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
| 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 |
SD standard deviation
Asterisks indicate statistical significance between the values of pre- and post-operative measurement (P < 0.05)s