Table 1.

Denture cleaning solution preparation and immersion protocol.

Solution/manufacturer	Composition	Preparation/temperature	Time/day	Total immersion time (12 months)
Water	—	—	8 hours	2880 hours
				6 months; 1440 h
				12 months; 2880 h
Corega	Potassium monopersulfate; sodium bicarbonate; sodium lauryl sulfoacetate; sodium perborate monohydrate; sodium polyphosphate	One tablet dissolved in 200 mL of warm tap water (40°C)	3 minutes	(18 hours)
				6 months; 9 h
				12 months; 18 h
Fittydent	Sodium perborate, sodium bicarbonate, potassium monopersulfate, trisodium phosphate, PEG-240, sulfamic acid, PVP, TAED, silica, sodium methyl oleoyl taurate, cellulose-lactose, color C.I. 42090, aroma	One tablet dissolved in 200 mL of warm tap water (40°C)	5 minutes	(30 hours)
				6 months; 15 h
				12 months; 30 h
NaOCI	5.25% NaOCl (1 : 1 ratio of sodium and chloride ions) diluted 1 : 10 in tap water	Solution of 5.25% sodium hypochlorite (NaOCl, 1 : 5 dilution) was diluted to obtain 1% NaOCl solution by adding 50 mL NaOCl to 200 mL water	10 minutes	(60 hours)
				6 months; 30 h
				12 months; 60 h