07 February 2023 : Database Analysis
Comparison of the Degree of Staining of Computer-Aided Design-Computer-Aided Manufacture (CAD-CAM) Ceramic Veneers by Green Tea, Coffee, and Coca-Cola Using a Digital Spectrophotometer
Mohammed H.D. Al WadeiDOI: 10.12659/MSM.939341
Med Sci Monit 2023; 29:e939341
Table 3 Bonferroni test to measure mean surface and color changes.
| Ceramic thickness | Immersion materials | Tea | Coffee | Coca-Cola |
|---|---|---|---|---|
| Ra change | ||||
| 0.07 mm Ra | Tea | ----- | 0.258 | 0.000* |
| Coffee | 0.258 | ----- | 0.000* | |
| Coca-Cola | 0.000* | 0.000* | ----- | |
| 1.00 mm Ra | Tea | ----- | 0.125 | 0.065 |
| Coffee | 0.125 | ----- | 0.000* | |
| Coca-Cola | 0.065 | 0.000* | ----- | |
| Rz change | ||||
| 0.07 mm Rz | Tea | ----- | 1.000 | 0.000* |
| Coffee | 1.000 | ----- | 0.000* | |
| Coca-Cola | 0.000* | 0.000* | ----- | |
| 1.00 mm Rz | Tea | ----- | 1.000 | 0.000* |
| Coffee | 1.000 | ----- | 0.000* | |
| Coca-Cola | 0.000* | 0.000* | ----- | |
| Δ change | ||||
| 0.07 mm Δ | Tea | ----- | 0.000* | 0.000* |
| Coffee | 0.000* | ----- | 0.290 | |
| Coca-Cola | 0.000* | 0.290 | ----- | |
| 1.00 mm Δ | Tea | ----- | 0.224 | 0.320 |
| Coffee | 0.224 | ----- | 0.126 | |
| Coca-Cola | 0.320 | 0.126 | ----- | |






