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

Author

Listed:
  • Vy Thi Nhat Nguyen

    (Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
    Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, Hue 530000, Vietnam)

  • Takashi Zaitsu

    (Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan)

  • Akiko Oshiro

    (Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan)

  • Tai Tan Tran

    (Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, Hue 530000, Vietnam)

  • Yen Hoang Thi Nguyen

    (Faculty of Odonto-Stomatology, Hue University of Medicine and Pharmacy, Hue University, Hue 530000, Vietnam)

  • Yoko Kawaguchi

    (Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan)

  • Jun Aida

    (Department of Oral Health Promotion, Tokyo Medical and Dental University, Tokyo 113-8510, Japan)

Abstract

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.

Suggested Citation

  • Vy Thi Nhat Nguyen & Takashi Zaitsu & Akiko Oshiro & Tai Tan Tran & Yen Hoang Thi Nguyen & Yoko Kawaguchi & Jun Aida, 2021. "Impact of School-Based Oral Health Education on Vietnamese Adolescents: A 6-Month Study," IJERPH, MDPI, vol. 18(5), pages 1-12, March.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:5:p:2715-:d:512682
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    References listed on IDEAS

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