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Association between Household Exposure to Secondhand Smoke and Dental Caries among Japanese Young Adults: A Cross-Sectional Study

Author

Listed:
  • Hikari Saho

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Ayano Taniguchi-Tabata

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Daisuke Ekuni

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Aya Yokoi

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Kouta Kataoka

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Daiki Fukuhara

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Naoki Toyama

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Md Monirul Islam

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Nanami Sawada

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Yukiho Nakashima

    (Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan)

  • Momoko Nakahara

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Junya Deguchi

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Yoko Uchida-Fukuhara

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Toshiki Yoneda

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

  • Yoshiaki Iwasaki

    (Health Service Center, Okayama University, Okayama 700-8530, Japan)

  • Manabu Morita

    (Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan)

Abstract

The long-term effects of secondhand smoke (SHS) on dental caries among Japanese young adults remain unclear. The purpose of this cross-sectional study was to evaluate whether household exposure to SHS is associated with dental caries in permanent dentition among Japanese young adults. The study sample included 1905 first-year university students (age range: 18–19 years) who answered a questionnaire and participated in oral examinations. The degree of household exposure to SHS was categorized into four levels according to the SHS duration: no experience (−), past, current SHS < 10 years, and current SHS ≥ 10 years. Dental caries are expressed as the total number of decayed, missing, and filled teeth (DMFT) score. The relationships between SHS and dental caries were determined by logistic regression analysis. DMFT scores (median (25th percentile, 75th percentile)) were significantly higher in the current SHS ≥ 10 years (median: 1.0 (0.0, 3.0)) than in the SHS—(median: 0.0 (0.0, 2.0)); p = 0.001). DMFT ≥ 1 was significantly associated with SHS ≥ 10 years (adjusted odds ratio: 1.50, 95% confidence interval: 1.20–1.87, p < 0.001). Long-term exposure to SHS (≥10 years) was associated with dental caries in permanent dentition among Japanese young adults.

Suggested Citation

  • Hikari Saho & Ayano Taniguchi-Tabata & Daisuke Ekuni & Aya Yokoi & Kouta Kataoka & Daiki Fukuhara & Naoki Toyama & Md Monirul Islam & Nanami Sawada & Yukiho Nakashima & Momoko Nakahara & Junya Deguchi, 2020. "Association between Household Exposure to Secondhand Smoke and Dental Caries among Japanese Young Adults: A Cross-Sectional Study," IJERPH, MDPI, vol. 17(22), pages 1-9, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:22:p:8623-:d:448201
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    References listed on IDEAS

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    1. Lourdes González-Valero & José María Montiel-Company & Carlos Bellot-Arcís & Teresa Almerich-Torres & José Enrique Iranzo-Cortés & José Manuel Almerich-Silla, 2018. "Association between passive tobacco exposure and caries in children and adolescents. A systematic review and meta-analysis," PLOS ONE, Public Library of Science, vol. 13(8), pages 1-16, August.
    2. Takashi Hanioka & Miki Ojima & Keiko Tanaka & Mito Yamamoto, 2011. "Does Secondhand Smoke Affect the Development of Dental Caries in Children? A Systematic Review," IJERPH, MDPI, vol. 8(5), pages 1-17, May.
    3. Karl Peltzer & Aroonsri Mongkolchati & Gamon Satchaiyan & Sunsanee Rajchagool & Taksin Pimpak, 2014. "Sociobehavioral Factors Associated with Caries Increment: A Longitudinal Study from 24 to 36 Months Old Children in Thailand," IJERPH, MDPI, vol. 11(10), pages 1-13, October.
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    Cited by:

    1. Daisuke Ekuni & Naoki Toyama & Yoshiaki Iwasaki & Manabu Morita, 2022. "New Method of Avoiding Underestimation of Caries Incidence and Its Association with Possible Risk Factors in Japanese University Students: A Prospective Cohort Study," IJERPH, MDPI, vol. 19(4), pages 1-12, February.

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