Table 1. Cephalometrics angular and linear measurements.

Variable	Measuring unit	Description
(a) ANB	degree	Angle formed by a line joining NA and NB
(b) ANS-PNS	mm	Anteroposterior length of the nasal floor
(c) A-Ptm (Mx)	mm	Anteroposterior length of the maxillary basal bone
(d) ABR-B (Mn)	mm	anteroposterior length of the mandibular basal bone (ABR: cross point between occlusal plane and anterior edge of the ramus)
(e) Go-Pog	mm	anteroposterior length of the corpus
(f) SN-MP	degree	Angle formed by SN plane and mandibular plane.