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Table 1 Descriptive data and statistical analysis of the differences between T0 and T1

From: Impact of molar teeth distalization with clear aligners on occlusal vertical dimension: a retrospective study

  T0 T1 Student T Test
MEAN SD MEAN SD Sig.
SNA (°) 82.4 4.7 83.0 4.9 0.559
SNB (°) 79.0 4.9 78.7 4.9 0.403
ANB (°) 3.4 3.3 4.3 3.2 0.195
SN^GoGn (°) 35.6 6.9 35.4 8.4 0.445
SN^fOP (°) 18.9 4.1 20.6 6.3 0.122
SN^PP (°) 7.3 6.1 6.3 5.7 0.309
6-PP (mm) 25.0 3.0 23.0 3.0 0.000****
6^PP (°) 81.2 3.5 79.9 4.4 0.220
7-PP (mm) 16.0 3.0 13.0 3.0 0.000****
7^PP (°) 81.7 5.6 82.3 4.3 0.352
1^PP (°) 118.3 6.6 104.8 10.9 0.006***
MR (mm) 3.1 1.4 1.2 0.6 0.000****
S-Go (mm) 68.0 6.1 68.0 6.8 0.476
N-Me (mm) 109.0 6.0 108.9 6.2 0.438
S-Go/N-Me 0.62 0.05 0.63 0.06 0.421
  1. * = P < 0.05; ** = P < 0.01; *** = P < 0.001; **** = P < 0.0001