Research Article

Correlation between the Pharyngeal Airway Space and Head Posture after Surgery for Mandibular Prognathism

Table 4

Relationship in the final postoperative changes (T14) between pharyngeal airway and various cephalometric parameters.

VariableNSPUOPLOPLGP
CCCCCCCC

Landmarks
 Horizontal
  Me
  H
  TH
  C4
 Vertical
  Me
  H
  TH
  C4
Linear (mm)
 NSP
 UOP
 LOP
 LGP
 H-E
 Tongue depth
 Tongue length
Degrees
 C4-S-N

CC: correlation coefficients.
Significant ; .
NSP: nasopharyngeal airway.
UOP: upper oropharyngeal airway.
LOP: lower oropharyngeal airway.
LGP: laryngopharyngeal airway.
Me: menton; H: hyoid bone.
TH: highest point on the tongue.
C4: fourth cervical vertebra.
H-E: distance between hyoid bone and epiglottis.
C4-S-N: craniocervical angle.