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Table 4 Reduction of maximum PD (mm)

From: Clinical outcomes following surgical treatment of peri-implantitis at grafted and non-grafted implant sites: a retrospective analysis

Group Patient level Implant level
Mean SD Median Min. Max. Mean SD Median Min. Max.
Non-grafted sites 2.20 2.22 2.0 −4.0 6.0 2.10 2.35 2.0 −4.0 6.0
Grafted sites 1.57 1.54 1.0 −1.0 4 1.31 2.18 1.5 −4.0 4.0
  1. No significant difference between the groups was observed (patient level p = 0.968, implant level p = 1, chi-square test)