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Progress in Orthodontics

Table 2 Results of statistical comparisons between the groups

From: Early diagnosed impacted maxillary canines and the morphology of the maxilla: a three-dimensional study

Measurements (mm)

DMC

Controls

  

Effect size

Mean

SD

Mean

SD

P value

Significance

d value

ES

IMW

47.21

2.48

49.75

2.19

0.00042

**

1.06119

L

AL

36.46

1.92

38.16

2.13

0.00510

**

0.82173

L

PVD

14.73

1.11

14.67

1.49

0.87840

NS

–

–

SAS

29.15

2.08

31.97

2.32

0.00005

**

1.25026

L

AAS

73.82

2.73

77.88

3.23

0.00002

**

1.32721

L

R-Af

36.75

1.78

38.82

1.78

0.00018

**

1.13612

L

L-Un

37.07

1.23

39.06

1.57

0.00001

**

1.37753

L

  1. DMC displaced maxillary canines, IMW intermolar width, AL arch length, PVD depth of the palatal vault, SAS sum of the anterior segments, AAS available arch space, R-Af right/affected, L-Un left/unaffected available space, SD standard deviation, ** statistically significant (P < 0.01), NS not significant, ES effect size, L large
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