Maxillofacial Plastic and Reconstructive Surgery

Table 6 Change of lip prominence angle

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

Lip area		Δ(T2 − T1)
Lip area		Mean	SD	p value
Upper lip-related	ΔLs(z) (mm)	−0.18	2.00	0.765
Upper lip-related	Ch(Rt)-Ls-Ch(Lt) (°)	−5.73	4.66	0.002**
Stomion-related	ΔStm(z)(mm)	−1.79	2.48	0.003**
Stomion-related	Ch(Rt)-Stm-Ch(Lt) (°)	−2.18	5.83	0.242
Lower lip-related	Δ(Li)(z)(mm)	−4.32	2.49	0.000**
Lower lip-related	Ch(Rt)-Li-Ch(Lt) (°)	8.82	4.12	0.000**

**Statistically significant difference between the groups (P <0.01)

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