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Table 5 The relative ratio of soft tissue movement to bony movement in the anteroposterior direction and three-dimensional changes of perioral soft tissue after BSSRO

From: Three dimensional evaluation of soft tissue after orthognathic surgery

Landmarks Soft tissue/bony movement (%) X-axis Y-axis Z-axis
mean SD P-value Mean SD P-value Mean SD P-value
Ch (L) 37% 0.45 0.60 0.09 0.26 1.27 0.60 − 0.18 0.88 0.60
Ch (R) 25% −0.04 1.19 0.94 −0.33 0.54 0.16 −0.62 0.91 0.13
L4 57% 1.16 1.71 0.12 −13.89 3.94 0.39 −3.77 1.67 *0.00
R4 52% 3.32 11.19 0.46 11.60 3.14 0.37 −3.44 1.05 *0.00
Li 66% −0.26 0.82 0.44 11.48 3.11 0.37 −4.35 1.25 *0.03
6 114% −1.17 1.64 0.11 1.08 1.07 *0.04 −7.50 2.14 0.39
7 11% 0.51 1.68 0.45 0.82 2.06 0.44 0.73 0.74 *0.04
8 55% −1.26 2.15 0.17 16.70 45.04 0.37 3.61 1.30 *0.00
9 309% 1.08 1.47 0.10 −0.12 1.36 0.82 20.39 44.57 0.27
B′ 73% − 0.54 0.69 0.08 −0.91 1.33 0.12 4.82 2.13 *0.00
  1. SD standard deviation
  2. Asterisks indicate statistical significance between the values of pre- and post-operative measurement (P < 0.05)