Table 1.
Means and Standard Deviations for the Cephalometric Measurements
|
|
Single-Step Advancement Group |
Stepwise Advancement Group |
||
| T1 (Mean ± SD) |
T2 (Mean ± SD) |
T1 (Mean ± SD) |
T2 (Mean ± SD) |
|
| Skeletal measurements | ||||
| SNA (°) | 81.33 ± 1.29 | 81.56 ± 0.83 | 80.81 ± 1.36 | 81.15 ± 1.11 |
| SNB (°) | 75.78 ± 1.67 | 77.82 ± 1.01 | 75.40 ± 1.31 | 78.10 ± 0.81 |
| ANB (°) | 5.55 ± 0.90 | 3.74 ± 0.70 | 5.41 ± 0.98 | 3.05 ± 0.79 |
| ANS horizontal (mm) | 2.36 ± 0.73 | 2.76 ± 0.88 | 2.35 ± 0.65 | 2.69 ± 0.80 |
| Pg horizontal (mm) | −4.73 ± 1.49 | −2.53 ± 1.11 | −3.00 ± 1.34 | −1.06 ± 1.22 |
| Co-Gn (mm) | 98.76 ± 3.98 | 103.62 ± 3.89 | 99.18 ± 4.66 | 105.09 ± 4.53 |
| Co-Go (mm) | 53.92 ± 3.02 | 57.59 ± 2.60 | 55.17 ± 3.00 | 58.88 ± 2.91 |
| SN-GoGn (°) | 33.56 ± 2.85 | 33.99 ± 2.05 | 31.40 ± 3.76 | 31.61 ± 3.06 |
| Ar-Go-Me (°) | 124.20 ± 3.43 | 124.87 ± 3.21 | 125.11 ± 4.55 | 125.81 ± 4.66 |
| Dental measurements | ||||
| U1-SN (°) | 105.96 ± 4.02 | 103.95 ± 3.76 | 107.84 ± 3.34 | 105.54 ± 3.25 |
| IMPA (°) | 95.91 ± 4.12 | 101.74 ± 3.51 | 94.70 ± 3.14 | 98.60 ± 3.04 |
| U6 vertical (mm) | 37.06 ± 2.62 | 36.95 ± 2.05 | 35.82 ± 3.05 | 35.63 ± 3.15 |
| U6 horizontal (mm) | 29.29 ± 2.70 | 28.45 ± 1.65 | 27.88 ± 1.89 | 28.25 ± 1.72 |
| L6 vertical (mm) | 40.25 ± 2.17 | 40.34 ± 2.13 | 33.53 ± 2.68 | 33.73 ± 2.38 |
| L6 horizontal (mm) | 25.55 ± 2.70 | 27.80 ± 1.91 | 23.58 ± 2.81 | 26.02 ± 2.73 |
| Overjet (mm) | 8.39 ± 1.08 | 2.11 ± 0.75 | 8.86 ± 1.33 | 2.34 ± 0.70 |
| Overbite (mm) | 6.16 ± 0.81 | 2.70 ± 0.57 | 6.19 ± 0.82 | 3.03 ± 0.43 |