Peri-implantitis is recognized as a complex pathology which could be defined as infectious inflammatory lesions that usually develop in the tissues around the implants. There are many protocols for the effective management of peri-implantitis that include mechanical debridement, the use of antiseptics and local/systemic antibiotics, and access and regenerative surgery formulated for the treatment of peri-implantitis. This study aims to evaluate the clinical outcomes of a mixed protocol for the regeneration of deep osseous defects. Records obtained from 27 patients who had already received treatment for peri-implantitis on one or more implants were retrospectively examined within the proposed time period between 24 and 30 months after their surgical treatment. A total of 33 implant sites were included and examined retrospectively. Descriptive statistics were calculated that include mean, SD, medians and confidence intervals at 95%. At the baseline, the mean Probing Depth was 8.19 ± 1.23 mm; Bleeding on Probing (BOP) was present on 29 out of 33 treated areas; pus was instead present on 17 out of 33 sites. At the time of final examinations, BOP was present on 9 out of 33 sites; pus was present only on two surgical sites. To conclude, a combined chemical-mechanical and regenerative decontamination therapy is effective in the treatment of peri-implantitis. Further investigation, which includes a control group and/or histologic findings, might be needed to ascertain the clinical results reported in the clinical studies.
Keywords: Peri-implantitis; degranulation; dental implants.
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