Comparison of composite resin-to-porcelain bond strength with three adhesives.

Three resin-based adhesives were evaluated for suitability for porcelain repair with composite resin, as measured by shear bond strength of attachment. Photo Bond and SE Bond were associated with significantly greater shear bond strengths than their respective controls at both time periods investigated. Single Bond did not have shear bond strengths greater than its control and its values were significantly lower than those obtained with the other resins.