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.
Non-grafted sites
2.20
2.22
2.0
−4.0
6.0
2.10
2.35
Grafted sites
1.57
1.54
1.0
−1.0
4
1.31
2.18
1.5
4.0