“…According to the 3rd Brazilian National Survey of Scholar Health, conducted in 2015, the percentage of alcohol, tobacco, and illicit drug use reached values of 72.1%, 26%, and 14.3% for adolescents and young adults, respectively (Bastos et al, 2017). Recent systematic reviews have shown that this consumption has the potential to increase the development of oral diseases, such as dental caries, periodontitis, dental trauma, cancer, and other oral pathologies (Jiang et al, 2019; Magno et al, 2019; Pesce et al, 2022; Sacco et al, 2021). Biologically, nicotine can impair the host's protective response against the bacterial biofilm, producing increased cytokines, inflammatory enzymes, and a higher adhesion of Streptococcus Mutans to bacterial plaque (Chanea & Palmire, 2014; Pesce et al, 2022).…”