Paediatric & MIH Study ✓ Peer reviewed

Screen Time, Dental Caries, and Oral Health-Related Quality of Life in Adolescents Living in Deprived Neighbourhoods in Manaus, Brazil: A Two-Year Follow-Up Study.

Community dentistry and oral epidemiology · Rego IN, Rebelo MAB, Vettore MV, Rebelo Vieira JM · 2026-09-25

A 2-year study of Brazilian adolescents found that increased screen time directly predicted higher dental caries incidence and poorer oral health-related quality of life, with sugar consumption acting as a pathway linking screen time to caries development.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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