Table 1: Anatomical landmarks (points) defined on the human mandible as RGEs.

Anatomical landmarkDefinition

Mental foramen (BO)Is one of two holes (“foramina”) located on the anterior surface of the mandible?
Gnathion (Gn)It is the most inferior midline point on the mandible.
Gonion (Go)It is a point along the rounded posteroinferior corner of the mandible between the ramus and the body.
Condylion (Kon)It is the most prominent point on the mandibular condyle.
Mandibular cut (MU)It is the central point on the mandibular notch.