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Article Abstract
Aim: This systematic review investigates the effectiveness of implant therapy in patients with and without a history of periodontitis in terms of implant loss, peri-implant marginal bone loss (MBL), and occurrence of peri-implant diseases.
Methods: The protocol of the present meta-analysis was registered on PROSPERO (CRD42021264980). An electronic search was conducted up to April 2024. All prospective cohort studies reporting implant loss, MBL, and occurrence of peri-implant diseases in both patients with a history of periodontitis (HP) and patients with no history of periodontitis (NHP) after at least 36-month follow-up were included. The risk of bias was evaluated using the Newcastle-Ottawa Scale and the quality of the evidence was also assessed. A meta-analysis was performed on the selected outcomes at the available follow-up time points. Subgroup analyses were conducted based on follow-up time, rate of progression and severity of periodontitis, and implant surface characteristics. Publication bias was evaluated using the Funnel plot and Egger's test.
Results: From 13 761 initial records, 14 studies (17 articles) were finally included. Eight studies had a low risk of bias level, and six had a medium risk of bias level. Meta-analysis showed that HP patients had a significantly greater risk for implant loss (HR: 1.75; 95% CI: 1.28-2.40; p = 0.0005; I = 0%), MBL (MD: 0.41 mm; 95% CI 0.19, 0.63; p = 0.0002; I = 54%), and peri-implantitis (3.24; 95% CI: 1.58-6.64; p = 0.001; I = 57%) compared to NHP, whereas no significant intergroup difference for peri-implant mucositis was found. Subgroup analyses revealed a particularly greater risk for implant loss for HP patients over a ≥ 10-year follow-up (HR: 2.02; 95% CI: 1.06-3.85; p = 0.03; I = 0%) and for patients with a history of grade C (formerly aggressive) periodontitis (HR: 6.16; 95% CI: 2.53-15.01; p < 0.0001; I = 0%). A greater risk for implant loss for stages III-IV (severe) periodontitis, and implants with rough surfaces was also found.
Conclusions: Within the limits of heterogeneous case definitions and methods of assessment, a history of periodontitis has been proved to significantly increase the risk for implant loss, particularly at long follow-up (≥ 10 years) and in case of rapidly progressive forms (grade C), and for MBL and peri-implantitis.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12312821 | PMC |
| http://dx.doi.org/10.1111/jre.13351 | DOI Listing |
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