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BMC Oral Health
Published in: BMC Oral Health 1/2017

Open Access 01-12-2017 | Research article

Waist circumference and waist-to-height ratio are associated with periodontal pocketing—results of the Health 2000 Survey

Authors: Sanna Kangas, Petra Timonen, Matti Knuuttila, Antti Jula, Pekka Ylöstalo, Anna-Maija Hannele Syrjälä

Published in: BMC Oral Health | Issue 1/2017

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Abstract

Background

Body mass index (BMI) has been found to associate with different parameters of chronic periodontal disease in previous studies. It is reasonable to expect that central adiposity measures, such as waist circumference and waist-to-height ratio, which indirectly takes into account visceral fat, are more accurate measures of obesity-related oral health risks than BMI. The aim of this study was to examine whether central obesity is associated with periodontal pocketing, an indication of infectious chronic periodontal disease.

Methods

The study was based on a subpopulation from the national Health 2000 Survey in Finland. It included dentate, non-diabetic, never-smoking subjects aged 30–49 (n = 1287). The outcome variable was the number of teeth with deepened periodontal pockets (4 mm or more) and the number of teeth with deep periodontal pockets (6 mm or more). Central obesity was measured by means of waist circumference (WC) and waist-to-height ratio (WHtR). Poisson regression models were used to estimate prevalence rate ratios (PRR) and their 95% confidence intervals.

Results

Our main finding was that both WC and WHtR were associated with the number of teeth with deeper (4 mm or more) periodontal pockets; the PRR for the fifth quintile in WC was 1.5, CI: 1.2–1.9 and in WHtR 1.4, CI: 1.1–1.7, when compared to the lowest quintile. Corresponding figures for deep (6 mm or more) periodontal pockets were 2.3, CI: 0.9–6.1 for WC and 1.9, CI: 0.8–4.4 for WHtR. There were no essential differences in the strengths of the associations between WC and WHtR and the number of teeth with deepened periodontal pockets.

Conclusion

Both central adipose measures—WC and WHtR—seem to be associated with periodontal pocketing in non-diabetic, never-smoking subjects aged 30–49 years old.
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Metadata
Title
Waist circumference and waist-to-height ratio are associated with periodontal pocketing—results of the Health 2000 Survey
Authors
Sanna Kangas
Petra Timonen
Matti Knuuttila
Antti Jula
Pekka Ylöstalo
Anna-Maija Hannele Syrjälä
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2017
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-017-0336-y

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