Figure 2

Antibiofilm activity of Brazilian Red Propolis crude hydroalcoholic extract samples and number of viable cells in monospecies biofilms formed by ATCC strains and clinical isolates included in the study. (a) P. gingivalis (ATCC 49417). (b) P. gingivalis (clinical isolate). (c) P. intermedia (ATCC 15033). (d) P. intermedia (clinical isolate). (e) A. naeslundii (ATCC 19039). (f) F. nucleatum (clinical isolate).