. 2021 May 13;2021:5560443. doi: 10.1155/2021/5560443

Table 2.

Means, standard deviations, and p-values for heat-polymerized specimens modified with different concentrations of ZrO₂NPs according to concentration.

Concentration of ZrO₂NPs (%)	Time	Candida count (CFU)		Surface roughness (μm)		Contact angle (°)
Concentration of ZrO₂NPs (%)	Time	Mean (SD)	p-value	Mean (SD)	p-value	Mean (SD)	p-value
0	T₀	2069.4 (60.9)	0.000^∗	0.15 (0.01)^a	0.031^∗	92.98 (1.1)	0.003^∗
	T₁	1971.5 (17.6)^a		0.16 (0.01)^a,b		91.27 (1.2)^a
	T₂	1953.9 (30.2)^a		0.17 (0.01)^b		91.29 (1.1)^a

1	T₀	1085.6 (42.6)^a	0.002^∗	0.19 (0.01)	0.648	80.74 (1.3)	0.103
	T₁	1429.1 (36.9)		0.19 (0.01)		80.15 (1.5)
	T₂	1051.7 (28.8)^a		0.19 (0.01)		79.43 (1.2)

2.5	T₀	781.8 (13.6)	0.000^∗	0.23 (0.01)	0.258	79.39 (1.2)^a	0.042^∗
	T₁	655.2 (31.5)		0.23 (0.01)		78.41 (1.4)^a,b
	T₂	584.1 (18.4)		0.23 (0.01)		77.62 (1.7)^b

5	T₀	384.1 (13.0)^a	0.000^∗	0.25 (0.01)^a	0.004^∗	77.39 (1.4)	0.255
	T₁	379.3 (20.0)^a		0.26 (0.01)^a,b		78.47 (1.4)
	T₂	317.2 (10.5)		0.27 (0.01)^b		77.87 (1.5)

Variation in time was studied at different concentrations intervals vertically: (T₀, T₁, T₂) of 7, 14, and 30 days, respectively. Same alphabets showed insignificant results in pairwise comparison. ^∗(p > 0.05) was considered statistically insignificant.