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Table 4 Asymmetric group mean for greater and lesser expansion (millimeters) at ANS, PNS, and ZMA

From: An assessment of the magnitude, parallelism, and asymmetry of micro-implant-assisted rapid maxillary expansion in non-growing patients

 

Treatment change

Mean

SD

p value

Greater ANS

4.08

1.22

< .0001

Lesser ANS

1.86

0.97

ANS deviation

2.22

0.89

 

Greater PNS

3.81

1.44

< .0001

Lesser PNS

2.04

1.55

PNS deviation

1.77

1.11

 

Greater ▲ZMA

2.83

1.23

< .05

Lesser ▲ZMA

1.53

0.85

ZMA deviation

1.3

1.18