Higher number of teeth is associated with decreased prevalence of hearing impairment in Japan |
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| Affiliation: | 1. Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan;2. Research Promotion Unit, Translation Research Center, Ehime University Hospital, Ehime, Japan;3. Center for Data Science, Ehime University, Ehime, Japan;4. Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Ehime, Japan;5. Kato Dental Clinic;6. Machimi Dental Clinic;7. Department of Internal Medicine, Matsuyama Shimin Hospital, Ehime, Japan;8. Department of Otorhinolaryngology, HITO Hospital, Ehime, Japan;9. Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Ehime, Japan;1. Department of Spine Surgery, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai 200001, China;2. Department of Orthopedic Surgery, Jinling Hospital, Nanjing University, Nanjing, China;3. Department of Orthopedic Surgery, No. 906 Hospital of the People''s Liberation Army, Zhejiang, China;1. Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan;2. Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, Taipei, Taiwan;3. Taipei Municipal Gan-Dau Hospital (Managed by Taipei Veterans General Hospital), Taipei, Taiwan;1. Sligo Mental Health Services, Sligo, Ireland;2. Department of Population and Occupational Health, Amsterdam University Medical Center, Amsterdam, the Netherlands;3. GGZinGeest, Amsterdam, the Netherlands. Department of Neurology, Academic Medical Center, Amsterdam, the Netherlands;1. Ewha Womans University Seoul Hospital, Department of Emergency Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea;2. Department of Emergency Medicine, College of Medicine, Graduate School of Chung-Ang University, Seoul, Republic of Korea;3. Department of Emergency Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do 18450, South Korea;4. Department of Emergency Medicine, College of Medicine, The Catholic University of Korea, 10, 63-ro, Yeongdeungpo-gu, Seoul 07345, South Korea;5. Department of Emergency Medicine, Eulji University, 68, Hangeulbiseok-ro, Nowon-gu, Seoul 01830, South Korea;6. Department of Emergency Medicine, CHA Bundang Medical Center, Seongnam, CHA University, 16, Yatap-ro 65beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do 13496, South Korea;7. Department of Emergency Medicine, Seoul St. Mary''s Hospital, 222 Banpo-daero, Seocho-Gu, Seoul 137-701, South Korea;8. Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, 170, Jomaru-ro, Bucheon-si, Gyeonggi-do 1899-5700, South Korea;9. Department of Emergency Medicine, Ewha Womans University Mokdong Hospital, College of Medicine, Ewha Womans University Medical Center, 1071, Anyangcheon-ro, Yangcheon-gu, Seoul 07985, South Korea;10. Department of Emergency Medicine, College of Medicine, Chung-Ang University, 102, Heukseok-ro, Dongjak-gu, Seoul, South Korea;11. Department of Emergency Medicine, College of Medicine, Chung-Ang University Hospital, 102, Heukseok-ro, Dongjak-gu, Seoul, South Korea;1. Department of Internal Medicine, Division of Geriatrics and Palliative Medicine, McGovern Medical School, University of Texas, Houston, TX, USA;2. Endocrine & Diabetes Plus Clinic of Houston, Houston, TX, USA |
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| Abstract: | ![]()
Background/ObjectivesThere is limited evidence on the association between tooth loss and hearing impairment (HI). The present cross-sectional study investigated the association between tooth loss and the prevalence of HI in 1004 Japanese adults aged 36 to 84 years.MethodsHI was defined as present when pure-tone average was > 25 dB at a frequency of 0.5, 1, 2, and 4 kHz in the better hearing ear. Visual oral examinations were performed. Adjustments were made for age, sex, smoking status, leisure-time physical activity, hypertension, dyslipidemia, diabetes mellitus, history of depression, body mass index, waist circumference, employment, education, and household income.ResultsOf 1004 study subjects, the prevalence of HI was 24.8% (n = 249). Compared with having 28 teeth, having < 22 teeth, but not having 26 to < 28 or 22 to < 26 teeth, was associated with an increased prevalence of HI; the multivariate adjusted ORs (95% CI) of having 26 to < 28, 22 to < 26, and < 22 teeth were 1.41 (0.85−2.38), 1.51 (0.90−2.57), and 1.96 (1.18−3.30), respectively (p for trend = 0.01).ConclusionsThe results suggest that tooth loss may be associated with an increased prevalence of HI. |
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