• Fu-Mei Huang, Ci-Wen Luo, Shiuan-Shinn Lee, Yung-Chuan Ho, Yi-Ching Li, Yu-Chao Chang, and Yu-Hsiang Kuan.
• Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.
• Medicine (Baltimore). 2023 Feb 22; 102 (8): e32961e32961.

AbstractPeriodontal disease is often neglected and overlooking its initial symptoms can lead to tooth loss and systemic diseases. Patients with otitis media are at high risk of vestibular and balance dysfunction, consequently, and vertigo. Vertigo and dizziness are conditions with high reported incidences; they worsen with age and can burden health systems. The present study investigated whether periodontal disease causes dizziness. Research data covering 2008 through 2013 were retrieved from the National Health Insurance Research Database of Taiwan. Patients who were newly diagnosed as having periodontal disease or dizziness after at least 1 hospital admission or 3 outpatient visits were enrolled as participants. For our controls, we randomly selected individuals without periodontal disease who were sex- and age-matched with the investigated participants. In total, we enrolled 445 patients with periodontal disease and 1780 controls. The Kaplan-Meier curve indicated that the cumulative incidence of dizziness was significantly higher among the patients with periodontal disease relative to the controls. After adjustment for sex, age, income level, urbanization level, month of onset, and comorbidities, Cox proportional-hazards analysis revealed that patients with periodontal disease had an increased risk of dizziness (hazard ratio [HR]: 1.306, 95% confidence interval (CI): 1.155, 1.475). Compared with the controls, the risk of dizziness among patients with periodontal disease was higher for both female (HR: 1.439, 95%: 1.203, 1.720) and male patients (HR: 1.284, 95%: 1.123, 1.468); this risk was higher even when January (HR: 1.302, 95% CI: 1.145, 1.480), February (HR: 1.337, 95% CI: 1.178, 1.518), or March was excluded (HR: 1.308, 95% CI: 1.151, 1.487) and for patients without Ménière disease. Therefore, periodontal disease is not only a risk factor for dizziness but also an independent risk factor for dizziness. Future studies could clarify the mechanisms linking periodontal disease to dizziness.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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