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IL-1RN gene polymorphism is associated with peri-implantitis.
Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap.
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2006 (English)In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 17, no 4, 380-385 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: Interleukin (IL)-1alpha, IL-1beta and their natural specific inhibitor IL-1 receptor antagonist (IL-1ra) play a key role in the regulation of the inflammatory response in periodontal tissues. Polymorphisms in the IL-1 gene cluster have been associated with severe adult periodontitis. We aimed to investigate the IL-1 gene cluster polymorphisms in patients with peri-implantitis.

MATERIAL AND METHODS: The study included 120 North Caucasian individuals. A total of 71 patients (mean age 68 years, 76% smokers) demonstrating peri-implantitis at one or more implants as evidenced by bleeding and/or pus on probing and bone loss amounting to >3 threads on Brånemark implants and 49 controls (mean age 66 years, 45% smokers) with clinical healthy mucosa and no bone loss around the implants were recruited for the study. The titanium implants, ad modum Brånemark, had been in function for at least 2 years. Mouthwash samples were collected and used for genotyping of the bi-allelic polymorphisms IL-1A(-889), IL-1B(+3953), IL-1B(-511) and a variable number of tandem repeat IL-1RN gene polymorphisms using PCR technique.

RESULTS: Significant differences were found in the carriage rate of allele 2 in the IL-1RN gene between peri-implantitis patients and controls (56.5% vs. 33.3%, respectively; odds ratios (OR) 2.6; 95% confidence interval (CI) 1.2-5.6; P=0.015). Logistic regression analysis taking smoking, gender and age into account confirmed the association between the IL-1RN allele 2 carriers and peri-implantitis (OR 3; 95% CI 1.2-7.6; P=0.02).

CONCLUSIONS: Our results provide evidence that IL-1RN gene polymorphism is associated with peri-implantitis and may represent a risk factor for this disease.

Place, publisher, year, edition, pages
2006. Vol. 17, no 4, 380-385 p.
Keyword [en]
Palliative care approach, Residential care facilities, Intervention
National Category
Dentistry
Identifiers
URN: urn:nbn:se:hkr:diva-12431DOI: 10.1111/j.1600-0501.2006.01249.xISI: 000239187900005PubMedID: 16907768OAI: oai:DiVA.org:hkr-12431DiVA: diva2:734764
Available from: 2014-07-21 Created: 2014-07-21 Last updated: 2014-07-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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