Community Dentistry and Oral Epidemiology
Screen Time, Juice Consumption, Caregiver‐Assisted Toothbrushing and Dental Caries at Age 3 Years: A Population‐Based Cohort Study in Japan
ABSTRACT Objectives To examine whether screen time at age 3 years was associated with dentist‐assessed dental caries, and whether regular juice consumption modified this association. Methods This population‐based retrospective cohort used linked municipal child health records at 18 months and 3 years in Okinawa, Japan (2014–2019). The outcome was any dental caries at age 3 years. Exposures were caregiver‐reported screen time (≤ 1, 1–2, > 2 h/day), regular juice consumption, caregiver‐assisted toothbrushing and brea …