Gender differences must always be respected. Here is a summary of the phenotypical differences of the lower face:
| Men | Women |
| Chin | Larger and more protuding with well-developed lateral tubercles Width of chin is approximately the same as width of mouth | Smaller, narrower and more pointed with less prominent lateral tubercles Width of chin is approximately the same as width of nose |
| Jawline | Wide and well-defined (square appearance) with large masseter muscleProminent angulation of the mandibular ramisLower gonial angle (90 degrees) | Narrower and less prominent (V shape)Less prominent angulation of the mandibular ramis Higher gonial angle |
