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Open AccessArticle

Impact of School-Based Oral Health Education on Vietnamese Adolescents: A 6-Month Study

1
Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
2
Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, Hue 530000, Vietnam
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Int. J. Environ. Res. Public Health 2021, 18(5), 2715; https://doi.org/10.3390/ijerph18052715
Received: 12 February 2021 / Revised: 3 March 2021 / Accepted: 5 March 2021 / Published: 8 March 2021
(This article belongs to the Section Oral Health)
We have evaluated the impact of a school-based intervention on oral health knowledge, behaviours, and oral health status of adolescents in Vietnam. This 6-month study included 462 adolescents aged 12 years from four selected schools in Hue City, Vietnam. The intervention group received a 15-min lecture by a dentist and hands-on session on mouth observation and toothbrushing skills. The control group did not engage in any educational activities during the follow-up period. Data were collected at baseline and 6 months through a survey questionnaire and clinical examination. The Debris Index was used for dental plaque; the Papillary, Marginal, Attached gingiva index for gingivitis; and the Decayed, Missing, and Filled Teeth index (World Health Organization modification) for dental caries. Difference-in-difference analysis was used to compare changes between the groups. After 6 months, the control tended to show decreased toothbrushing frequency and increased dental plaque accumulation. The participants in the intervention group showed improved oral health knowledge (p < 0.01), behavior (p < 0.05), and hygiene (p < 0.001) compared to the control group. However, the intervention did not improve dental caries and gingivitis. A single school-based oral health education program can help adolescents improve oral health knowledge and prevent the deterioration of short-term oral health behavior and hygiene. View Full-Text
Keywords: health education; secondary schools; oral hygiene; adolescent; Vietnam health education; secondary schools; oral hygiene; adolescent; Vietnam
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MDPI and ACS Style

Nguyen, V.T.N.; Zaitsu, T.; Oshiro, A.; Tran, T.T.; Nguyen, Y.H.T.; Kawaguchi, Y.; Aida, J. Impact of School-Based Oral Health Education on Vietnamese Adolescents: A 6-Month Study. Int. J. Environ. Res. Public Health 2021, 18, 2715. https://doi.org/10.3390/ijerph18052715

AMA Style

Nguyen VTN, Zaitsu T, Oshiro A, Tran TT, Nguyen YHT, Kawaguchi Y, Aida J. Impact of School-Based Oral Health Education on Vietnamese Adolescents: A 6-Month Study. International Journal of Environmental Research and Public Health. 2021; 18(5):2715. https://doi.org/10.3390/ijerph18052715

Chicago/Turabian Style

Nguyen, Vy T.N.; Zaitsu, Takashi; Oshiro, Akiko; Tran, Tai T.; Nguyen, Yen H.T.; Kawaguchi, Yoko; Aida, Jun. 2021. "Impact of School-Based Oral Health Education on Vietnamese Adolescents: A 6-Month Study" Int. J. Environ. Res. Public Health 18, no. 5: 2715. https://doi.org/10.3390/ijerph18052715

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