Pretreatment Posttreatment Difference Wilcoxon
Mean SD Mean SD Mean SD P
1 SNA (º) 81.58 2.44 81.5 2.93 -0.08 1.68  
2 SNB (º) 76.08 3.04 76.63 3.1 0.54 1.14  
3 ANB (º) 5.50 1.91 4.88 2.66 -0.63 1.09  
4 SN/PP (º) 9.63 3.22 9 2.35 -0.63 1.26  
5 SN/MP (º) 31.04 3.43 30.08 3.69 -0.96 1.68 *
6 SE (mm) 20.53 2.77 20.16 2.66 -0.37 0.91  
7 SL (mm) 45.44 6.68 46.65 7.06 1.21 2.36  
8 Pg-NB (mm) 3.05 2.15 3.12 2.04 0.06 0.35  
9 Ar-Pg (mm) 97.49 5.9 98.23 5.64 0.74 1 *
10 A-RL2 (mm) 64.73 3.73 65.13 4.28 0.4 1.48  
11 B-RL2 (mm) 55.83 5.24 56.7 5.46 0.87 1.74  
12 A-RL1 (mm) 47.03 2.94 46.37 2.92 -0.66 1.1  
13 ANS-Me/N-Me (%) 0.539 0.022 0.543 0.016 0 0.01  
14 Jarabak Ratio (%) 0.65 0.04 0.66 0.03 0.01 0.01 *
15 GonialRatio(%) 0.72 0.04 0.72 0.05 0 0.02  
16 S-Ar/Ar-Go (%) 0.81 0.08 0.78 0.08 -0.03 0.03 *
17 U1/SN (º) 100.04 8.31 101.12 7.57 1.08 3.52  
18 IMPA (º) 98.96 6.63 99 5.79 0.04 2.38  
19 L1/RL2 (º) 32.71 7.58 31.96 6.87 -0.75 2.4  
20 Interincisal Angle (º) 130.5 9.56 130.12 8.93 -0.38 2.92  
21 SN/OP (º) 16.33 6.07 15.33 5.3 -1 2.56  
22 L1/NB (mm) 4.08 1.86 4.05 1.84 -0.03 0.66  
23 U6-RL1 (mm) 62.72 2.48 62.76 2.62 0.04 0.97  
24 U1-RL1 (mm) 68.23 2.36 68.56 2.95 0.33 1.34  
25 Overjet (mm) 2.9 1.65 2.83 1.62 -0.07 0.88  
26 Overbite (mm) 4.83 1.31 4.76 1.28 -0.06 0.41  
27 H Angle (º) 10.75 4.05 10.29 3.91 -0.46 2.78  
28 Nasolabial Angle (º) 125.88 12.06 125.21 11.88 -0.67 4.05  
29 N-A-Pg (º) 172.17 6.71 173.25 7.39 1.08 2.07  
30 A-labialis superior (mm) 20.08 2.08 20.85 1.97 0.77 1.31  
31 E line-labialis superior (mm) -4.23 1.14 -4.3 1.24 -0.07 0.91  
32 E line-labialis inferior (mm) -3.2 1.3 -3.35 1.49 -0.15 0.51  
33 Labialis superior-RL2 (mm) 79.04 5.32 80.15 5.76 1.11 1.65  
34 Labialis inferior-RL2 (mm) 74.94 5.08 76.18 5.02 1.24 1.52 *
35 Lip strength (mm) 1.01 3.33 0.67 3.41 -0.34 1.54  
* P< 0.05.
Table 3: Changes and Comparisons of Pre- and Post-Six Month Interval Values within the Control Group