Table 1.
Cephalometric measurements
| Measurement | Initial value | Post-protraction value | Final value | Retention value |
|---|---|---|---|---|
| Skeletal | ||||
| SNA (°) | 79.87 | 84.58 | 83.41 | 83.2 |
| SNB (°) | 80.77 | 81.43 | 81.49 | 81.87 |
| ANB (°) | –0.9 | 3.15 | 1.92 | 1.33 |
| Wits (mm) | –5.98 | –1.26 | 0.65 | 0.31 |
| SN/GoGn (°) | 30.85 | 31.03 | 31.1 | 31.05 |
| FMA (°) | 25.44 | 25.67 | 25.79 | 25.72 |
| Dental | ||||
| U1-SN (°) | 102.85 | 104.03 | 102.28 | 101.79 |
| IMPA (°) | 83.37 | 81.31 | 86.21 | 81.06 |
| Overjet (mm) | –0.83 | 4.29 | 2.27 | 2.08 |
| Overbite (mm) | 0.26 | 1.71 | 1.35 | 1.16 |
| Soft tissue | ||||
| Nasolabial angle (°) | 105.21 | 99.46 | 100.74 | 101.9 |
| U1-E (mm) | –4.93 | –2.06 | –1.85 | –1.97 |
| L1-E (mm) | –2.76 | –3.45 | –3.06 | –3.22 |
SNA, sella-nasion-A point; SNB, sella-nasion-B point; ANB, A point-nasion-B point; SN, sella-nasion; GoGn, gonion-gnathion; FMA, gonion-menton to Frankfort horizontal plane; U1-SN, upper incisor to sella-nasion; IMPA, lower incisor to gonion-menton; U1-E, upper lip to E line; L1-E, lower lip to E line.