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Table 5 Linear changes in soft tissue measurements after mandibular setback surgery

From: Three-dimensional soft tissue changes according to skeletal changes after mandibular setback surgery by using cone-beam computed tomography and a structured light scanner

VariablesBefore surgeryAfter surgeryp valueΔT2–T1
Nasal width (Al dev–Al ctl)39.653.0439.603.01.875− 0.050.53
Lip width (Ch dev–Ch ctl)47.723.3745.754.02.045*− 1.971.74
Lower facial height (Sn–Me’)68.235.4566.064.88.008**− 2.171.15
Upper lip height (Sn–Stms)19.792.8718.812.30.078− 0.981.63
Lower lip height (Stmi–Pog’)30.402.8329.522.81.153− 0.881.91
Upper vermilion height (Ls–Stms)5.581.405.571.39.119− 0.011.10
Lower vermilion height (Li–stmi)9.491.709.161.48.279− 0.331.18
  1. Paired t test was performed
  2. *p < 0.05; **p < 0.01