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Prevention of S. mutans biofilm formation by antimicrobial polymers.
After 24 h incubation with PE0 (A), PE31 (B) or chlorhexidine (CHX) (C), the formation of biofilm was determined by CV staining (filled markers), and planktonic bacterial growth in solution was determined by OD600 (opened markers), relative to solvents as 100% (0.001% acetic acid for PE0 and PE31 and water for CHX).
