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Maxillofacial Plastic and Reconstructive Surgery

Table 8 Comparison of the change (from T1 to T2) in lip landmark and linear angles on lateral view

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

Variables (mm)

 

Δ(T2 − T1)

Mean

SD

p value

 

UP(y) (mm)

−1.24

1.84

0.049*

 

Stm(y) (mm)

0.63

1.17

0.103

 

Stm(z) (mm)

−1.79

2.48

0.003**

 

LP(y (mm))

−2.1

1.54

0.001**

 

LP(z) (mm)

−2.7

3.44

0.025*

 

Li(z) (mm)

−4.32

2.49

0.000**

1

Sn-Ls-UP (°)

−3.16

11.21

0.371

2

Ls-UP-Stm (°)

−9.36

10.75

0.016*

3

Stm-LP-Li (°)

6.43

10.29

0.065*

4

LP-Li-Ln (°)

5.19

12.59

0.201

  1. *Statistically significant difference between the groups (P <0.05)
  2. **Statistically significant difference between the groups (P <0.01)
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