Abstract
In this study, clinical samples and ATCC strains will be compared by evaluating the reduction and the resistance of periodontal bacteria after successive cycles of Photodynamic Therapy (PDT) curcumin, chlorin e6 and methylene blue mediated. These conditions will be tested both suspension and multiple species biofilm. Initially ATCC strains (Enterococcus faecalis (ATCC 29212), Fusobacteriu…