Table 2—

Effects of anterior titration of mandibular position on cephalometric variables

Good responders#Poor responders
Before insertionAfter titrationBefore insertionAfter titration
r mm68.6±28.280.7±33.3*62.8±14.070.8±14.8
S0 mm19.3±4.520.9±4.9*23.4±3.923.4±3.5
S1 mm11.2±3.412.9±4.1**9.3±4.512.0±2.7
S2 mm7.2±3.28.4±2.8**6.0±3.57.7±2.1
S3 mm5.4±2.36.1±3.46.8±3.47.9±5.8
S4 mm6.3±1.87.0±3.57.1±2.88.8±2.8
  • Values are presented as mean±sd unless otherwise stated

  • r: radius of curvature of anterior velopharyngeal wall

  • S0–S4: anteroposterior distance of velopharynx at each slice level

  • #: n=14

  • : n=6

  • *: p<0.05 versus before insertion

  • **: p<0.01 versus before insertion