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

Table 2

Comparison of microhardness of nanohybrid composite resins according to mouthrinses and time.

Mouthrinses	Nanohybrid composite resins (media ± SD)
	Filtek Z350XT			Tetric EvoCeram			Polofil NHT
	Baseline	14 days	21 days	Baseline	14 days	21 days	Baseline	14 days	21 days
Artificial saliva	80.91 ± 5.62^Aa	70.83 ± 7.69^ABb	66.30 ± 8.18^Bb	45.63 ± 2.24^Aa	40.59 ± 2.18^Aab	36.56 ± 2.36^Ab	80.61 ± 4.39^Aa	70.16 ± 4.09^Bb	64.63 ± 4.62^Bc
CHX al 0.12%	78.87 ± 6.50^Aa	70.25 ± 4.73^ABb	63.41 ± 3.37^BCc	43.53 ± 2.95^Aa	40.21 ± 2.72^Aa	37.61 ± 2.75^Aa	85.71 ± 0.92^Aa	69.48 ± 4.91^Bb	63.26 ± 4.87^Bc
CPC al 0.075%	76.11 ± 3.86^Aa	66.51 ± 4.21^Bb	57.16 ± 6.56^Cc	42.88 ± 2.39^Aa	40.34 ± 2.33^Aa	38.63 ± 1.88^Aa	83.08 ± 6.32^Aa	70.46 ± 7.90^Bb	62.38 ± 6.40^Bc
CHX 0.12% + CPC 0.05%	77.78 ± 4.00^Aa	78.29 ± 1.83^Aa	75.44 ± 3.15^Aa	43.65 ± 1.24^Aa	40.50 ± 2.31^Aa	40.06 ± 2.35^Aa	87.64 ± 5.64^Aa	85.56 ± 5.71^Aa	83.06 ± 4.34^Aa

Note: Different capital letters indicate significant differences by columns. Different lower-case letters indicate significant differences by rows (separate composite resins).