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Table 9 Comparison of the change (from T1 to T2) in the lip area

From: Changes of lip morphology following mandibular setback surgery using 3D cone-beam computed tomography images

Lip area (cm2) Δ(T2 − T1)
Mean SD p value
Upper lip Lateral view 6.28 10.59 0.078*
Frontal view 8.21 45.18 0.560
Lower lip Lateral view −15.57 10.33 0.001**
Frontal view −12.69 41.46 0.334
  1. *Statistically significant difference between the groups (P <0.05)
  2. **Statistically significant difference between the groups (P <0.01)