post-surgery Difference Distance to FHP, mm
CoT 1.63±0.80 1.65±0.76 -0.01±1.19 1.85±0.48 2.23±0.94 -0.38±0.49*
CoA 2.14±1.01 2.38±0.88 -0.25±0.86 2.32±0.86 2.92±1.43 -0.60±1.13*
CoP 1.87±0.63 2.05±0.62 -0.18±0.80 1.98±0.46 2.07±1.20 -0.10±1.28 La 1.92±0.56 2.46±0.87 -0.55±0.39* 2.11±0.86 1.84±0.89 0.27±0.27*
Ma 1.93±0.66 2.00±0.67 -0.07±0.87 1.49±0.49 1.72±0.41 -0.23±0.20*
Go 58.84±4.80 55.39±5.72 3.45±1.76* 56.45±5.31 57.33±3.98 -0.88±1.52*
Distance to midfacial plane, mm
CoT 48.78±4.17 49.37±3.67 -0.59±6.35 50.01±3.29 50.40±3.12 -0.39±0.52*
CoA 48.53±3.74 50.10±5.62 -1.56±6.66 48.51±4.07 52.55±5.28 -4.04±5.87*
CoP 50.51±4.17 52.00±6.81 -1.49±8.88 51.67±3.79 50.30±2.74 1.36±4.69 La 56.47±4.43 54.06±4.67 2.41±3.59* 57.03±4.16 60.37±4.16 -3.35±5.94*
Ma 42.55±3.99 43.59±3.71 -1.04±5.67 44.08±4.22 47.60±5.93 -3.52±5.70*
Go 52.86±4.05 50.69±3.19 2.16±3.26* 53.54±3.22 51.09±4.85 2.45±4.43*
Distance to midfacial plane, mm
CoT 12.15±1.55 13.56±2.32 -1.41±2.64 13.12±1.84 11.85±2.21 1.27±1.21*
CoA 18.48±2.88 16.02±3.11 2.47±4.57* 19.13±1.93 18.78±1.86 0.35±2.60 CoP 7.13±1.15 6.89±1.28 0.24±1.72 8.11±1.22 5.90±1.13 2.21±1.75*
La 13.70±1.92 13.48±2.32 0.22±2.80 15.99±2.58 13.82±2.34 2.17±2.75*
Ma 13.03±2.59 13.76±1.82 -0.74±3.49 14.59±2.32 13.26±2.27 1.33±3.34 Go 13.43±2.49 16.04±4.93 -2.60±4.54* 14.67±3.18 10.80±4.31 3.87±5.71*
*p<0.05, Simulated vs Post-surgery unpaired t-test, Difference = Simulated - Post-surgery
