Skip to main content

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

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

Parameters SFA group (n = 8) CA group (n = 20) P value
Mean P value Mean 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 0.036a 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 0.001a 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 0.002a 0.746
 ANB (°) −1.27 ± 1.55 0.123 −1.02 ± 1.44 0.005a 0.438
 Occlusal plane angle (°) 0.60 ± 2.14 0.208 −1.48 ± 4.93 0.313 0.328
  1. P = 0.05
  2. Wilcoxon rank sum test
  3. Mann-Whitney U test
  4. aSignificant difference