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Experimental validation of an AI-driven digital healthcare platform for oral health behavior and plaque assessment among vietnamese children.

Ji-Na Lim·Vo Truong Nhu Ngoc·Tuan Manh Vu·Jae-Young Lee
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Abstract

BACKGROUND: Oral health among children in developing countries, including Vietnam, remains a significant public health concern. Innovative approaches leveraging artificial intelligence AI-based digital health platforms may offer effective strategies for managing dental plaque and promoting better oral hygiene behaviors among school-aged children. This study aimed to evaluate the effectiveness of an AI-driven oral healthcare platform (Denti-i Vietnam) in improving oral hygiene and behavioral outcomes among Vietnamese primary school students. METHODS: A total of 204 primary school students aged 8-10&#xa0;years in Hanoi, Vietnam, participated in this experimental study. Participants were randomly assigned to an intervention group (n&#xa0;=&#xa0;107), which used the AI-driven oral healthcare platform, and a comparison group (n&#xa0;=&#xa0;97), which received traditional oral health education via pamphlets. Oral health behaviors, dental plaque levels (Simplified Oral Hygiene Index; OHI-S), and caries indices (dft/DMFT) were assessed at baseline and after the intervention period. RESULTS: The intervention group demonstrated a significant reduction in the OHI-S score compared to baseline (2.49&#xa0;&#xb1;&#xa0;0.60 to 1.70&#xa0;&#xb1;&#xa0;0.76, p&#xa0;<&#xa0;0.001), particularly in the debris component, indicating enhanced plaque control. Notable improvements were also observed in oral hygiene behaviors, including increased frequency of toothbrushing before and after breakfast (p&#xa0;<&#xa0;0.01) and more frequent parental assistance during brushing (p&#xa0;=&#xa0;0.03). Furthermore, parental awareness of dental caries significantly increased in the intervention group (p&#xa0;=&#xa0;0.001). CONCLUSIONS: The AI-driven oral healthcare platform significantly improved both oral hygiene behaviors and plaque control among Vietnamese primary school children. These findings suggest that AI-driven digital health tools can serve as practical and scalable solutions for promoting oral health in developing countries.

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HumansChildVietnamFemaleDental PlaqueMaleDigital HealthOral HealthOral HygieneArtificial IntelligenceHealth BehaviorDental CariesArtificial intelligenceChildrenDental plaqueDigital healthOral healthJournal ArticleRandomized Controlled TrialValidation Study

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Ji-Na Lim, Vo Truong Nhu Ngoc, Tuan Manh Vu, Jae-Young Lee. 2026-06-18. Experimental validation of an AI-driven digital healthcare platform for oral health behavior and plaque assessment among vietnamese children.. https://doi.org/10.1016/j.ymeth.2026.05.015

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Artificial Intelligence subjectChild subjectChildren subjectDental Caries subjectDigital Health subjectFemale subjectHealth Behavior subjectHumans subjectJournal Article subjectMale subjectOral Health subjectRandomized controlled trials study

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