Journal of Dental Research, Vol 80, 1648-1652, Copyright © 2001 by International & American Associations for Dental Research Online Journals

ARTICLES

Relationship between tooth loss and electrocardiographic abnormalities in octogenarians

Y. Takata, T. Ansai, K. Matsumura, S. Awano, T. Hamasaki, K. Sonoki, A. Kusaba, S. Akifusa and T. Takehara
Department of Internal Medicine, Kyushu Dental College, Kitakyushu City, Japan. yutaka@kyu-dent.ac.jp

Recent reports have suggested that periodontal disease is a risk factor for coronary heart disease (CHD). However, little is known about the relationship between periodontal disease and CHD in the very elderly. Therefore, we evaluated the association between tooth loss and abnormal ECG findings in octogenarians. Of the 1,282 octogenarians in Fukuoka Prefecture, Japan, 697 participated. Oral examinations--including a tooth count and an assessment of the Community Periodontal Index--and a 12-lead ECG were performed. Logistic regression analysis revealed that individuals with < 20 teeth had increased prevalence of ST segment depression, and T-wave abnormalities, after we adjusted for gender, smoking, serum cholesterol and glucose, blood pressure, and body mass index. Compared with individuals with > or = 20 teeth, edentulous individuals had an increased prevalence of T-wave abnormalities and arrhythmias after adjustment for coronary risk factors. We conclude that tooth loss may be an independent predictor of abnormal ECG findings in octogenarians.

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