European Journal of Prosthodontics and Restorative Dentistry

Effect of Surface Treatments on the Bond Strengths of Facing Composite Resins to Zirconia Copings

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Cover Date

September 2012

Print ISSN

0965-7452

Vol

20

Issue

3

Abstract

Abstract - The present study evaluated and compared the bond strength between zirconia and facing composite resin using different surface conditioning methods before and after thermocycling. Four primers, three opaque resins, and two facing composite resins were used, and 10 surface treatment procedures were conducted. The bond strength was measured before and after 4,000 cycles of thermocycling. The mean values of each group were statistically analyzed using one-way analysis of variance (ANOVA). The bond strengths of facing composite resins to zirconia after various treatments varied depending on the primers, opaque resins, body resins, and thermocycling. The application of primers and opaque resins to the zirconia surface after sandblasting is expected to yield strong bond strength of the facing composite resin (Estenia C&B) even after thermocycling.

KEY WORDS: Zirconia, Bond strength, Facing composite resin, Primer