Figure 2
From: Morphological and quantitative study of the inferior alveolar nerve canal in hemifacial microsomia

Reference points and distances in the quantitative study 1, the shortest distance between the gonion and the inferior border of the IANC (Sd). 2, mandibular foramen-gonion (MaF-Go). 3, mandibular foramen-sigmoid notch (MaF-SN). 4, mandibular foramen-mental foramen (MaF-MeF). 5, mental foramen-gonion (MeF-Go). 6, mental foramen-sigmoid notch (MeF-SN). 7, mental foramen-symphysis (MeF-Sym).