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REVIEW ARTICLE
Year : 2014  |  Volume : 2  |  Issue : 1  |  Page : 7-14

Marginal integrity of metal copings of various porcelain fused to metal alloys using different ring casting techniques: A systematic literature review


Conservative Dentistry and Endodontics, Shree Bankey Bihari Dental College and Research Centre, Masuri, Ghaziabad, India

Correspondence Address:
Devvrat Singh
Department of Conservative Dentistry and Endodontics, Shree Bankey Bihari DentalCollege and Research Centre, Masuri, Ghaziabad - 201 302, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2347-4610.122988

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Precise marginal seating of fixed prosthesis over prepared abutments is crucial to fulfill biological, physical, and cosmetic requirements. Accurate fit of the restoration margins to the prepared finish line is necessary to prevent gingival inflammation, secondary caries acting as an important indicator of the overall acceptability of the cast restoration. The clinical success with porcelain fused to metal restorations lies in achieving both predictable esthetics and function. The design of the tooth preparation can have an effect upon laboratory and clinical success of individual restorations and types of restorations. The accuracy of casting holds the key to long-term success with these restoration. The presented literature review is an attempt to highlight the historical approaches, various pioneer researches, different controversies, difficulties, and current trends for casting of metal employing various techniques. A detailed literature search was conducted using MEDLINE/PubMed databases and other scholarly research bibliographic databases using Medical Subject Headings (MeSH). Studies describing research studies and in vitro studies were retrieved and evaluated from 1955-2013.


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