Table 2.
Radiopacity for MTA-like cements prepared by 30 min as-milled (Bi2O3)95(ZrO2)5 powder (coded as B5Z-30m) and stored at ambient (AT), dry box (DB), and glove box (GB) conditions.
| Sample Condition | Storage Period # | Radiopacity * |
|---|---|---|
| B5Z-30m | 0D | 5.82 ± 0.33 |
| AT | 7D | 5.27 ± 0.11 |
| 14D | 5.27 ± 0.08 | |
| 28D | 4.89 ± 0.10 | |
| DB | 7D | 5.61 ± 0.14 |
| 14D | 5.42 ± 0.05 | |
| 28D | 5.13 ± 0.10 | |
| GB | 7D | 5.67 ± 0.05 |
| 14D | 5.66 ± 0.03 | |
| 28D | 5.76 ± 0.08 |
#: Day is abbreviated as D. 0D-28D indicates different storage period. *: The radiopacity is given as mean ± standard deviation.