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Risk for recurrence of disease following surgical therapy of peri‐implantitis—A prospective longitudinal study

Objectives The aim of the present prospective study was to assess the risk for disease recurrence following surgical therapy of peri‐implantitis. Material & Methods 73 patients (130 implants) treated surgically for peri‐implantitis were examined at 1 and 5 years after therapy. The primary outcom...

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Bibliographic Details
Published in:Clinical oral implants research 2020-11, Vol.31 (11), p.1072-1077
Main Authors: Carcuac, Olivier, Derks, Jan, Abrahamsson, Ingemar, Wennström, Jan L., Berglundh, Tord
Format: Article
Language:English
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Summary:Objectives The aim of the present prospective study was to assess the risk for disease recurrence following surgical therapy of peri‐implantitis. Material & Methods 73 patients (130 implants) treated surgically for peri‐implantitis were examined at 1 and 5 years after therapy. The primary outcome was recurrence/progression of disease defined as any of the following events: (a) bone loss >1.0 mm, (b) surgical retreatment, (c) implant removal/loss after year 1. Patient‐ and implant‐related parameters as well as 1‐year outcomes were evaluated as potential predictors through multiple logistic regression analysis. Results 57 implants (44%) displayed recurrence/progression of peri‐implantitis during follow‐up. Among these, 27 implants were removed. Residual deep probing pocket depth (≥6 mm; odds ratio 7.4; 95% confidence interval 2.8–19.3) and reduced marginal bone level (OR 1.4; 95%CI 1.1–1.7) at 1 year after surgery constituted risk factors for recurrence/progression of disease. Furthermore, implants with modified surfaces were at higher risk than implants with non‐modified surfaces (OR 5.1; 95%CI 1.6–16.5). Conclusion Implants with (a) residual deep probing pocket depth, (b) reduced marginal bone level, or (c) modified surfaces following surgical therapy of peri‐implantitis present with increased risk for recurrence/progression.
ISSN:0905-7161
1600-0501
DOI:10.1111/clr.13653