Research Article

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

Table 1

Values for the various cephalometric parameters of the surgical changes in the horizontal and vertical direction.

VariableT12T23T34T14T24
MeanSDMeanSDMeanSDMeanSDMeanSD

Horizontal (mm)
 Me
 H
 TH
 C4
Vertical (mm)
 Me
 H
 TH
 C4

Significant ; —: not significant.
T12: postsurgical immediate change; T23: change between immediately and 6 weeks to 3 months after surgery; T34: change between 6 weeks to 3 months and over 1 year after surgery; T14: over 1-year final surgical change; T24: over 1-year surgical stability.
Me: menton; H: hyoid bone; TH: highest point on the tongue.
C4: fourth cervical vertebra.