Table 3.
The mean and standard deviation of pre-operative, 6 months and 2 years post-operative cephalometric values in AMD group
| Sl no. | Landmarks | AMD | ||
|---|---|---|---|---|
| Pre Rx (S) | 6 months (S1) | 2 years (S2) | ||
| Nasal parameter | ||||
| 1. | Y-Pn | 88 mm (1.43) | 97.3 mm (1.21) | 95.8 mm (1.05) |
| 2. | X-Pn | 36.02 mm (1.64) | 30.09 mm (1.58) | 31.7 mm (1.49) |
| 3. | NLA | 90° (4.2) | 106° (3.7) | 104° (3.59) |
| Hard tissue parameter | ||||
| 4. | Y-PtA | 59.5 mm (5.76) | 70.3 mm (4.97) | 69.8 mm (4.78) |
| 5. | X-PtA | 45.4 mm (2.59) | 44.6 mm (2.34) | 45 mm (1.99) |
| 6. | U1-Y | 51.5 mm (5.37) | 67.01 mm (4.45) | 65.5 mm (4.35) |
| 7. | U1-X | 65 mm (2.60) | 63.5 mm (2.49) | 64 mm (2.16) |
| 8. | PP-Y | 86.5° (5.53) | 84.3° (3.37) | 84° (3.34) |
| Vertical labial parameter | ||||
| 9. | X-Sn | 51.8 mm (1.94) | 48.02 mm (1.79) | 49 mm (1.65) |
| 10. | X-Ls | 52 mm (3.54) | 49.08 mm (3.13) | 48.7 mm (2.9) |
| Horizontal labial parameter | ||||
| 11. | Y-Sn | 66.01 mm (2.39) | 80.2 mm (1.85) | 79.01 mm (1.6) |
| 12. | Y-Ls | 54 mm (4.46) | 66.5 mm (3.87) | 65.5 mm (3.78) |
| 13. | E-Ls | 18.4 mm (1.15) | 9.8 mm (0.95) | 10.03 mm (0.87) |