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A Comparative Study of Periodontal Health Status between International and Domestic University Students in Japan

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  • Masanobu Abe

    (Division for Health Service Promotion, The University of Tokyo, Tokyo 113-0033, Japan
    Department of Oral & Maxillofacial Surgery, The University of Tokyo Hospital, Tokyo 113-8655, Japan)

  • Ai Ohsato

    (Division for Health Service Promotion, The University of Tokyo, Tokyo 113-0033, Japan)

  • Yuko Fujihara

    (Division for Health Service Promotion, The University of Tokyo, Tokyo 113-0033, Japan
    Department of Oral & Maxillofacial Surgery, The University of Tokyo Hospital, Tokyo 113-8655, Japan)

  • Kazuto Hoshi

    (Department of Oral & Maxillofacial Surgery, The University of Tokyo Hospital, Tokyo 113-8655, Japan)

  • Shintaro Yanagimoto

    (Division for Health Service Promotion, The University of Tokyo, Tokyo 113-0033, Japan)

Abstract

Background: In our previous study, international university students showed a significantly higher dental caries morbidity rate than domestic students. On the other hand, the periodontal health status of international university students has not been clarified yet. In this study, we compared the periodontal health status of international and domestic university students in Japan. Methods: We conducted a retrospective review of the clinical data of the university students that visited a dental clinic in the division for health service promotion at a university in Tokyo for screening between April 2017 and March 2019. Bleeding on probing (BOP), calculus deposition and probing pocket depth (PPD) were investigated. Results: The records of 231 university students (79 international and 152 domestic university students) were analyzed; 84.8% of international students were from Asian countries ( n = 67). The international university students showed a higher percentage of BOP than domestic students (49.4% and 34.2%, respectively: p < 0.05) and they showed more extensive calculus deposition (calculus grading score [CGS]) than domestic university students (1.68 and 1.43, respectively: p < 0.01), despite no significant difference in PPD. Conclusions: The current study shows that international university students have poorer periodontal health than domestic students in Japan, even though the result might include many uncertainties and possible biases. To prevent severe periodontitis in the future, regular checkups and thorough oral health care are essential for the university students, especially those from foreign countries.

Suggested Citation

  • Masanobu Abe & Ai Ohsato & Yuko Fujihara & Kazuto Hoshi & Shintaro Yanagimoto, 2023. "A Comparative Study of Periodontal Health Status between International and Domestic University Students in Japan," IJERPH, MDPI, vol. 20(5), pages 1-10, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:5:p:3866-:d:1076256
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    References listed on IDEAS

    as
    1. Masanobu Abe & Akihisa Mitani & Atsushi Yao & Kazuto Hoshi & Shintaro Yanagimoto, 2022. "Systemic Disorders Closely Associated with Malocclusion in Late Adolescence: A Review and Perspective," IJERPH, MDPI, vol. 19(6), pages 1-4, March.
    2. Masanobu Abe & Akihisa Mitani & Kazuto Hoshi & Shintaro Yanagimoto, 2020. "Large Gender Gap in Oral Hygiene Behavior and Its Impact on Gingival Health in Late Adolescence," IJERPH, MDPI, vol. 17(12), pages 1-8, June.
    3. Masanobu Abe & Akihisa Mitani & Atsushi Yao & Hideyuki Takeshima & Liang Zong & Kazuto Hoshi & Shintaro Yanagimoto, 2020. "Close Associations of Gum Bleeding with Systemic Diseases in Late Adolescence," IJERPH, MDPI, vol. 17(12), pages 1-9, June.
    4. Soo Hwan Byun & Sunki Lee & Sung Hun Kang & Hyo Geun Choi & Seok Jin Hong, 2020. "Cross-Sectional Analysis of the Association between Periodontitis and Cardiovascular Disease Using the Korean Genome and Epidemiology Study Data," IJERPH, MDPI, vol. 17(14), pages 1-12, July.
    5. Masanobu Abe & Akihisa Mitani & Atsushi Yao & Liang Zong & Chun-Dong Zhang & Kazuto Hoshi & Shintaro Yanagimoto, 2022. "Oral Health in Japan: State-of-the-Art and Perspectives," IJERPH, MDPI, vol. 19(14), pages 1-4, July.
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