Personnel Information

写真a

KIUCHI Sakura


Job title

Assistant Professor

Mail Address

kiuchi.s.4eea@m.isct.ac.jp

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Graduating School 【 display / non-display 】

  • Hokkaido University, Faculty of Dentistry, 2016.03, Graduated

  • Tohoku University, Graduate School of Dentistry, 2022.03, Graduated

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Graduate School 【 display / non-display 】

  • Tohoku University, Graduate School, Division of Dental Research, Doctor's Course, 2022.03, Completed

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Campus Career 【 display / non-display 】

  • 2016.04
    -
    2016.09
    Tokyo Medical and Dental University， (Old Organization)Dental Hospital， Trainee Resident
  • 2017.04
    -
    2017.07
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Medical and Dental Sciences， Oral Health Sciences， Oral and Maxillofacial Surgery， Graduate Student
  • 2025.05
    -
    Now
    Institute of Science Tokyo， -， Graduate Schools， Public Health， Department of Dental Public Health， Assistant Professor
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External Career 【 display / non-display 】

  • 2022.04
    -
    2025.04
    Tohoku University Graduate School of Dentistry, Department of International and Community Oral Health, Assistant Professor
  • 2022.04
    -
    2025.04
    Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Assistant Professor
  • 2023.04
    -
    2025.04
    Institute of Science Tokyo,
  • 2024.08
    -
    2024.10
    University of Queensland, Visiting Academic
  • 2025.05
    -
    Now
    Institute of Science Tokyo, Assistant Professor
  • 2025.05
    -
    Now
    Tohoku University, Visiting Lecturer

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Research Theme 【 display / non-display 】

  • Analysis of Oral and Cardiovascular Diseases Based on Real-World Data Including Metabolome and Claims Data, 2025.04 - 2030.03

  • Invesitgating the mechanisms of the relationship between oral status and cognitive function using large cohort data and estimating causal effects, 2022.08 - 2024.03

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Published Papers & Misc 【 display / non-display 】

  1. Wataru Umishio, Sakura Kiuchi, Toshiyuki Ojima, Masashige Saito, Masamichi Hanazato, Jun Aida. Combination of housing type (detached houses vs flats) and tenure (owned vs rented) in relation to cardiovascular mortality: findings from a 6-year cohort study in Japan. BMJ Public Health. 2025.09; 3 (2): e003073. ( PubMed, DOI )

  2. Sharmin F, Matsuyama Y, Kino S, Kiuchi S, Kondo K, Aida J. Gender differences in roles of health behavior between marital status and oral health. Geriatrics & gerontology international. 2025.09; ( PubMed, DOI )

  3. Sato, M; Hoshi-Harada, M; Takeuchi, K; Kusama, T; Ikeda, T; Kiuchi, S; Saito, M; Nakaya, N; Osaka, K. Combined association of social isolation and loneliness with frailty onset among independent older adults: A JAGES cohort study ARCHIVES OF GERONTOLOGY AND GERIATRICS. 2025.09; 136 105914. ( PubMed, DOI )

  4. Kusama, T; Tamada, Y; Kiuchi, S; Saito, M; Ojima, T; Aida, J; Kondo, K; Osaka, K; Takeuchi, K. Chewing difficulty, swallowing problems, xerostomia and cause-specific mortality among older adults: A 7-year follow-up JAGES cohort study GERIATRICS & GERONTOLOGY INTERNATIONAL. 2025.08; ( PubMed, DOI )

  5. K Wang, Y Matsuyama, S Kiuchi, T Kusama, J Aida. Oral Frailty as a Predictor for Weight Loss in Older Japanese: A Cohort Study. J Dent Res. 2025.08; 220345251356437. ( PubMed, DOI )

  6. Hazem Abbas, Kenji Takeuchi, Taro Kusama, Sakura Kiuchi, Katsunori Kondo, Ken Osaka. Oral health and happiness after 3-years with causal mediation of oral functions. J Dent. 2025.08; 162 106036. ( PubMed, DOI )

