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. 2023 Apr 26;28(1):373–383. doi: 10.1007/s10006-023-01153-7

Table 2.

Measurements applied to our 3D models of the mandibles. This table gives an overview of all morphological measurements of the mandible assessed in our study, the abbreviations used and the exact definitions of the measured parameters

Term Abbreviation Location
Sella S Middle of the sella turcica
Nasion N Vertex of the concave of the nasal root as seen in the lateral profile
Gonion B Vertex of the concave mental part of the mandible as seen in the lateral profile in the centre of the alveolar processus
Top ramus Top Ram

Bilateral;

Most cranial point of the condylar processus

Low ramus Low Ram

Bilateral;

Vertex of the jaw angle

Antegonial notch AN

Bilateral;

Most cranial point of the antegonial notch

Anterior tangent point ATP

Bilateral;

Anterior point of a caudal tangent on the alveolar processus

Posterior tangent point PTP

Bilateral;

Posterior point of a caudal tangent on the alveolar processus

SNB angle SNB Angle between S, N, and B
Ramus length

Bilateral;

Distance between Top Ram and Low Ram

Depth of the antegonial notch AND

Bilateral;

Distance between AN and the tangent on ATP and PTP in a right angle

Condylar width CW

Bilateral;

Condylar width latero-medial direction in axial view

Condylar length (antero-posterior direction) CL

Bilateral;

Condylar length (antero-posterior direction) in axial view