| Upper lip height (mm) | Lower lip height (mm) | Mouth width (mm) | |
| Mean | 11.7 | 17.7 | 66.6 |
| standard deviation | 1.1 | 1.6 | 3.3 |
| Minimum value | 10.1 | 15.4 | 59.3 |
| Maximum value | 14.3 | 21.2 | 75.3 |