Skip to main content

Table 2 Means and SD of buccal (BBPT) and palatal (PBPT) bone plate thicknesses at levels 3 mm (3) and 6 mm (6) above CEJ

From: Three-dimensional evaluation of the effects of injectable platelet rich fibrin (i-PRF) on alveolar bone and root length during orthodontic treatment: a randomized split mouth trial

Variables N T0 T1 T0–T1 z value P value
Experimental side
BBPT (3) 21 0.93 ± 0.30 1.02 ± 0.53 − 0.09 ± 0.37 − 1.21 0.22
BBPT (6) 21 0.86 ± 0.40 0.98 ± 0.62 − 0.11 ± 0.33 − 1.30 0.19
PBPT (3) 21 1.01 ± 0.39 1.00 ± 0.38 0.01 ± 0.34 − 0.28 0.77
PBPT (6) 21 2.16 ± 0.71 2.05 ± 0.67 0.10 ± 0.48 − 0.56 0.57
Control side
BBPT (3) 21 0.96 ± 0.43 0.95 ± 0.57 0.009 ± 0.27 − 1.09 0.27
BBPT (6) 21 0.93 ± 0.53 0.95 ± 0.69 − 0.014 ± 0.34 − 0.57 0.56
PBPT (3) 21 0.79 ± 0.43 0.70 ± 0.37 0.08 ± 0.40 − 0.65 0.51
PBPT (6) 21 1.87 ± 0.69 1.80 ± 0.59 0.06 ± 0.45 − 0.82 0.40
Difference between sides
BBPT (3) 42    0.009 ± 0.27 − 1.52 0.12
BBPT (6) 42    − 0.014 ± 0.34 − 0.92 0.35
PBPT (3) 42    0.08 ± 0.40 − 0.72 0.47
PBPT (6) 42    0.06 ± 0.45 − 0.09 0.92
  1. SD standard deviation
  2. Wilcoxon signed rank matched pairs test
  3. *Significant P < 0.05