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Table 3 Average changes in RBH and RID over time (n = 34)

From: Spontaneous bone regeneration after surgical extraction of a horizontally impacted mandibular third molar: a retrospective panoramic radiograph analysis

Radiographic variables Assessments (weeks) Mean (mm) SD (mm) Differences between assessments (mm) SD (mm) P value*
RBH 0 6.71 0.22 3.30 2.56 .000
  6 10.01 0.26 3.06 2.30 .000
  24 13.07 0.15 6.36 2.41 .000
RID 0 9.58 2.25 − 3.17 2.31 .000
  6 6.41 2.53 − 3.20 2.12 .000
  24 3.21 1.39 − 6.37 2.28 .000
  1. Abbreviations: RBH radiographic bone height, RID radiographic infrabony defect
  2. *Statistically significant differences over time at p < 0.01