Ville Myllymäki, Pekka Ylöstalo, Anna Liisa Suominen, Matti Knuuttila, Ulla Rajala, Sirkka Keinänen-Kiukaanniemi, Sirpa Anttila, Tuomas Saxlin
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Abstract
Objectives
The aim of this study was to investigate whether periodontal condition is associated with the development of impaired glucose tolerance (IGT).
Material and Methods
This study was based on a subpopulation of a cohort of persons born in 1935 and living in Oulu, Finland, on October 1, 1990. The participants were normoglycemic (no previously diagnosed diabetes mellitus and a 2-h oral glucose tolerance test [OGTT] blood glucose < 7.8 mmol/L) in the baseline examinations (1990–1992) and had fasting blood glucose < 7.0 mmol/L in the follow-up examinations (2007–2008) (n = 225). The outcome was IGT on follow-up, measured by a blood glucose level of ≥ 7.8 mmol/L after OGTT. The exposure was the periodontal condition at baseline categorized into four groups: 0, 1–6, ≥ 7 sites with deepened (≥ 4 mm) periodontal pockets, and edentulousness.
Results
A total of 23% of the participants developed IGT. The adjusted incidence rate ratios with 95% confidence intervals (CI) for dentate participants with 1–6 sites and ≥ 7 sites with deepened periodontal pockets, and edentate participants (reference category dentate participants without deepened periodontal pockets) were 1.5 (95% CI, 0.6–4.0), 1.8 (95% CI, 0.7–4.4), and 1.6 (95% CI, 0.6–4.0), respectively.
Conclusions
Poor periodontal condition may predispose individuals to IGT; however, further studies on this matter are warranted.
期刊介绍:
Clinical and Experimental Dental Research aims to provide open access peer-reviewed publications of high scientific quality representing original clinical, diagnostic or experimental work within all disciplines and fields of oral medicine and dentistry. The scope of Clinical and Experimental Dental Research comprises original research material on the anatomy, physiology and pathology of oro-facial, oro-pharyngeal and maxillofacial tissues, and functions and dysfunctions within the stomatognathic system, and the epidemiology, aetiology, prevention, diagnosis, prognosis and therapy of diseases and conditions that have an effect on the homeostasis of the mouth, jaws, and closely associated structures, as well as the healing and regeneration and the clinical aspects of replacement of hard and soft tissues with biomaterials, and the rehabilitation of stomatognathic functions. Studies that bring new knowledge on how to advance health on the individual or public health levels, including interactions between oral and general health and ill-health are welcome.