A Comparative Evaluation of Casting Accuracy by Two Different Methods of Die Spacer Application – An In Vitro Study
Journal Title: Saudi Journal of Medicine - Year 2018, Vol 3, Issue 9
Abstract
The margin is one of the components of the cast restoration most susceptible to failure, both biologically and mechanically. Obtaining a good marginal seal is one of the most important factor in determining the long term success of cast restorations. The purpose of the study was to comparative evaluate the casting accuracy by axial coverage of the die spacer 1.00 mm short from the finish line and complete axial coverage of the die spacer. Irrespective of the method of the die spacer application, all the castings showed deficiency in the marginal fit. Efforts were made to select and utilize standard method. The enhancement of marginal fit with incomplete axial die spacer coverage by providing an area of close adaptation near the marginal area, thereby improving the marginal seal and thus reducing the dissolution of cementing media is of great clinical significance. Increased casting accuracy with die spacer application short by 1.00 mm from finish line could be due to the reason that unpainted area will ensure an area of close adaptation at the margin. From this study, it is clear that the die spacer application short by 1.00 mm from finish line gives better marginal adaptation to castings when compared to full length die spacer application.
Authors and Affiliations
Dr. Prashant Jadhav, MDS, Dr. Manish Kumar, MDS, Dr. Premraj Jadhav, Dr. Nilima Kadam, Dr. Abhijeet Deshpande, Dr Sayali Korde
Keywords
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