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Cytotoxicity of antimicrobial polymers and chlorhexidine (CHX) against human gingival fibroblasts (hGFs) (A) and periodontal ligament stem cells (PDLSCs) (B). Cell viability was determined against hGFs and PDLSCs after incubation with the polymers or chlorhexidine for 10 min, relative to solvents as 100% cell viability (0.001% acetic acid for PE0 and PE31 and water for CHX).
