In Vitro Effect of Mouthrinses on the Microhardness of Three Different Nanohybrid Composite Resins

Table 1

Description of the materials of the experiment.

Material	Composition	Manufacturer	Batch
Rinses
Periogard	Chlorhexidine digluconate at 0.12%; water; glycerin; PEG-40; flavoring and sodium saccharin (alcohol free; pH 5.6)	Colgate Palmolive Ind.®	R1020
Colgate Plax	Cetylpyridine chloride at 0.075%; sodium fluoride 0.05% (225 ppm fluoride); water; glycerin; sorbitol; propylene glycol; poloxamer 407, potassium sorbate, menthol, and sodium saccharin (alcohol-free; pH 5.84)	Colgate Palmolive Ind.®	1040
Perio Aid	Chlorhexidine digluconate at 0.12%; cetylpyridine chloride at 0.05%; water; glycerin; xylitol; saccharin sodium; acesulfame potassium; neohesperidin (alcohol free; pH 6.2)	Dentaid	S1119
Nanohybrid resins
Filtek Z350XT	Bis-GMA, Bis- EMA, UDMA y TEGDMA. Filler loading is 72.5% by weight with a combination of nonagglomerated/nonaggregated 20 nm silica filler; nonagglomerated/nonaggregated 4–11 nm zirconia filler	3M ESPE®	NE41882
Tetric EvoCeram	Bis-GMA, UDMA, Ethoxylated Bis-EMA. The filler loading is 82%–83% by weight with barium aluminum silicate glass with two particle sizes, ytterbium trifluoride, and mixed oxide	Ivoclar Vivadent®	Z02X74
Polofil NHT	TEGDMA, UDMA, BisGMA. The filler loading is 88.7% with glass silicate, silica, camphor quinone, dabe, bht, silica, ferric oxide, titanium oxide, benzotriazole, and methylphenol	Voco®	2114441