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Figure 4 | BMC Oral Health

Figure 4

From: Honey – a potential agent against Porphyromonas gingivalis: an in vitro study

Figure 4

Effect of propolis on formation as well as on a 42 h-old single-species biofilms of four Porphyromonas gingivalis strains. Propolis was added in two concentrations at the beginning of formation or on an already 42-h old biofilm. Colony forming units were determined each 6 h and 24 h after addition of propolis (CFU counts within biofilm; *p < 0.05; **p < 0.01 each compared to controls at the respective time).

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