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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