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Progress in Orthodontics
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Table 4 Measurements of palatal inter-radicular cortical bone thickness at 7 mm from the alveolar crest in the upper arch

From: Three-dimensional mapping of cortical bone thickness in subjects with different vertical facial dimensions

  Mean Std. Deviation P value
CBT at 1/2 High angle .9217 .08612 0.032*
Normal 1.2350 a .23990
Low angle 1.1157 a .54851
CBT at 2/3 High angle .7183 .56201 0.045*
Normal 1.213 a .10838
Low angle 1.1614 a .56304
CBT at 3/4 High angle 1.25 .399 0.435
Normal 1.35 .118
Low angle 1.30 .188
CBT at 4/5 High angle .8633 .49017 0.125
Normal 1.2333 .21379
Low angle 1.2286 .16067
CBT at 5/6 High angle .8750 .48587 0.41
Normal 1.1517 .25733
Low angle 1.1429 .15239
CBT at 6/7 High angle 1.10 .180 0.836
Normal .98 .129
Low angle 1.06 .229
  1. Descriptive statistics, overall significance by Kruskal–Wallis test, and the results of pair-wise comparisons with the Mann–Whitney U test with the Bonferroni adjustment
  2. *Significant at P ≤ 0.05. Different letters are statistically significantly different
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