Table 4.
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 setback & 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) | 25% | − 0.32 | 0.56 | 0.13 | 0.39 | 1.26 | 0.38 | −0.52 | 0.92 | 0.13 |
| Cph (R) | 19% | 0.33 | 0.44 | 0.06 | 7.23 | 20.66 | 0.32 | −0.41 | 0.93 | 0.23 |
| Ls | 14% | 0.09 | 0.41 | 0.52 | 0.27 | 1.29 | 0.55 | −0.29 | 0.95 | 0.39 |
| Lip (L1) | 3% | −0.06 | 0.38 | 0.65 | 0.26 | 0.85 | 0.38 | −0.06 | 0.88 | 0.84 |
| Lip (R1) | 16% | −0.54 | 1.74 | 0.38 | 0.21 | 0.64 | 0.36 | −0.33 | 0.62 | 0.15 |
| Ch (L) | 22% | 0.02 | 0.62 | 0.94 | 0.48 | 1.45 | 0.35 | 0.96 | 2.72 | 0.32 |
| Ch (R) | 40% | −0.52 | 1.02 | 0.17 | −7.08 | 21.63 | 0.36 | 1.69 | 3.13 | 0.14 |
| 1 | 52% | 0.02 | 0.10 | 0.51 | −0.45 | 0.39 | *0.01 | −1.10 | 0.65 | *0.00 |
| 2 | 40% | 0.37 | 0.37 | *0.02 | −6.79 | 18.91 | 0.31 | −0.83 | 0.65 | *0.01 |
| 3 | 43% | −0.49 | 0.38 | *0.01 | −0.51 | 0.58 | *0.03 | −0.90 | 0.72 | *0.01 |
| 4 | 38% | 0.43 | 0.58 | 0.06 | −0.19 | 0.41 | 0.19 | −0.80 | 1.01 | *0.04 |
| 5 | 31% | −0.28 | 0.40 | 0.07 | −0.12 | 0.15 | *0.04 | −0.64 | 0.73 | *0.03 |
| Al (L) | 63% | −1.26 | 1.29 | *0.01 | −1.92 | 5.47 | 0.32 | −1.32 | 0.93 | *0.00 |
| Al (R) | 77% | −3.42 | 13.50 | 0.47 | −0.06 | 0.11 | 0.15 | −1.62 | 2.22 | 0.06 |
| Ac (L) | 74% | −1.26 | 1.29 | *0.01 | −1.92 | 5.47 | 0.32 | −1.32 | 0.93 | *0.00 |
| Ac (R) | 84% | −3.42 | 13.50 | 0.47 | −0.06 | 0.11 | 0.15 | −1.62 | 2.22 | 0.06 |
| Sn | 29% | −0.09 | 0.12 | 0.06 | −2.72 | 9.20 | 0.40 | −0.62 | 1.31 | 0.20 |
| Pn | 15% | −0.03 | 0.05 | 0.13 | 0.01 | 0.04 | 0.69 | −0.32 | 0.41 | *0.04 |
SD standard deviation
Asterisks indicate statistical significance between the values of pre- and post-operative measurement (P < 0.05)