Table 1.
Cephalometric summary
| Variable | Japanese norma | SD | Pretreatment | Posttreatment | Postretention |
|---|---|---|---|---|---|
| 37 y 6 mo | 38 y 9 mo | 46 y 6 mo | |||
| Angles (°) | |||||
| ANB | 3.8 | 2.4 | 4.9 | 3.6 | 3.7 |
| SNA | 81.5 | 3.3 | 76.5 | 76.5 | 76.5 |
| SNB | 78.2 | 4.0 | 71.6 | 72.9 | 72.8 |
| Mandibular plane-FH plane | 28.0 | 6.1 | 40.3 | 37.3 | 37.4 |
| Gonial angle | 120.9 | 6.5 | 135.1 | 135.1 | 135.1 |
| U1-SN plane | 106.0 | 7.5 | 105.3 | 108.4 | 108.4 |
| U1-FH plane | 112.4 | 7.6 | 110.0 | 113.4 | 113.4 |
| L1-FH plane | 56.7 | 7.8 | 53.8 | 57.0 | 57.0 |
| L1-Mandibular plane | 95.2 | 6.2 | 85.9 | 85.2 | 85.2 |
| Interincisal angle | 124.2 | 8.6 | 123.8 | 123.7 | 123.7 |
| Occlusal plane | 15.5 | 4.2 | 18.1 | 19.3 | 19.3 |
| Lines (mm) | |||||
| PTM-ANS/palatal plane | 56.4 | 3.4 | 59.6 | 59.6 | 59.6 |
| PTM-A/palatal plane | 51.7 | 3.8 | 53.7 | 51.7 | 51.7 |
| Ar-Go | 53.2 | 5.7 | 53.4 | 53.4 | 53.4 |
| Ar-Me | 115.6 | 6.8 | 120.3 | 120.3 | 120.3 |
| Go-Me | 76.6 | 4.4 | 75.4 | 75.4 | 75.4 |
| Overjet | 3.3 | 1.0 | 1.0 | 2.0 | 2.0 |
| Overbite | 3.3 | 1.7 | −10.0 | 2.0 | 2.0 |
aWada et al. [7])