Research Article
Zinc-Containing Hydroxyapatite Enhances Cold-Light-Activated Tooth Bleaching Treatment In Vitro
Table 3
The mean (and SD) of the changes in crystal size (nm) and crystallinity.
| | | Post-Cold-light bleaching vs
pre-cold-light bleaching | Post-pH cycling
versus
pre-pH cycling | Post-pH cycling treatment
versus
pre-cold-light bleaching
|
| | HA | −2.90 (2.17) | 2.75 (1.83) | −0.15 (0.13) | | Zn-HA | −2.85 (2.31) | 2.74 (1.97) | −0.12 (0.21) | | DW | −2.87 (1.66) | 0.12 (0.17) | −2.75 (1.97) |
|
|
Student’s t-test indicates a statistically significant difference ().
|
