Table 1 Definitions of the anatomical landmarks of the mandible necessary for determining the morphological parameters
Bony landmark | Definition | |
|---|---|---|
Cd | Condyle | The most protruding point on the top of the mandibular condyle |
CdP | Condyle posterior point | The most posterior protruding point of the mandibular condyle |
GOP | Gonion posterior point | The most posterior protruding point of the ramus above the gonion |
GO | Gonion | The midpoint of the contour connecting the ramus and body of the mandible |
GOA | Gonion anterior point | The most protruding point of the mandible before the gonion |
Me | Menton | The center of the inferior border on the mandibular symphysis |
Pog | Pogonion | The most anterior point on the contour of the chin |
Gn | Gnathion | The center of the inferior border on the mandibular symphysis |
B | B point | The innermost point on the contour of the mandible between the incisor and the bony chin |
Li | Lower central incisor edge | The incisal edge of the mandibular central incisor |
CP | Coronid process | The top point of the coronid process |
Morphological parameters | Definition |
|---|---|
Cd-Gn, Cd-B, Cd-Li | Parameters related to the changes of the total mandibular length |
GO-Pog, GO-Gn, Me-GOA | Parameters related to the changes of the mandibular corpus length |
Cd-GO, CdP-GOP, Cd-CP | Parameters related to the changes of the mandibular ramus length |
Li-Me | The anterior length of the mandible |
Cd-GO-Gn | Gonion angle |
GO-Gn-Li | The angle of the lower anterior teeth |