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Microbiota in the oral subgingival biofilm is associated with obesity in adolescence.
Karolinska Institutet, Stockholm, Sweden.
University of Berne, Berne, Switzerland & University of Washington, Seattle, Washington, USA.ORCID iD: 0000-0002-3620-5978
Karolinska Institutet, Stockholm, Sweden.
Karolinska Institutet, Stockholm, Sweden.
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2012 (English)In: Obesity (Silver Spring, Md.), ISSN 1930-739X, Vol. 20, no 1, 157-164 p.Article in journal (Refereed) Published
Abstract [en]

To test the hypothesis whether microbiota in oral biofilm is linked with obesity in adolescents we designed this cross-sectional study. Obese adolescents (n = 29) with a mean age of 14.7 years and normal weight subjects (n = 58) matched by age and gender were examined with respect to visible plaque index (VPI%) and gingival inflammation (bleeding on probing (BOP%)). Stimulated saliva was collected. They answered a questionnaire concerning medical history, medication, oral hygiene habits, smoking habits, and sociodemographic background. Microbiological samples taken from the gingival crevice was analyzed by checkerboard DNA-DNA hybridization technique. The sum of bacterial cells in subgingival biofilm was significantly associated with obesity (P < 0.001). The link between sum of bacterial cells and obesity was not confounded by any of the studied variables (chronic disease, medication, VPI%, BOP%, flow rate of whole saliva, or meal frequency). Totally 23 bacterial species were present in approximately threefold higher amounts, on average, in obese subjects compared with normal weight controls. Of the Proteobacteria phylum, Campylobacter rectus and Neisseria mucosa were present in sixfold higher amounts among obese subjects. The association between obesity and sum of bacterial cells in oral subgingival biofilm indicates a possible link between oral microbiota and obesity in adolescents.

Place, publisher, year, edition, pages
2012. Vol. 20, no 1, 157-164 p.
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Dentistry
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URN: urn:nbn:se:hkr:diva-12235DOI: 10.1038/oby.2011.305ISI: 000298401400018PubMedID: 21996660OAI: oai:DiVA.org:hkr-12235DiVA: diva2:728573
Available from: 2014-06-24 Created: 2014-06-24 Last updated: 2014-09-18Bibliographically approved

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Persson, G. Rutger

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CiteExportLink to record
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  • apa
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