Influence of core color on final shade reproduction of zirconia crown in single central incisor situation - An study.

Background: A lot of shaded zirconia blocks are being introduced into the market. Their effect on the final shade of the restoration is yet uncertain.

Material And Methods: Twenty-four zirconia crowns were fabricated for 8 patients who needed to restore a single maxillary central incisor, and divided into 3 groups according to the color and type of the zirconia (Zr) used (white Zr core, colored Zr core, and monolithic high translucency (ht) Zr crowns).