Influence of zirconia base and shade difference on polymerization efficiency of dual-cure resin cement.

Purpose: The aim of this study was to investigate the polymerization efficiency of dual-cured resin cement beneath different shades of zirconia-based feldsphathic ceramic restorations.

Materials And Methods: Five translucent zirconia (Zirkonzahn) discs (4.0-mm diameter, 1.