Research Article
Cytotoxicity and Antibacterial Activity of Mineral Trioxide Aggregate Cement with Radiopacity Introduced by ZrO2
Table 7
Percentage of viable L929 cells after the direct and indirect contact with the tested circles, in vitro.
| | Time (h) | Material | Direct contact | Indirect contact | | Living cells (%) | ±SD | Living cells (%) | ±SD |
| | 24 | C | 91.0 | 0.9 | 97.8 | 2.1 | | (C + ZrO2)/600°C | 86.7 | 2.0 | 92.2 | 2.7 | | C+(ZrO2/600°C) | 76.9 | 1.5 | 80.0 | 1.4 |
| | 48 | C | 90.2 | 8.1 | 104 | 9.9 | | (C + ZrO2)/600°C | 84.7 | 4.3 | 99.8 | 8.5 | | C+(ZrO2/600°C) | 76.8 | 0.1 | 93.5 | 0.9 |
| | 72 | C | 82.2 | 6.8 | 92.5 | 8.4 | | (C + ZrO2)/600°C | 81.4 | 2.0 | 98.3 | 8.2 | | C+(ZrO2/600°C) | 86.2 | 3.3 | 55.2 | 5.3 |
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