Effect of Zirconium Oxide and Zinc Oxide Nanoparticles on Physicochemical Properties and Antibiofilm Activity of a Calcium Silicate-Based Material

Table 2

Mean and standard deviation values of the different cements tested.

Tests	PC	PC + ZrO2	PC + ZrO2 + ZnO (5%)	PC + ZrO2 + ZnO (10%)	Control
DCT-5 h (UFC)	5.84^a  ±  0.44	5.67^a  ±  0.67	5.90^a  ±  0.40	5.72^a  ±  0.36	7.11^b  ±  0.48
DCT-15 h (UFC)	5.07^a  ±  3.78	5.09^a  ±  0.15	5.06^a  ±  0.67	5.15^a  ±  0.46	6.85^b  ±  0.18
24 h compression strength (MPa)	32.11^a  ±  3.64	24.09^b  ±  1.22	0.58^c  ±  0.03	0.62^c  ±  0.06	—
21 d compression strength (MPa)	67.88^a  ±  7.35	57.43^b  ±  7.0	30.90^c  ±  5.32	27.83^c  ±  4.77	—
Radiopacity (mmAl)	1.15^c  ±  0.12	3.70^b  ±  0.06	3.50^b  ±  0.16	3.92^a  ±  0.18	—

Mean ± standard deviation.
Similar letters indicate statistical similarity ( 0.05).