Analysis of risk factors for cluster behavior of dental implant failures

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Analysis of risk factors for cluster behavior of dental implant failures

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Publication Article, peer reviewed scientific
Title Analysis of risk factors for cluster behavior of dental implant failures
Author Chrcanovic, Bruno ; Kisch, Jenö ; Albrektsson, Tomas ; Wennerberg, Ann
Research Centre Biofilms - Research Center for Biointerfaces
Date 2017
English abstract
Background: Some studies indicated that implant failures are commonly concentrated in few patients. Purpose: To identify and analyze cluster behavior of dental implant failures among subjects of a retrospective study. Materials and Methods: This retrospective study included patients receiving at least three implants only. Patients presenting at least three implant failures were classified as presenting a cluster behavior. Univariate and multivariate logistic regression models and generalized estimating equations analysis evaluated the effect of explanatory variables on the cluster behavior. Results: There were 1406 patients with three or more implants (8337 implants, 592 failures). Sixty-seven (4.77%) patients presented cluster behavior, with 56.8% of all implant failures. The intake of antidepressants and bruxism were identified as potential negative factors exerting a statistically significant influence on a cluster behavior at the patient-level. The negative factors at the implant-level were turned implants, short implants, poor bone quality, age of the patient, the intake of medicaments to reduce the acid gastric production, smoking, and bruxism. Conclusions: A cluster pattern among patients with implant failure is highly probable. Factors of interest as predictors for implant failures could be a number of systemic and local factors, although a direct causal relationship cannot be ascertained.
DOI https://doi.org/10.1111/cid.12485 (link to publisher's fulltext.)
Link http://onlinelibrary.wiley.com/doi/10.1111/cid.124... (external link to publication)
Publisher Wiley
Host/Issue Clinical Implant Dentistry and Related Research;4
Volume 19
ISSN 1708-8208
Pages 632–642
Language eng (iso)
Subject Cluster phenomenon
Dental implant
Implant failure
Logistic models
Multivariate analysis
Risk factors
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/22474 Permalink to this page
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