Case Report
Maxillary Protrusion with Severe Overjet Treated by Maxillary Anterior Alveolar Osteotomy
Table 1
Lateral cephalometric measurements.
| | Measurement | Normal | Pretreatment | Retention | After retention for 2.0 years |
| | Skeletal pattern | | SNA (°) | 82.3 | 82.6 | 75.9 | 75.7 | | SNB (°) | 78.9 | 73.2 | 70.1 | 70.5 | | ANB (°) | 3.4 | 9.4 | 5.8 | 5.9 | | -axis (°) | 65.4 | 62.8 | 65.3 | 65.7 | | SN.GoGn (°) | 34.9 | 25.1 | 32.7 | 32.9 | | FMA (°) | 28.8 | 18.9 | 20.9 | 20.3 |
| | Dental pattern | | 1.NA (°) | 22.1 | 33.4 | 19.4 | 13.6 | | 1-NA (mm) | 5.4 | 7.1 | 0.5 | 0.1 | | 1.NB (°) | 29.5 | 31.2 | 37.9 | 30.1 | | 1-NB (mm) | 7.4 | 8.3 | 6.5 | 6.7 | | IMPA (°) | 96.3 | 108 | 115 | 107.1 |
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