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Table 5 Symmetric 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

1.98

0.86

> .05

Lesser ANS

1.97

0.58

ANS deviation

0.46

0.29

 

Greater PNS

1.93

1.14

> .05

Lesser PNS

1.73

1.15

PNS deviation

0.58

0.47

 

Greater ZMA

2.09

0.96

> .05

Lesser ZMA

1.42

0.88

ZMA deviation

1.08

0.67