“…Especially, the combination of amoxicillin trihydrate (AMX) and metronidazole (MTZ) appears to be highly effective by in vitro studies (Cionca, Giannopoulou, Ugolotti, & Mombelli, 2009, Ehmke, Moter, Beikler, Milian, & Flemmig, 2005, 2010; Feres et al, 2012, Goodson et al, 2012). Most of the previous studies evaluated the effects of antibiotics from clinical standpoint, and very few reports actually assessed antibiotic effects from systemic inflammatory responses.…”