Figure 1.
Pairwise two-sided multiple comparison analysis_
| Group | Wilcoxon Z | DSCF Value | p-value |
|---|---|---|---|
| ZirCAD + ZPrime Plus vs. Katana + ZPrime Plus | 1.5993 | 2.2618 | 0.6828 |
| ZirCAD + ZPrime Plus vs. Cercon + ZPrime Plus | 1.2095 | 1.7105 | 0.8908 |
| ZirCAD + ZPrime Plus vs. ZirCAD + Monobond | -0.3780 | 0.5345 | 0.9998 |
| ZirCAD + ZPrime Plus vs. Katana + Monobond | 2.2045 | 3.1177 | 0.2929 |
| ZirCAD + ZPrime Plus vs. Cercon + Monobond | -0.2268 | 0.3207 | 1.0000 |
| ZirCAD + ZPrime Plus vs. Comparison | -1.0662 | 1.5079 | 0.9379 |
| Katana + ZPrime Plus vs. Cercon + ZPrime Plus | -0.2666 | 0.3770 | 1.0000 |
| Katana + ZPrime Plus vs. ZirCAD + Monobond | -2.0436 | 2.8901 | 0.3870 |
| Katana + ZPrime Plus vs. Katana + Monobond | 1.0585 | 1.4969 | 0.9400 |
| Katana + ZPrime Plus vs. Cercon + Monobond | -2.3990 | 3.3927 | 0.1988 |
| Katana + ZPrime Plus vs. Comparison | -1.0502 | 1.4852 | 0.9422 |
| Cercon + ZPrime Plus vs. ZirCAD + Monobond | -1.2095 | 1.7105 | 0.8908 |
| Cercon + ZPrime Plus vs. Katana + Monobond | 1.0614 | 1.5011 | 0.9392 |
| Cercon + ZPrime Plus vs. Cercon + Monobond | -1.6630 | 2.3519 | 0.6409 |
| Cercon + ZPrime Plus vs. Comparison | -1.0662 | 1.5079 | 0.9379 |
| ZirCAD + Monobond vs. Katana + Monobond | 1.9596 | 2.7713 | 0.4407 |
| ZirCAD + Monobond vs. Cercon + Monobond | 0.3024 | 0.4276 | 0.9999 |
| ZirCAD + Monobond vs. Comparison | -1.0662 | 1.5079 | 0.9379 |
| Katana + Monobond vs. Cercon + Monobond | -2.6944 | 3.8105 | 0.0996 |
| Katana + Monobond vs. Comparison | -1.3472 | 1.9052 | 0.8296 |
| Cercon + Monobond vs. Comparison | -0.8885 | 1.2566 | 0.9744 |
Kruskal-Wallis test_
| Chi-Square | 11.6391 |
| DF | 6 |
| P-value | 0.0705 |
Study products_
| Material | Composition | Manufacturer |
|---|---|---|
| Z-Prime Plus | Hydroxyethyl methacrylate, BisGMA, methacryloxydecyl dihydrogen phosphate, ethanol | Bisco, USA |
| Monobond Etch & Prime | Methacrylated phosphoric acid ester, ethanol | Ivoclar Vivadent, USA |
| Transbond XT | Silane Treated Quartz, BisGMA, Bisphenol A Dimethacrylate, | 3M Unitek, Monrovia, CA, USA |
| Cercon xt ML | Zirconium dioxide | Dentsply Sirona, USA |
| e.max ZirCAD | Yttrium-stabilized zirconium oxide | Ivoclar Vivadent, USA |
| STML-ML Katana Zirconia | Zirconium oxide, Yttrium oxide, Nickel oxide | Kuraray Noritake, Japan |
Shear bond strength_
| Group | N Obs | Mean (MPa) | Std Dev | Coeff of Variation |
|---|---|---|---|---|
| Comparison (Enamel) | 8 | 20.0 | 14.1 | 70.14 |
| 1A Cercon + Monobond | 10 | 11.5 | 3.02 | 26.3 |
| 1B Cercon + ZPrime | 10 | 9.24 | 3.50 | 37.91 |
| Plus 2A ZirCAD + Monobond | 10 | 11.6 | 4.06 | 35.03 |
| 2B ZirCAD + ZPrime Plus | 10 | 11.4 | 4.48 | 39.27 |
| 3A Katana + Monobond | 9 | 7.46 | 3.36 | 45.06 |
| 3B Katana + ZPrime Plus | 8 | 8.34 | 1.99 | 23.87 |