From: Hard and soft tissue regeneration of severe peri-implantitis defects with the laser-assisted peri-implant defect regeneration technique: 3-year results
Level
Pre-op (mm)
Final (mm)
Improvement (mm)
p = 
1Â mm
0.01 ± 0.03
0.55 ± 0.60
0.005
3Â mm
0.32 ± 0.57
1.32 ± 1.16
1.01 ± 1.25
0.001
6Â mm
1.26 ± 1.24
1.90 ± 1.52
0.65 ± 1.73
0.163