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 Wadei ABCDEFG*DOI: 10.12659/MSM.939341
Med Sci Monit 2023; 29:e939341
Table 5 ANOVA interaction of tested parameters in relation to material thickness and immersion materials.
| Ra changes | |||||
|---|---|---|---|---|---|
| Source | Type III sum of squares | Df | Mean square | F | Sig. |
| Intercept | 0.120 | 1 | 0.120 | 62.313 | |
| Immersion materials | 0.21 | 2 | 0.010 | 5.315 | |
| Ceramic thickness | 0.000 | 0 | – | ––– | ––– |
| Immersion materials × ceramic thickness | 0.000 | 0 | – | – | – |
| Error | 0.052 | 27 | 0.002 | – | – |
| Rz changes | |||||
| Immersion materials | 18.060 | 2 | 9.030 | 1.350 | 0.269 |
| Ceramic thickness | 40.439 | 1 | 40.439 | 6.046 | |
| Immersion materials × ceramic thickness | 67.538 | 2 | 33.769 | 5.049 | |
| Error | 321.066 | 48 | 6.689 | ||
| Δ changes | |||||
| Immersion materials | .001 | 2 | 0.001 | 9.962 | |
| Ceramic thickness | .001 | 1 | 0.001 | 18.826 | |
| Immersion materials × ceramic thickness | .001 | 2 | 0.001 | 10.850 | |
| Error | .003 | 48 | 5.386E-5 |