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

International Journal of Environmental Research and Public Health

Manabu Morita¹  MdMonirul Islam¹  Momoko Nakahara¹  Toshiki Yoneda¹  Kouta Kataoka¹  Daisuke Ekuni¹  Yoko Uchida-Fukuhara¹  Naoki Toyama¹  Nanami Sawada¹  Hikari Saho¹  Junya Deguchi¹  Daiki Fukuhara²  Aya Yokoi²  Yukiho Nakashima²  Ayano Taniguchi-Tabata²  Yoshiaki Iwasaki³ 

[1] Department of Preventive Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan;Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan;Health Service Center, Okayama University, Okayama 700-8530, Japan;

关键词: secondhand smoke;    dental caries;    permanent dentition;    young adult;   

DOI  :  10.3390/ijerph17228623

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown