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Viable Sm and Ss in the biofilms on different materials (A – nanoparticle resin composite Filtek Z350, B – Zinc phosphate cement, C – glass ionomer cement, D – Infiltrant resin, E – mineral trioxide aggregate (MTA), F – iRoot SP root canal sealer, G – iRoot BP root canal sealer, H – iRoot FS root canal sealer, I – AH Plus sealer). Data are expressed as the mean ±SD, * P<0.05, ** P<0.01.
