Background/purpose: Root canal irrigants are difficult to diffuse deep into the dentinal tubules for root canal disinfection. The purpose of this study was to assess the ability of different diffusing enhancers to deliver chlorhexidine (CHX) into dentinal tubules. Materials and methods: The diffusing property of five diffusing enhancers (acetone. DMSO. https://fitnessgravesyardes.shop/product-category/leveler/