From: Surgical treatment of adolescent internal condylar resorption (AICR) with articular disc repositioning and orthognathic surgery in the growing patient—a pilot study
Landmark
Abbreviation
Definition
Sella
S
Center of sella turcica
Nasion
N
Anterior point on the frontonasal suture
Condylion
Co
Point tangential to the most superior aspect of the condyle using a perpendicular to the ramal plane