  7. Khairinisa S, Matsuyama Y, Kiuchi S, Maharani DA, Aida J. Mediating Role of Health Insurance on Socioeconomic Inequalities in Dental Utilisation Patterns Among Indonesian Adults. Community dentistry and oral epidemiology. 2025.08; ( PubMed, DOI )

  8. Yusuke Matsuyama, Diep H Ha, Sakura Kiuchi, Andrew J Spencer, Jun Aida, Loc G Do. Water fluoridation as a population strategy for reducing oral health inequalities: high-dimensional effect heterogeneity analysis using machine learning. Int J Epidemiol. 2025.06; 54 (4): ( PubMed, DOI )

  9. T Yamamoto, U Cooray, T Kusama, S Kiuchi, H Abbas, K Osaka, K Kondo, J Aida. Childhood Socioeconomic Status Affects Dental Pain in Later Life. JDR Clin Trans Res. 2025.04; 10 (2): 135-145. ( PubMed, DOI )

  10. Sakura Kiuchi, Kumi Nakaya, Upul Cooray, Kenji Takeuchi, Ikuko N Motoike, Naoki Nakaya, Yasuyuki Taki, Seizo Koshiba, Shunji Mugikura, Ken Osaka, Atsushi Hozawa. A Principal Component Analysis of Metabolome and Cognitive Decline Among Japanese Older Adults: Cross-sectional Analysis Using Tohoku Medical Megabank Cohort Study Data. J Epidemiol. 2025.01; 35 (1): 39-46. ( PubMed, DOI )

  11. Sakura Kiuchi, Yusuke Matsuyama, Kenji Takeuchi, Taro Kusama, Upul Cooray, Ken Osaka, Jun Aida. Number of Teeth and Dementia-free Life Expectancy: A 10-Year Follow-Up Study from the Japan Gerontological Evaluation Study. J Am Med Dir Assoc. 2024.11; 25 (11): 105258. ( PubMed, DOI )

  12. Dental prosthesis use moderates association between tooth loss and risk of depressive symptoms in older adults with severe tooth loss: The JAGES cohort trial. 2024.03; 68 (4): 578-584. ( PubMed, DOI )

  13. Tooth loss mediates the association between smoking and an increased risk of dementia among older adults: The JAGES prospective cohort study 2024.02; 51 (12): 1610-1618. ( PubMed, DOI )

  14. Kinugawa, A; Kusama, T; Takeuchi, K; Aida, J; Kiuchi, S; Katagiri, R; Hikichi, H; Sasaki, S; Kondo, K; Osaka, K. Association between dietary pattern and insomnia symptoms among independent older adults: A cross-sectional study based on JAGES SLEEP MEDICINE. 2023.12; 112 70-76. ( PubMed, DOI )

  15. Yamamoto-Kuramoto, K; Kusama, T; Kiuchi, S; Kondo, K; Osaka, K; Takeuchi, K; Aida, J. Lower socio-economic status in adolescence is associated with poor oral health at an older age: Mediation by social and behavioural factors GERODONTOLOGY. 2023.12; 40 (4): 509-517. ( PubMed, DOI )

  16. Does online communication mitigate the association between a decrease in face-to-face communication and laughter during the COVID-19 pandemic? A cross-sectional study from JACSIS study. 2023.12; 36 102432. ( PubMed, DOI )

  17. Kusama, T; Takeuchi, K; Kiuchi, S; Aida, J; Hikichi, H; Sasaki, S; Kondo, K; Osaka, K. Dental prosthesis use is associated with higher protein intake among older adults with tooth loss JOURNAL OF ORAL REHABILITATION. 2023.11; 50 (11): 1229-1238. ( PubMed, DOI )

  18. Nakazawa, N; Kusama, T; Takeuchi, K; Kiuchi, S; Yamamoto, T; Kondo, K; Osaka, K; Aida, J. Co-Payments and Inequality in Gingival Bleeding and Dental Visits INTERNATIONAL DENTAL JOURNAL. 2023.10; 73 (5): 628-635. ( PubMed, DOI )

