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Table 3 Mean and standard deviation of distances (millimeter) between the mandibular landmarks and the sagittal 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 sagittal plane T1 T2 T3 p
Mean SD Mean SD Mean SD
Ipsilateral condylion 48.63a 3.22 49.13b 2.87 48.85a,b 2.87 0.024
Contralateral condylion 48.73a 3.07 47.93b 3.18 48.26a,b 46.05 0.001
Ipsilateral gonion 46.05a 3.05 46.67b 3.11 46.40a,b 3.05 0.018
Contralateral gonion 45.70a 3.81 45.17b 3.68 45.59a,b 3.58 0.029
Menton 2.23a 1.92 1.91a 1.49 2.04a 1.52 0.297
  1. Different superscript letters show statistically significant differences
  2. T1 preoperatively, T2 immediately after expansion, T3 6 months after expansion, SD standard deviation