TABLE 3.

Definitions of mandible bone landmarks.

Landmarks (left, right)	Definition a	E15.5	E17.5
1, 2	Inferior-most point on incisor alveolar rim at midline of the incisor	x	x
3, 4	Superior-most point on incisor alveolar rim	x	x
5, 6	Anterior-lateral edge of alveolar process where first molar intersects the alveolus (anterior molar alveolus)	x	x
7, 8	Intersection of base of coronoid process and molar alveolar rim (posterior molar alveolus)		x
9, 10	Apex of coronoid process, most posterior point		x
11, 12	Most anterior point along the rim connecting the coronoid and condylar processes		x
13, 14	Most posterior point on the cranial angle of the condyloid process	x	x
15, 16	Midpoint on the supero-inferior axis of the most posterior aspect of the angular process	x	x
17, 18	Anterior-most point of the angular process at its intersection with the body of the mandible on the inferior aspect	x	x
19, 20	Most medial (lingual) edge of the posterior-most aspect of the molar alveolar process	x	x

^aDefinitions refer to positions with mandible in standard anatomical position (jaws in occlusion).