“…In the validation process of an instrument, it is necessary that its reliability and validity be demonstrated in populations of different age groups, sociodemographic conditions and oral health (Barbosa et al, 2010). In literature, studies assessed the psychometric properties of OHIP-14 (Awad, Al-Shamrany, Locker, Allen, & Feine, 2008;Cohen-Carneiro et al, 2010;Ferreira, Loureiro, & Araújo, 2004;Montero-Martín et al, 2009),and most were conducted with adults and seniors (Cohen-Carneiro et al, 2010;Montero-Martín et al, 2009;Zucoloto et al, 2014). There is a gap in relation to the validation of OHIP-14 in the adolescent population.…”