“…Regarding the frequency of toothbrush replacement, the higher frequency among non-Brazilian students, fact that contrasted with research involving African university students (Singh & Pottapinjara, 2017), was unexpected, since the type of toothbrush they often use seems harder, larger and more resistant than those sold in the Brazilian market, associated to the economic differences between African countries and Brazil. Furthermore, they also use other means to clean dental surfaces due to the influence of cultural aspects in each region and lower socioeconomic conditions (Okemwa, Gatongi, & Rotich, 2010;Carneiro, Kabulwa, Makyao, Mrosso, & Choum, 2011;Adib et al, 2015). Among Brazilian academics, the frequency of toothbrush replacement resembled the findings of Mohiuddin et al (2015) and Cruz et al (2015), besides being the frequency prescribed by literature.…”