15 June 2020: Laboratory Research
Discoloration of Resin Composites Induced by Coffee and Tomato Sauce and Subjected to Surface Polishing: An Study
Cendrella Assaf ABCDEFG* , Philippe Abou Samra ABDEF , Paul Nahas ABCDEFGDOI: 10.12659/MSMBR.923279
Med Sci Monit Basic Res 2020; 26:e923279
Table 2 Mean (standard deviation) of color change value ΔE.
| Resin composite | Immersion period | Staining solution | P-value | ||
|---|---|---|---|---|---|
| Distilled water | Coffee | Tomato sauce | |||
| G-aenial | 3 Days | 1.499 (0.53) | 4.383 (1.09)* | 1.430 (0.73) | 0.00010 |
| 30 Days | 2.484 (0.67) | 7.557 (1.91)* | 4.000 (1.32)* | 0.00020 | |
| 45 Days | 2.431 (1.41) | 8.103 (3.63)* | 5.297 (1.27)* | 0.00020 | |
| 60 Days | 2.599 (1.94) | 7.862 (1.03)* | 5.363 (1.93)* | 0.00018 | |
| 75 Days | 2.553 (0.62) | 8.674 (1.93)* | 7.737 (1.76)* | 0.00021 | |
| Harmonize | 3 Days | 2.425 (0.28) | 4.845 (0.89)* | 3.290 (0.69) | 0.00013 |
| 30 Days | 3.226 (0.49) | 5.096 (0.64)* | 4.459 (1.49)* | 0.00150 | |
| 45 Days | 2.190 (0.67) | 5.286 (1.44)* | 3.702 (2.23) | 0.05790 | |
| 60 Days | 2.964 (0.94) | 4.874 (1.52)* | 4.139 (1.85)* | 0.00520 | |
| 75 Days | 2.270 (0.87) | 4.764 (1.28)* | 3.801 (0.85) | 0.00030 | |
| Filtek™ Z250 | 3 Days | 3.926 (1.31) | 4.275 (1.34)* | 3.752 (1.09) | 0.65540 |
| 30 Days | 3.827 (1.18) | 4.879 (1.30)* | 4.558 (1.54)* | 0.25500 | |
| 45 Days | 3.905 (1.47) | 5.093 (1.49)* | 3.558 (1.19) | 0.04800 | |
| 60 Days | 3.992 (0.78) | 5.671 (1.50)* | 4.706 (1.67)* | 0.03670 | |
| 75 Days | 4.290 (2.28)* | 5.741 (2.25)* | 4.197 (1.31)* | 0.76200 | |
| * Indicates clinically unacceptable values (Δ ≥4). Grouped values with the same superscript are not statistically different ( | |||||