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Mean (SD) of optical density after 7 days of treatment in different depths (NCH=nanoparticle calcium hydroxide)
| Tubular depth (µm) | CH | NCH | Control |
|---|---|---|---|
| 0 | 0.87 (0.12) | 0.80 (0.08) | 1.17 (0.21) |
| 200 | 0.82 (0.08) | 0.70 (0.12) | 1.14 (0.07) |
| 400 | 0.76 (0.14) | 0.68 (0.09) | 1.11 (0.14) |
