Skip to main content

Table 3 Mean and standard deviation (SD) of intergroup RME-E and RME-6 analysis at T1

From: 3D occlusal changes of upper first molars after rapid maxillary expansion on permanent versus deciduous teeth: a retrospective multicenter CBCT study

Measurements

RME-E T1

RME-6 T1

p-value

Mean

SD

Mean

SD

MD-angulation (°)

Crossbite

7.67

4.11

6.22

3.39

0.334

Non-crossbite

7.47

4.03

5.42

4.09

0.067

BL-inclination (°)

Crossbite

13.23

5.32

6.16

4.98

0.001*

Non-crossbite

17.36

5.42

10.59

5.68

0.002*

Rot (°)

Crossbite

53.77

7.61

54.03

8.70

0.841

Non-crossbite

54.15

8.83

54.70

7.86

0.665

Intermolar (mm)

43.51

2.94

41.93

3.06

0.301

Interforaminal (mm)

26.38

2.77

27.50

1.52

0.089

  1. *p < 0.05