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Table 1 Mean and standard deviation of distances (millimeter) between the mandibular landmarks and the axial 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 Axial plane

T1

T2

T3

p

Mean

SD

Mean

SD

Mean

SD

Ipsilateral condylion

0.79a

2.10

0.82a

1.97

0.72a

2.17

0.805

Contralateral condylion

0.75a

2.29

0.76a

2.00

0.87a

2.35

0.615

Ipsilateral gonion

58.34a

6.68

58.61a

6.79

58.47a

6.30

0.610

Contralateral gonion

58.49a

6.82

59.21b

6.68

59.98a,b

6.95

0.025

Menton

86.66a

8.00

88.01b

8.05

86.98a

7.92

<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