Table 4.
Comparisons of the soft tissue parameters between actual values and predicted values in non-extraction.
| Soft Tissue Parameters | Actual Values (Mean ± SD) |
Predicted Values (Mean ± SD) |
Differences (Mean ± SD) |
p Value |
|---|---|---|---|---|
| Facial parameters | ||||
| Facial contour angle (°) | −7.87 ± 0.88 | −7.42 ± 0.85 | −0.45 ± 0.31 | 0.153 |
| UFH (mm) | 44.39 ± 0.71 | 44.67 ± 0.67 | −0.28 ± 0.50 | 0.582 |
| LFH (mm) | 66.99 ± 0.82 | 66.30 ± 0.83 | 0.69 ± 0.40 | 0.098 |
| Chin thickness | 11.79 ± 0.29 | 11.90 ± 0.35 | −0.12 ± 0.16 | 0.486 |
| Upper lip parameters | ||||
| Nasolabial angle (°) | 96.47 ± 1.88 | 98.29 ± 1.96 | −1.82 ± 1.14 | 0.125 |
| Subnasale to the H-line (mm) | 9.03 ± 0.36 | 8.66 ± 0.32 | 0.37 ± 0.29 | 0.225 |
| Upper lip sulcus depth (mm) | 5.32 ± 0.21 | 5.13 ± 0.23 | 0.19 ± 0.17 | 0.267 |
| H-angle (°) | 18.11 ± 0.66 | 18.23 ± 0.62 | −0.12 ± 0.49 | 0.809 |
| Upper lip to the E-plane (mm) | 0.21 ± 0.04 | 0.26 ± 0.05 | −0.05 ± 0.04 | 0.191 |
| U-Lip thickness at the A-point (mm) | 13.60 ± 0.47 | 14.26 ± 0.48 | −0.66 ± 0.39 | 0.110 |
| U-Lip thickness at the vermillion border (mm) | 12.90 ± 0.42 | 13.00 ± 0.33 | −0.09 ± 0.35 | 0.785 |
| Upper lip length (mm) | 22.10 ± 0.37 | 21.82 ± 0.43 | 0.28 ± 0.23 | 0.237 |
| Lower lip parameters | ||||
| Lower lip sulcus depth (mm) | 3.82 ± 0.14 | 4.25 ± 0.12 | −0.43 ± 0.18 | 0.025 * |
| Lower lip length (mm) | 45.05 ± 0.70 | 44.21 ± 0.68 | 0.84 ± 0.58 | 0.165 |
| Lower lip to the E-plane (mm) | 1.52 ± 0.16 | 1.96 ± 0.20 | −0.44 ± 0.12 | 0.001 ** |
| Lower lip to the H-line (mm) | 1.31 ± 0.14 | 1.62 ± 0.17 | −0.31 ± 0.09 | 0.003 ** |
UFH, upper facial height; LFH, lower facial height. * p < 0.05, ** p < 0.01.