[Retracted] Comparison of Movement of the Upper Dentition According to Anchorage Method: Orthodontic Mini-Implant versus Conventional Anchorage Reinforcement in Class I Malocclusion
Table 2
Comparison of the skeletal and dental variables before (T0) and after orthodontic treatment (T1) and the amount of change (T1-T0) between Groups 1 and 2.
T0
T1
T1-T0
Group 1
Group 2
Sig.
Group 1
Group 2
Sig.
Group 1
Group 2
Sig.
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Skeletal variables
Antero-posterior
SNA (°)
83.52
2.31
82.71
3.50
0.3884
83.74
3.57
81.76
3.43
0.0814
−0.21
2.31
0.95
1.04
0.0471
SNB (°)
81.10
1.83
79.91
3.48
0.1827
80.74
3.27
78.92
3.30
0.0875
0.36
2.49
0.99
1.13
0.3116
ANB (°)
2.42
1.11
2.80
0.70
0.2070
3.00
1.31
2.84
1.14
0.6804
−0.58
0.73
−0.04
1.09
0.0747
Vertical
FMA (°)
26.08
3.55
29.75
6.78
0.0387
26.57
3.78
28.78
6.26
0.1846
−0.48
0.96
0.97
1.93
0.0046
Bjork sum (°)
393.48
3.41
398.96
7.12
0.0036
394.00
3.76
397.69
6.72
0.0390
−0.53
0.97
1.27
2.22
0.0020
Dental variables
UOC-PP
7.63
2.11
6.91
4.70
0.5386
11.25
2.20
9.40
6.11
0.2115
−3.62
2.12
−2.49
3.99
0.2702
U1-FH
124.52
5.53
121.65
4.65
0.0827
107.52
4.65
102.20
5.44
0.0020
17.00
4.72
19.45
7.17
0.2106
Mann-Whitney test was performed. UOC means upper occlusal plane; U1: upper central incisor; SD: standard deviation; Sig.: significance; ; .
