, Amoxicillin was effective in inhibiting planktonic bacterial growth at low concentrations and all the bacteria would be considered susceptible based upon EUCAST breakpoints
, Bacterial biofilms were readily formed by E. faecalis, most of Streptococcus, C. acnes and E. coli on the CBD, vol.4, p.10
, Regarding Streptococcus gender, 2/4 S. dysgalactiae strains were not able to form biofilm under our experimental conditions (< 5000 CFU/pegs)
, Two S. dysgalactiae MBEC ranged from 0.031 to 0.062 mg/L, which is comparable to their MIC (0.023 to 0.032 mg/L). Duplicates are being run to determine the missing Streptococcus MBEC. MBEC measured for C. acnes ranged from 0, Amoxicillin was effective in killing biofilm bacteria at relatively low concentrations for 3 Streptococcus and Cutibacterium acnes
, For the E. coli, MBEC was equal to the MIC whereas in literature E. coli ATCC 25922 MBEC is described to be a hundred times higher than the MIC (48). Our results for ATCC E, contrast, E. faecalis MBEC ranged from 64 to 128 mg/L, which is 100 times higher than the MICs (ranging from 0.38 to 1 mg/L)
, Regarding BPC, concentrations ranged from 0.5 to 1 mg/L for E. faecalis. These values are comparable to MIC (0.38 to 1 mg/L). For C. acnes, BPC are very high ranging from 2 to 256 mg/L. Moreover, a biofilm induction
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