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Table 1 Means and SD of buccal (BACL) and palatal (PACL) alveolar bone crest level

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 t value P value
Experimental side
BACL 21 1.71 ± 0.93 1.80 ± 0.96 − 0.09 ± 0.44 − 0.98 0.33
PACL 21 1.66 ± 1.12 1.91 ± 1.14 − 0.25 ± 0.89 − 1.32 0.20
Control side
BACL 21 1.58 ± 0.97 1.62 ± 1.10 − 0.03 ± 0.44 − 0.39 0.70
PACL 21 1.90 ± 1.28 2.02 ± 1.11 − 0.12 ± 0.52 − 1.08 0.29
Difference between sides
BACL 42    − 0.05 ± 0.64 − 0.40 0.69
PACL 42    − 0.13 ± 0.91 − 0.66 0.51
  1. SD standard deviation
  2. Paired t test
  3. *Significant P < 0.05