  19. Oral Hypofunction and Risk of Weight Change among Independent Older Adults. 2023.10; 15 (20): ( PubMed, DOI )

  20. Kiuchi, S; Aida, J; Cooray, U; Osaka, K; Chan, A; Malhotra, R; Peres, MA. Education-related inequalities in oral health among older adults: Comparing Singapore and Japan COMMUNITY DENTISTRY AND ORAL EPIDEMIOLOGY. 2023.08; 51 (4): 671-679. ( PubMed, DOI )

  21. Yamamoto-Kuramoto, K; Kiuchi, S; Takeuchi, K; Kusama, T; Nakazawa, N; Tamada, Y; Aida, J; Kondo, K; Osaka, K. Oral status and incident functional disability: A 9-year prospective cohort study from the JAGES ARCHIVES OF GERONTOLOGY AND GERIATRICS. 2023.08; 111 105009. ( PubMed, DOI )

  22. Kiuchi, S; Cooray, U; Aida, J; Osaka, K; Chan, A; Malhotra, R; Peres, MA. Effect of Tooth Loss on Cognitive Function among Older Adults in Singapore JOURNAL OF DENTAL RESEARCH. 2023.07; 102 (8): 871-878. ( PubMed, DOI )

  23. Compliance Trajectory and Patterns of COVID-19 Preventive Measures, Japan, 2020-2022. 2023.07; 29 (9): 1747-1756. ( PubMed, DOI )

  24. Exposure to household dysfunction at childhood and later number of teeth among older Japanese adults: A life course study from the Japan Gerontological Evaluation Study. 2023.07; 83 (3): 299-308. ( PubMed, DOI )

  25. Compliance Trajectory and Patterns of COVID-19 Preventive Measures, Japan, 2020-2022. 2023.07; 29 (9): 1747-1756. ( PubMed, DOI )

  26. Exposure to household dysfunction at childhood and later number of teeth among older Japanese adults: A life course study from the Japan Gerontological Evaluation Study. 2023.07; 83 (3): 299-308. ( PubMed, DOI )

  27. Abbas, H; Aida, J; Kiuchi, S; Kondo, K; Osaka, K. Oral status and homebound status: A 6-year bidirectional exploratory prospective cohort study ORAL DISEASES. 2023.04; 29 (3): 1291-1298. ( PubMed, DOI )

  28. Nakazawa, N; Kusama, T; Cooray, U; Yamamoto, T; Kiuchi, S; Abbas, H; Yamamoto, T; Kondo, K; Osaka, K; Aida, J; Fielding, R. Large Contribution of Oral Status for Death Among Modifiable Risk Factors in Older Adults: The Japan Gerontological Evaluation Study (JAGES) Prospective Cohort Study JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES. 2023.01; 78 (1): 167-173. ( PubMed, DOI )

  29. Kusama, T; Takeuchi, K; Kiuchi, S; Aida, J; Kondo, K; Osaka, K. Weight Loss Mediated the Relationship between Tooth Loss and Mortality Risk JOURNAL OF DENTAL RESEARCH. 2023.01; 102 (1): 45-52. ( PubMed, DOI )

  30. Free Sugar Intake and Periodontal Diseases: A Systematic Review. 2022.10; 14 (21): ( PubMed, DOI )

  31. Yamamoto-Kuramoto, K; Kiuchi, S; Kusama, T; Kondo, K; Takeuchi, K; Osaka, K; Aida, J. Subjective cognitive complaints and dental clinic visits: A cross-sectional study from the Japan Gerontological Evaluation Study GERIATRICS & GERONTOLOGY INTERNATIONAL. 2022.09; 22 (9): 773-778. ( PubMed, DOI )

  32. Yamamoto-Kuramoto Kinumi, Kiuchi Sakura, Kusama Taro, Kondo Katsunori, Takeuchi Kenji, Osaka Ken, Aida Jun. 主観的認知愁訴および歯科受診　Japan Gerontological Evaluation Studyにおける横断研究(Subjective cognitive complaints and dental clinic visits: A cross-sectional study from the Japan Gerontological Evaluation Study) Geriatrics & Gerontology International. 2022.09; 22 (9): 773-778. ( ichushi )

