Abstract
Aim
To answer the PICOS question: in adult patients with peri-implantitis, what is the efficacy of sub-marginal instrumentation combined with chemical surface decontamination in comparison with sub-marginal instrumentation with or without placebo, in terms of changes in probing depth (PD) and/or bleeding on probing (BOP), as reported in prospective randomized controlled trials, nonrandomized controlled trials or prospective cohort studies, with a minimum of 6-month "follow-up".
Materials and methods
A systematic literature search was performed in: PubMed, Web of Science (WOS), Embase, Scopus, Ovid Medline and The Cochrane Library of the Cochrane Collaboration (CENTRAL) for articles published until March 2022. Data addressing the primary and secondary outcomes were extracted.
Results
The search gave 2033 results of which three studies fulfilled the inclusion criteria. Two studies investigated the use of antimicrobial photodynamic therapy as adjunct to submarginal instrumentation and the third study assessed the adjunctive use of a desiccant material. A meta-analysis was not deemed meaningful due to the large heterogeneity among studies. All three studies showed favourable results in terms of PD reduction for chemical surface decontamination over control approaches, but were inconsistent or showed no differences for the other outcome variables.
Conclusions
Adjunctive chemical approaches for implant surface decontamination may offer an advantage over sub-marginal instrumentation alone, in terms of improved PD.
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