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Effect of Different Acid Treatments on the Shear Bond Strength of Computer-Aided Design and Manufacturing (CAD-CAM) Ceramics for Dental Applications

G. Yildirim

Journal of Ceramic Science and Technology, Vol. 9, No. 4 (2018), pp. 391-396

DOI: 10.4416/JCST2018-00031

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Abstract

The purpose of this in vitro study was to compare the shear bond strengths (SBS) of hybrid ceramic; Vita Enamic (VE), zirconia-reinforced lithium silicate ceramic; Vita Suprinity (VS), feldspathic ceramic; Vita TriLuxe forte (VT), and lithium disilicate ceramic; IPS e.max CAD (IPS). Eighty specimens were prepared from four different CAD-CAD ceramic materials. The CAD-CAM ceramic specimens were randomly divided into two subgroups according to acid types: phosphoric (P) acid and hydrofluoric (HF) acid. Resin cement (Panavia V5; Kuraray, Japan) was applied using a 3 x 3-millimeter mold. All specimens were stored in distilled water at 37 °C for 24 hours. The SBS test was performed using a universal testing machine (0.5 mm/min). Two-way ANOVA was used to detect significant differences among the CAD-CAM ceramic materials and acid types. Subgroup analyses were conducted using Tukey HSD post-hoc test (p 

Keywords

Shear bond strength, CAD-CAM ceramics, resin cement.

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