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Department of Prosthodontics, D.Y. Patil University, School of Dentistry, Nerul, Navi Mumbai, India
Research Article
Comparative Evaluation and Correlation of Marginal Fit and Retention of Metal Copings Fabricated Using Two Different Designs of Die Spacer– An In Vitro Study
Author(s): Komal C. Dave*, Asha M. Rathod, Gaurang Mistry and Omkar Shetty
Introduction: The art and science of fixed prosthodontics is predicted on accomplishing precise and clinically accurate
operative techniques based on sound biological and mechanical principles. Many factors have been demonstrated to influence
the marginal seating and retention of crowns, such as size and shape of the prepared teeth, manipulation of the cement,
retentive properties of the cement, cement film thickness, relieving space or venting for cement, cement application, and
roughness of the dentinal surface. Optimum retention form is considered to be one of the most important principles of tooth
preparation. The longevity of fixed prosthesis depends on the retention and marginal integrity of restoration. This study was
done to evaluate, compare and correlate the marginal fit and retention for two different designs of die spacer.
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