Fig. 6From: pH-dependent delivery of chlorhexidine from PGA grafted mesoporous silica nanoparticles at resin-dentin interfacea MTT assay showing relative percentage of S. mutans biofilm viability at 24Â h and 30Â days; b percentage of DPSCs viability. c The results of MMP-8 and cathepsin K concentrationsBack to article page