  33. Kiuchi Sakura, Kusama Taro, Sugiyama Kemmyo, Yamamoto Takafumi, Cooray Upul, Yamamoto Tatsuo, Kondo Katsunori, Osaka Ken, Aida Jun. 固定効果分析による口腔状態と認知機能低下の長期的関連(Longitudinal Association Between Oral Status and Cognitive Decline Using Fixed-effects Analysis) Journal of Epidemiology. 2022.08; 32 (7-8): 330-336. ( ichushi )

  34. Chai, HH; Kiuchi, S; Osaka, K; Aida, J; Chu, CH; Gao, SQ. Knowledge, Practices and Attitudes towards Silver Diamine Fluoride Therapy among Dentists in Japan: A Mixed Methods Study INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH. 2022.07; 19 (14): ( PubMed, DOI )

  35. Kiuchi, S; Cooray, U; Kusama, T; Yamamoto, T; Abbas, H; Nakazawa, N; Kondo, K; Osaka, K; Aida, J. Oral Status and Dementia Onset: Mediation of Nutritional and Social Factors JOURNAL OF DENTAL RESEARCH. 2022.04; 101 (4): 420-427. ( PubMed, DOI )

  36. Kusama, T; Kiuchi, S; Tani, Y; Aida, J; Kondo, K; Osaka, K. The lack of opportunity to eat together is associated with an increased risk of weight loss among independent older adults: a prospective cohort study based on the JAGES AGE AND AGEING. 2022.03; 51 (3): ( PubMed, DOI )

  37. Information Usage and Compliance with Preventive Behaviors for COVID-19: A Longitudinal Study with Data from the JACSIS 2020/JASTIS 2021. 2022.03; 10 (3): ( PubMed, DOI )

  38. Kinugawa, A; Kusama, T; Yamamoto, T; Kiuchi, S; Nakazawa, N; Kondo, K; Osaka, K; Aida, J. Association of poor dental status with eating alone: A cross-sectional Japan gerontological evaluation study among independent older adults APPETITE. 2022.01; 168 105732. ( PubMed, DOI )

  39. Kusama, T; Nakazawa, N; Kiuchi, S; Kondo, K; Osaka, K; Aida, J. Dental prosthetic treatment reduced the risk of weight loss among older adults with tooth loss JOURNAL OF THE AMERICAN GERIATRICS SOCIETY. 2021.09; 69 (9): 2498-2506. ( PubMed, DOI )

  40. Kusama, T; Kiuchi, S; Umehara, N; Kondo, K; Osaka, K; Aida, J. The deterioration of oral function and orofacial appearance mediated the relationship between tooth loss and depression among community-dwelling older adults: A JAGES cohort study using causal mediation analysis JOURNAL OF AFFECTIVE DISORDERS. 2021.05; 286 174-179. ( PubMed, DOI )

  41. Does public transportation reduce inequalities in access to dental care among older adults? Japan Gerontological Evaluation Study. 2020.04; 48 (2): 109-118. ( PubMed, DOI )

  42. Is the Association between Green Tea Consumption and the Number of Remaining Teeth Affected by Social Networks?: A Cross-Sectional Study from the Japan Gerontological Evaluation Study Project. 2020.03; 17 (6): 2052. ( PubMed, DOI )

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Conference Activities & Talks 【 display / non-display 】

  1. Khairinisa Safira, Matsuyama Yusuke, Kiuchi Sakura, Aida Jun. インドネシアの歯科受診格差における健康保険による媒介効果(Health insurance's mediating effect on Indonesian dental utilization inequality). 日本公衆衛生学会総会抄録集 2024.10.01

  2. Sharmin Farzana, Matsuyama Yusuke, Kino Shiho, Kiuchi Sakura, Kondo Katsunori, Aida Jun. ソーシャルネットワークと口腔衛生の健康行動における性差(Gender differences in health behavior between social network and oral health). 日本公衆衛生学会総会抄録集 2024.10.01

  3. Abbas Hazem, Aida Jun, Yamamoto Takafumi, Kiuchi Sakura, Takeuchi Kenji, Yamada Satoru, Ono Sachiko, Osaka Ken. 口腔健康状態と認知障害　系統的考察(Oral health conditions and cognitive impairment: A systematic review). 口腔衛生学会雑誌 2020.03.01

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