Table 1.
Histomorphometric analysis of Remaining dentin thickness (RDT, μm).
| Group | Specimen | Cavity Depth |
|
|---|---|---|---|
| 2000 μm (2 mm) | 2500 μm (2.5 mm) | ||
| Glass ionomer cement (A) | 1 | 1023 | 505 |
| 2 | 1200 | 688 | |
| 3 | 543 | 132 | |
| 4 | 801 | 344 | |
| 5 | 910 | 266 | |
| Mean ± standard deviation | 895.40 ± 246.16a | 387.00 ± 215.66 | |
| SDR plus bulk fill flowable composite (B) | 1 | 924 | 413 |
| 2 | 901 | 288 | |
| 3 | 1046 | 512 | |
| 4 | 895 | 301 | |
| 5 | 835 | 302 | |
| Mean ± standard deviation | 920 ± 77.63 | 363.20 ± 97.33 | |
| Silver Amalgam (C) | 1 | 1044 | 564 |
| 2 | 1023 | 301 | |
| 3 | 937 | 427 | |
| 4 | 801 | 215 | |
| 5 | 695 | 225 | |
| Mean ± standard deviation | 900 ± 149.21 | 346.40 ± 148.25 | |
| Dycal (D) | 1 | 1002 | 289 |
| 2 | 1195 | 621 | |
| 3 | 805 | 312 | |
| 4 | 1100 | 512 | |
| Mean ± standard deviation | 1025.50 ± 166.79 | 433.50 ± 160.17 | |
a
RDTs are not statistically different among groups at specified same cavity depths (ANOVA, p > 0.05).