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Associations of Internet Use with Oral Hygiene Based on National Youth Risk Behavior Survey
J Korean Acad Child Adolesc Psychiatry 2018;29(1):26-30
Published online January 1, 2018
© 2018 Korean Academy of Child and Adolescent Psychiatry.

Subin Park1 and Jung Hyun Lee2

1Department of Research Planning, Mental Health Research Institute, National Center for Mental Health, Seoul, Korea
2Department of Psychiatry, National Center for Mental Health, Seoul, Korea
Correspondence to: Jung Hyun Lee, Department of Psychiatry, National Center for Mental Health, 127 Yongmasan-ro, Gwangjin-gu, Seoul 04933, Korea
Tel: +82-2-2204-0136, Fax: +82-2-2204-0280, E-mail:
Received August 31, 2017; Revised October 7, 2017; Accepted October 25, 2017.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objectives: To investigate the association of problematic Internet use with oral health behaviors and oral health status in a nationally representative sample of Korean adolescents.
Methods: Data from the 2010 Korea Youth Risk Behavior Web-based Survey (73238 Korean adolescents; mean age 15.06±1.75 years; age range, 12–18 years) were used. Problematic Internet use was measured using the Korean Internet Addiction Proneness Scale for Youth-Short Form. Self-report questionnaires were used to assess oral health behaviors and oral health status of adolescents.
Results: Problematic Internet users were less likely to brush their teeth frequently [adjusted odds ratio (AOR)=0.59; 95% confidence interval (CI)=0.56–0.63] and at school after lunch (AOR=0.89; 95% CI=0.83–0.94) as well as more likely to perceive their oral health to be poorer (AOR=1.63, 95% CI=1.54–1.72) and experience oral symptoms (AOR=1.75, 95% CI=1.65–1.86) compared to usual Internet users.
Conclusion: The study results indicate that problematic Internet use may adversely affect the oral health of Korean adolescents. Thus, oral health screening and Internet-based education are needed for adolescents experiencing problematic Internet use.
Keywords : Oral health; Problematic Internet use; Adolescents; Korea.

January 2018, 29 (1)
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