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Maxillofacial Plastic and Reconstructive Surgery

Table 7 Comparison of the change (from T1 to T2) in the upper lip height, lower lip height, upper lip vermilion length, and lower lip vermilion length

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

Upper lip height

Ls-Stm

0.76

1.42

0.105

Lower lip height

Li-Stm

−1.46

1.36

0.005**

Upper lip vermilion length

Ch(Rt)-CBP Rt-Ls-CBP Lt-Ch(Lt)

3.54

3.59

0.008**

Lower lip vermilion length

Ch(Rt)-LLBP Rt-Li-LLBP Lt-Ch(Lt)

−1.90

2.35

0.023*

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