Table 1.

Products and their compositions

Group	Product and manufacturer	Composition	Instruction
LZ	Listerin Zero® formulation Johnson & Johnson Consumer Inc.	sodium fluoride 0.02% (0.01% w/v fluoride ion), water, sorbitol solutio, propylene glycol, poloxamer 407, sodium lauryl sulfate flavor, sodium benzoate phosphoric acid, eucalyptol, methyl salicylate, thymol, sodium saccharin, menthol, disodium phosphate, sucralose, FD&C Red No. 40, FD&C Blue No. 1	All of the participants were instructed to refrain from using any other means of oral hygiene during the experimental period. All of the participants were instructed to rinse twice per day, in the morning and in the evening, with 15 mL of solution for 60 s. Subsequent rinsing with water was not allowed.
EO+	Listerine Difesa Denti e Gengive® formulation Johnson & Johnson Consumer Inc.	eucalyptol 0.092%; menthol 0.042%; methyl salicylate 0.060%; thymol 0.064%. water, alcohol (21.3%), sorbitol, benzoic acid, poloxamer 407, sodium benzoate, sodium saccharin, sodium fluoride, CI 47005, CI 42053.
CHX	Meridol Clorexidina 0.2% Gaba International AG	Aqua, glycerin, sorbitol, PEG-40 hydrogenated castor oil, clorhexidine digluconate, aroma, citric acid, CI 42051.
Saline		Hydro non-alcoholic solution flavored with thyme oil (8 drops per liter of water)