Table 1 Definition of landmarks
From: Analysis of hard tissue facial symmetry after unilateral mandibular reconstruction
Anterior nasal spine (ANS) | A protrusion of the maxilla at the base of the nose |
Frankfurt line (FH) | Connected the uppermost point on the external acoustic meatus's margin with the lowermost point on the orbital margin. |
Gonion (GO) | The point between the inferior point on the posterior border of ramus and the most posterior point on the inferior border of the mandibular body. |
Gonial angle | The angle between the junction of the posterior border of the ramus and lower borders of the mandibular body |
Pogonion (Pog) | The most forward-projecting point of the symphysis |
Vomer line (VL) | The perpendicular line from the vomer to the horizontal plane (VL) |