Surgery-first approach reduces the overall treatment time without damaging long-term stability in the skeletal class III correction: a preliminary study

Maxillofacial Plastic and Reconstructive Surgery

Table 4 Comparison of post-surgical change (T3-T2) on Experimental group and Control group

Parameters	SFA group (n = 8)		CA group (n = 20)		P value
Parameters	Mean	P value	Mean	P value	P value
Horizontal measurements
VRP-A (mm)	−0.19 ± 1.84	1.000	−0.43 ± 3.48	0.867	0.980
VRP-B (mm)	1.96 ± 2.09	0.036^a	1.03 ± 2.64	0.411	0.980
VRP-PNS (mm)	0.25 ± 1.78	1.000	0.14 ± 1.53	0.614	0.901
Vertical measurements
HRP-A (mm)	−0.72 ± 2.03	0.575	−2.78 ± 2.69	0.001^a	0.110
HRP-B (mm)	−2.21 ± 4.75	0.208	0.37 ± 2.89	0.737	0.218
HRP-PNS (mm)	−0.25 ± 1.63	0.735	−0.86 ± 4.47	0.837	0.784
Angular measurements
SNA (°)	0.54 ± 2.96	0.674	0.27 ± 1.02	0.287	0.258
SNB (°)	1.81 ± 2.63	0.069	1.30 ± 1.24	0.002^a	0.746
ANB (°)	−1.27 ± 1.55	0.123	−1.02 ± 1.44	0.005^a	0.438
Occlusal plane angle (°)	0.60 ± 2.14	0.208	−1.48 ± 4.93	0.313	0.328