Table 2. Measurements of pre- and post-operation of skeletal facial contour.

Measurements	Pre operation	Post-operation
Bi-zygomatic diameter (ZYB), mm	128.37±5.99	116.18±3.82
Bi-gonial width (GOG), mm	113.69±6.73	95.81±4.92
Face height (FH), mm	116.51±5.17	120.97±3.47
ZYB/GOG, mm	1.13±0.06	1.21±0.06
ZYB/FH, mm	1.10±0.07	0.96±0.02
GOG/FH, mm	0.97±0.08	0.79±0.04