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Finds smartphone use worsens oral health behaviors in adolescents, suggesting mental health impacts.
Results: Longer smartphone use duration was significantly associated with poorer oral health behavior (β=-0.095,p<0.001).Adolescents with higher levels of smartphone use showed lower rates of tooth brushing, flossing, scaling, and dental check-ups.Stress, sleep insufficiency, and depressive experience exerted significant partial mediating effects, with depressive experience demonstrating the strongest indirect effect. Conclusion:Excessive smartphone use negatively affects oral health behaviors directly and indirectly through mental health factors.
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Seong et al. (2026) studied this question.
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