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Table 2 Mean and standard deviation of distances (millimeter) between the mandibular landmarks and the coronal plane observed at the three time-point evaluations. Results for repeated measures ANOVA

From: Effects of surgically assisted rapid maxillary expansion on mandibular position: a three-dimensional study

Mandibular landmarks Coronal plane

T1

T2

T3

p

Mean

SD

Mean

SD

Mean

SD

Ipsilateral condylion

15.93a

1.69

15.98a

1.70

15.76a

1.58

0.392

Contralateral condylion

15.91a

1.40

15.87a

1.44

15.83a

1.48

0.929

Ipsilateral gonion

26.09a

4.69

25.62a

5.18

26.22a

4.92

0.257

Contralateral gonion

25.75a

4.68

25.18a

5.70

25.92a

5.59

0.226

Menton

90.88a

8.77

89.35b

8.79

90.31a

9.13

<0.001

  1. Different superscript letters show statistically significant differences
  2. T1 preoperatively, T2 immediately after expansion, T3 6 months after expansion, SD standard deviation