EFFECTIVENESS OF CEMENTS ON COLOR COVERING OF A CAD-CAM HYBRID CERAMIC LAMINATE

Abstract

Tooth discoloration can diminish smile confidence. Using ultra-thin veneers may be insufficient to mask underlying dark color teeth. This study aimed to compare the masking efficacy of resin cements used with CAD/CAM hybrid ceramic (Cerasmart270) veneers with different thicknesses. Laminate veneers with thicknesses of 150 and 300 µm were used to cover A6-shade resin composite blocks using Super-Bond C&B resin cement in two shades: clear and opaque ivory (n=5). Color masking differences were measured using a spectrophotometer and analyzed using two-way ANOVA. Results showed significant differences (95% confidence) between resin cement shades and veneer thicknesses. The best masking was with 150 µm veneers and opaque ivory cement, while the lowest with 150 µm and clear cement. In conclusion, opaque ivory resin cement showed better masking performance than the clear shade and the 150 µm-thickness Cersmart270. Therefore, the selection of resin cement shade is crucial to the esthetic success of ultra-thin hybrid ceramic veneers.