Antimicrobial Activity of Thermocycled Polymethyl Methacrylate Resin Reinforced with Titanium Dioxide and Copper Oxide Nanoparticles

Table 2

Means ± standard deviations, biofilm inhibition (%), and multiple comparisons of optical density of the study groups for Candida species.

Groups	Factors	Candida species
		C. albicans	C. dubliniensis
2.5% TiO2	Optical density	1.98 ± 0.16^a,b	0.84 ± 0.07^a
	Biofilm inhibition	3 %	46%
7.5% TiO2	Optical density	1.43 ± 0.18^a	0.74 ± 0.08^a,b
	Biofilm inhibition	31%	56%
2.5% CuO	Optical density	1.81 ± 0.12^a,b	0.54 ± 0.08^a,b
	Biofilm inhibition	13%	66%
7.5% CuO	Optical density	1.72 ± 0.11^a,b	0.42 ± 0.10^b
	Biofilm inhibition	18%	73%
Control	Optical density	2.04 ± 0.12^b	1.62 ± 0.14^c

Vertically within groups, different superscript lowercase letters indicate significant differences between groups in the same column ( ≤ 0.05).