Period | Position of hyoid bone at rest | The position of the hyoid bone at highest elevation | ||
| AC | Angle BAC (˚) | AC’ | Angle BAC’ (˚) |
Preoperative Postoperative, 1 month Postoperative, 1 year | 28.4 29.3 28.4 | 69.2 77.0 77.5 | 39.4 34.9 36.2 | 59.2 71.5 70.4 |