Tooth Loss Associated with Abnormal Electrocardiographic Findings in Octogenarians

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  • Takata Yutaka
    Division of General Internal Mnedicine, Department of Health Promotion, Kyushu Dental College
  • Ansai Toshihiro
    Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College
  • Awano Shuji
    Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College
  • Sonoki Kazuo
    Division of General Internal Mnedicine, Department of Health Promotion, Kyushu Dental College
  • Akifusa Sumio
    Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College
  • Fukuhara Masayo
    Division of General Internal Mnedicine, Department of Health Promotion, Kyushu Dental College
  • Wakisaka Masanori
    Division of General Internal Mnedicine, Department of Health Promotion, Kyushu Dental College
  • Takehara Tadamichi
    Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College

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Other Title
  • 80歳者における個々の歯牙喪失と異常心電図所見の関係

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Abstract

Since little is known about regional differences of tooth loss as a predictor of coronary heart disease (CHD), we evaluated the association of abnormal electrocardiographic (ECG) findings with toothloss. Of the 1282 residents, aged 80-year-old, of 9 communities selected in Fukuoka Prefecture, 697 subjects participated in our study. An oral examination determined whether each tooth was present or absent and an assessment of community periodontal index for each tooth was performed. Twelve-lead ECG recording, blood pressure (BP) measurement, and blood sampling was done. Individuals who lost the lateral incisor or 1st molar in the right maxilla, central incisor or cuspid in the left maxilla, or 2nd premolar or 1st molar in the left mandible had a higher prevalence of ST-segment depression, T-wave abnormalities, or the combination than those with a preserved corresponding tooth. This relationship between tooth loss and abnormal ECG findings was significant even after adjustment for gender, smoking, toothbrushing, regular doctor visits, serum cholesterol, serum glucose, systolic BP, diastolic BP, and body mass index, indicating that tooth loss at these specific sites is an independent predictor of an abnormal ECG in an 80-year-old population. Tooth loss in specific areas may be an independent predictor of abnormal ECG findings in an 80-year-old population ; specific tooth loss and periodontal disease may be independent risk factors for CHD.

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