2D	Two-dimensional
NHP	Natural Head Position
3D	Three-dimensional
SD	Standard Deviations
CBCT	Cone Beam Computed Tomography
SPSS	Statistical Package for Social Sciences
CCC	Concordance Correlation Coefficients
Sn Prn	Subnasale-pronasale
DICOM	Digital Imaging and Communications in Medicine
TH-MA	Mandibular plane angle
Gn	Gnathion
Trg N’. Sn	Angular maxillary soft tissue position