Fig. 2From: Substantivity of mouth-rinse formulations containing cetylpyridinium chloride and O-cymen-5-ol: a randomized-crossover trialRepresentative micrographs of bacterial viability at baseline and 15 min, 1 h, and 4 h after a single use of mouth-rinse: placebo, CPC (0.05%), O-cymen-5-ol (0.09%) and CPC (0.05%) + O-cymen-5-ol (0.09%). Note: Green: viable bacteria; red: dead bacteria; large red cells: epithelial cellsBack to article page