The Application of a Novel Ceramic Liner Improves Bonding between Zirconia and Veneering Porcelain
AbstractThe adhesion of porcelain to zirconia is a key factor in the success of bilayered restorations. In this study, the efficacy of a novel experimental liner (EL) containing zirconia for improved bonding between zirconia and veneering porcelain was tested. Four ELs containing various concentrations (0, 3.0, 6.0, and 9.0 wt %) of zirconia were prepared. Testing determined the most effective EL (EL3 containing 3.0 wt % zirconia) in terms of shear bond strength value (n = 15). Three different bar-shaped zirconia/porcelain bilayer specimens were prepared for a three-point flexural strength (TPFS) test (n = 15): no-liner (NL), commercial liner (CL), and EL3. Specimens were tested for TPFS with the porcelain under tension and the maximum load was measured at the first sign of fracture. The strength data were analyzed using one-way ANOVA and Tukey’s test (α = 0.05) as well as Weibull distribution. When compared to NL, the CL application had no effect, while the EL3 application had a significant positive effect (p < 0.001) on the flexural strength. Weibull analysis also revealed the highest shape and scale parameters for group EL3. Within the limitations of this study, the novel ceramic liner containing 3.0 wt % zirconia (EL3) significantly enhanced the zirconia/porcelain interfacial bonding. View Full-Text
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Lee, H.-S.; Kwon, T.-Y. The Application of a Novel Ceramic Liner Improves Bonding between Zirconia and Veneering Porcelain. Materials 2017, 10, 1023.
Lee H-S, Kwon T-Y. The Application of a Novel Ceramic Liner Improves Bonding between Zirconia and Veneering Porcelain. Materials. 2017; 10(9):1023.Chicago/Turabian Style
Lee, Hee-Sung; Kwon, Tae-Yub. 2017. "The Application of a Novel Ceramic Liner Improves Bonding between Zirconia and Veneering Porcelain." Materials 10, no. 9: 1023.
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