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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