“…In contrast to our results, other studies have shown significantly higher levels of TAC in dental caries [Tulunoglu et al, 2006;Hegde et al, 2009;Preethi et al, 2010;Dodwad et al, 2011;Kumar et al, 2011;Ahmadi-Motamayel et al, 2013;Mahjoub et al, 2014]. This difference might be attributed to the study population, sample size, the method of case selection or very high levels of oxidative stress, in which antioxidants cannot increase.…”