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Table 3 The relative ratio of soft tissue movement to bony movement in the anteroposterior direction and three-dimensional changes of perioral soft tissue after Le Fort I advancement & 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
Cph (L) 22% −0.21 0.54 0.19 0.36 1.54 0.42 0.53 1.72 0.07
Cph (R) 31% 0.19 0.54 0.24 0.29 1.09 0.35 0.73 1.52 *0.02
Ls 21% −0.07 0.17 0.16 2.85 8.55 0.25 0.51 1.87 *0.00
Lip (L1) 14% 0.11 1.16 0.73 0.46 1.39 0.26 0.34 1.80 *0.00
Lip (R1) 32% −0.01 0.91 0.98 1.01 2.57 0.19 0.77 1.53 *0.00
Ch (L) 35% 0.63 1.05 0.05 0.94 1.88 0.10 −1.72 3.17 0.29
Ch (R) 47% 1.24 5.77 0.45 0.80 2.88 0.34 −2.35 3.20 0.11
1 40% 0.04 0.25 0.57 −0.11 0.87 0.67 −0.96 1.46 *0.04
2 39% 0.29 0.61 0.11 0.31 0.55 0.07 −0.93 37.24 0.39
3 34% 0.39 0.51 *0.02 −0.09 0.88 0.71 −0.82 1.44 0.62
4 26% 0.18 0.82 0.45 −0.02 0.88 0.95 −0.63 1.61 0.18
5 20% 0.08 0.83 0.74 0.14 0.93 0.59 −0.49 1.87 0.37
Al (L) 31% 1.23 0.80 *0.00 0.02 0.36 0.88 0.74 0.09 *0.01
Al (R) 33% 2.89 5.51 *0.04 0.14 0.47 0.29 0.78 1.06 *0.02
Ac (L) 18% −5.17 13.75 0.20 −1.87 12.03 0.59 0.44 7.85 0.84
Ac (R) 29% 1.66 10.43 0.13 −3.82 15.25 0.38 0.70 5.70 0.67
Sn 115% 0.04 1.72 0.93 −2.05 11.91 0.52 −2.74 4.03 *0.03
Pn 18% −0.04 0.37 0.72 0.02 0.22 0.71 0.43 0.43 *0.00
  1. SD standard deviation
  2. Asterisks indicate statistical significance between the values of pre- and post-operative measurement (P < 0.05)s