Comparison of Marginal Fit and Internal Adaptation of Copings Fabricated with Polyetheretherketone and Zirconia - An Study.

Context: Purpose: The aim of this study was to evaluate and compare the Marginal fit and Internal adaptation of copings fabricated with polyetheretherketone (PEEK) and Zirconia luted with resin cements.

Materials And Methods: Maxillary first premolar was prepared to receive all ceramic restoration. It was duplicated using addition silicon impression material for fabricating Cobalt-Chromium metal die, which is used as a master die.