Prophylactic antibiotic regimen and dental implant failure : a meta-analysis

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Prophylactic antibiotic regimen and dental implant failure : a meta-analysis

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Publication Article, peer reviewed scientific
Title Prophylactic antibiotic regimen and dental implant failure : a meta-analysis
Author(s) Chrcanovic, Bruno ; Albrektsson, Tomas ; Wennerberg, Ann
Date 2014
English abstract
The aim of this meta-analysis was to investigate whether there are any positive effects of prophylactic antibiotic regimen on implant failure rates and post-operative infection when performing dental implant treatment in healthy individuals. An electronic search without time or language restrictions was undertaken in March 2014. Eligibility criteria included clinical human studies, either randomised or not. The search strategy resulted in 14 publications. The I(2) statistic was used to express the percentage of the total variation across studies due to heterogeneity. The inverse variance method was used with a fixed- or random-effects model, depending on the heterogeneity. The estimates of relative effect were expressed in risk ratio (RR) with 95% confidence interval. Six studies were judged to be at high risk of bias, whereas one study was considered at moderate risk, and six studies were considered at low risk of bias. The test for overall effect showed that the difference between the procedures (use versus non-use of antibiotics) significantly affected the implant failure rates (P = 0·0002), with a RR of 0·55 (95% CI 0·41-0·75). The number needed to treat (NNT) to prevent one patient having an implant failure was 50 (95% CI 33-100). There were no apparent significant effects of prophylactic antibiotics on the occurrence of post-operative infections in healthy patients receiving implants (P = 0·520). A sensitivity analysis did not reveal difference when studies judged as having high risk of bias were not considered. The results have to be interpreted with caution due to the presence of several confounding factors in the included studies.
DOI (link to publisher's fulltext)
Publisher Wiley
Host/Issue Journal of Oral Rehabilitation;12
Volume 41
ISSN 1365-2842
Pages 941-956
Language eng (iso)
Subject(s) antibiotic prophylaxis
dental implants
implant failure rate
post-operative infection
Research Subject Categories::ODONTOLOGY
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