Oral health-related quality of life determinants throughout adolescence: a cohort study in Brazil.

Purpose: Oral health-related quality of life (OHRQoL) is a complex construct that reflects the interaction among well-being, socioeconomic, oral health status, and also contextual factors. This study aimed to verify the association between poorer socioeconomic background and oral health condition on OHRQoL throughout adolescence.

Methods: A cohort study followed a random sample of 1134 participants aged 12 years in 2012 (T1), 770 adolescents with an average age of 14 years in 2014 (T2; retention rate, 67.