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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)