Influence of Hot-Etching Surface Treatment on Zirconia/Resin Shear Bond Strength
AbstractThis study was designed to evaluate the effect of hot-etching surface treatment on the shear bond strength between zirconia ceramics and two commercial resin cements. Ceramic cylinders (120 units; length: 2.5 mm; diameter: 4.7 mm) were randomly divided into 12 groups (n = 10) according to different surface treatments (blank control; airborne-particle-abrasion; hot-etching) and different resin cements (Panavia F2.0; Superbond C and B) and whether or not a thermal cycling fatigue test (5°–55° for 5000 cycles) was performed. Flat enamel surfaces, mounted in acrylic resin, were bonded to the zirconia discs (diameter: 4.7 mm). All specimens were subjected to shear bond strength testing using a universal testing machine with a crosshead speed of 1 mm/min. All data were statistically analyzed using one-way analysis of variance and multiple-comparison least significant difference tests (α = 0.05). Hot-etching treatment produced higher bond strengths than the other treatment with both resin cements. The shear bond strength of all groups significantly decreased after the thermal cycling test; except for the hot-etching group that was cemented with Panavia F2.0 (p < 0.05). Surface treatment of zirconia with hot-etching solution enhanced the surface roughness and bond strength between the zirconia and the resin cement. View Full-Text
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Lv, P.; Yang, X.; Jiang, T. Influence of Hot-Etching Surface Treatment on Zirconia/Resin Shear Bond Strength. Materials 2015, 8, 8087-8096.
Lv P, Yang X, Jiang T. Influence of Hot-Etching Surface Treatment on Zirconia/Resin Shear Bond Strength. Materials. 2015; 8(12):8087-8096.Chicago/Turabian Style
Lv, Pin; Yang, Xin; Jiang, Ting. 2015. "Influence of Hot-Etching Surface Treatment on Zirconia/Resin Shear Bond Strength." Materials 8, no. 12: 8087-8096.