Family cohesion and attention deficit exert an influence on visits to the dentist in early adolescence.

Objectives: To determine whether family environment, signs of attention deficit/hyperactivity disorder (ADHD) and oral health literacy (OHL) are associated with visits to the dentist in adolescents.

Methods: A school-based cross-sectional study was conducted with a representative sample of 448 12-year-old adolescents enrolled at schools in the city of Cajazeiras, Brazil. The adolescents answered a validated questionnaire addressing family cohesion and adaptability (FACES III), an OHL measure (Brazilian Rapid Estimate of Adult Literacy in Dentistry [BREALD-30]) and a questionnaire addressing the history of visits to the dentist and previous toothache experience. The parents answered a questionnaire addressing sociodemographic characteristics. Parents and teachers answered the inattention and hyperactivity/impulsivity subscales of the Swanson, Nolan & Pelham (SNAP-IV) questionnaire for the detection of signs of ADHD. Multiple Poisson regression with robust variance was used for data analysis (α = 5%).

Results: The prevalence of having visited a dentist some time in life was higher among adolescents with enmeshed (PR = 1.08; 95% CI: 1.01-1.15) and connected (PR = 1.06; 95% CI: 1.01-1.13) families and those with attention deficit according to parents' reports (PR = 1.09; 95% CI: 1.04-1.14). A family income higher than the Brazilian minimum wage (PR = 1.06; 95% CI: 1.01-1.12) and toothache in the previous six months (PR = 1.05; 95% CI: 1.01-1.11) were also associated with the outcome.

Conclusion: Family cohesion and attention deficit according to parental reports influenced visits to the dentist among adolescents. In contrast, OHL was not associated with the outcome.