“…Saliva contains more than a 1,000 active peptides, which function in a complementary and synergistic fashion (Amerongen & Veerman, 2002;Ashcroft et al, 2000;Ghosh, Gupta, Jiang, & Weinberg, 2011;Prodan et al, 2015;Veerman, Oudhoff, & Brand, 2011). For example, the salivary protein histatin 1, which is only present in higher primates, has shown to have a positive influence on wound closure.…”