From: Retrospective study of changes in pharyngeal airway space and position of hyoid bone after mandibular setback surgery by cephalometric analysis
(PRL to Pog)
T1-T2
T2-T3
T1-T3
Nasopharynx
0.18
0.52
−0.23
Oropharynx
0.37
0.70
Hypopharynx
0.33
0.31
0.32
Soft palate
0.43
0.67
0.35
Tongue
0.45
0.74
0.57
PRL to H
0.08
0.55
FHL to H
−0.67
−0.01
−0.17