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Table 1 Different linear and angular measurements used

From: Cephalometric norms for the Saudi children living in the western region of Saudi Arabia: a research report

NPog-FH Intersection between NPog plane and Frankfort horizontal plane
NPog-FH Intersection between NPog plane and Frankfort plane
SNA Maxillary apical base relationship to anterior cranial base
SNB Mandibular apical base relationship to anterior cranial base
ANB Apical base relationship
NA-APog Angle of convexity
MP-FH Inclination of mandibular plane to FH
MP-SN Inclination of mandibular plane angle to anterior cranial base
OC-PL-SN Inclination of occlusal plane to anterior cranial base
Y-axis Angle made between SN and NGn line
L-FC. Ht Lower face height (Anterior nasal spine-Menton)
U1-SN Inclination of maxillary incisors to anterior cranial base
U1-NAz Inclination of maxillary incisors to NA
U1-NAmm Protrusion of maxillary incisors to NA
U1-L1 Inclination of maxillary incisors to mandibular incisors
L1-MP Inclination of mandibular incisors to mandibular plane
L1-NBz Inclination of mandibular incisors to NB
L1-NBmm Protrusion of maxillary incisors to NB
L1-APogz Inclination of mandibular incisors to APog plane
L1-APogmm Protrusion of mandibular incisors to APog plane