|
| Frequency | Percent | |
| (silver) | ±3 (normal) | 71 | 49/3 |
| abnormal | 73 | 50/7 | |
| Gonzalez-ulloa | ±2 (normal) | 20 | 13/9 |
| abnormal | 124 | 86/1 | |
| Nasomental | normal | 135 | 93/8 |
| abnormal | 9 | 6/3 | |
| Ricketts’ E line/upper | normal | 81 | 56/3 |
| abnormal | 63 | 43/8 | |
| Ricketts’ E line/lower | normal | 95 | 66/0 |
| abnormal | 49 | 34/0 | |