| |
Initial
|
Change after treatment
|
Final
|
|---|
| |
RME group
|
MME group
| |
RME group
|
MME group
|
RME group
|
MME group
| |
|---|
|
T0
|
T0
| |
T1–T0
|
T1–T0
|
T1
|
T1
| |
|---|
|
Cast measure (mm)
|
Mean
|
SD
|
Mean
|
SD
|
p value
|
Mean
|
p value
|
Mean
|
p value
|
Mean
|
SD
|
Mean
|
SD
|
p value
|
|---|
|
Maxillary arch width
| | | |
|
Intermolar
|
43.2
|
1.576
|
41.62
|
3.72
|
ns
|
8.8
|
***
|
8.7
|
***
|
52
|
2.40
|
50.31
|
5.30
|
ns
|
|
Inter second premolar
|
38.39
|
1.784
|
36.93
|
2.78
|
ns
|
7.28
|
***
|
6.9
|
***
|
45.67
|
2.15
|
43.83
|
4.52
|
ns
|
|
Inter first premolar
|
33.9
|
1.698
|
32.66
|
2.23
|
ns
|
6.82
|
***
|
7.33
|
***
|
40.72
|
2.47
|
40
|
4.40
|
ns
|
|
Intercanine
|
29.32
|
2.135
|
28.62
|
2.26
|
ns
|
4.3
|
***
|
3.70
|
***
|
33.62
|
1.55
|
32.33
|
2.12
|
*
|
|
Mandibular arch width
| | | |
|
Intermolar
|
41.37
|
2.139
|
41.2
|
2.57
|
ns
|
1.5
|
*
|
2.09
|
**
|
42.87
|
2.35
|
43.29
|
2.62
|
ns
|
|
Inter second premolar
|
36.02
|
1.874
|
35.27
|
2.61
|
ns
|
1.17
|
*
|
2.36
|
**
|
37.2
|
1.69
|
37.63
|
2.79
|
ns
|
|
Inter first premolar
|
30.55
|
2.356
|
29.88
|
1.85
|
ns
|
0.8
|
ns
|
1.91
|
**
|
31.35
|
1.38
|
31.79
|
2.44
|
ns
|
|
Intercanine
|
24.9
|
1.382
|
24.45
|
1.50
|
ns
|
0.85
|
ns
|
1.13
|
*
|
25.75
|
1.58
|
25.59
|
1.68
|
ns
|
|
Maxillary arch depth
|
28.61
|
1.909
|
27.5
|
1.98
|
ns
|
−0.59
|
ns
|
−0.16
|
ns
|
28.02
|
2.80
|
27.34
|
2.18
|
ns
|
|
Mandibular arch depth
|
25.17
|
1.599
|
23.59
|
1.86
|
ns
|
0.3
|
ns
|
−0.59
|
ns
|
25.47
|
1.59
|
23
|
2.37
|
***
|
-
ns not significant
- *p < 0.05; **p < 0.01; ***p < 0.001;
