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      Zirconia Use in Dentistry - Manufacturing and Properties

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          Abstract

          Several types of metal-free ceramics have been developed to meet the patients demand for natural looking appearance restorations. Owing to their biocompatibility and good mechanical properties zirconia has been successfully used in recent years as a dental biomaterial. Due to its high opacity zirconia cores are generally covered with ceramic veneers that provide a more natural appearance but have frequent incidence of chipping. As an alternative to veneered zirconia full-contour zirconia restorations become more widely used nowadays. The paper reviews the current knowledge and scientific data of the zirconia use in dentistry in order to compare the zirconia based dental restorations with the metal-ceramic ones and also the two types of dental restoration based on zirconia, veneered or monolithic zirconia.

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          Most cited references48

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          Stabilized zirconia as a structural ceramic: an overview.

          This review introduces concepts and background from the ceramics engineering literature regarding metastable zirconia ceramics to establish a context for understanding current and emerging zirconia-based dental ceramics.
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            Advancements in CAD/CAM technology: Options for practical implementation.

            The purpose of this review is to present a comprehensive review of the current published literature investigating the various methods and techniques for scanning, designing, and fabrication of CAD/CAM generated restorations along with detailing the new classifications of CAD/CAM technology.
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              Low temperature degradation -aging- of zirconia: A critical review of the relevant aspects in dentistry.

              This review presents a critical survey of all experimental data about the low temperature degradation of zirconia (often referred to as "aging") due to the tetragonal-to-monoclinic transformation, which have been collected at temperatures of interest for dental application (room temperature to about 100 degrees C). It is shown that the main factors affecting the aging phenomenon are (i) the stabilizer type and content, (ii) the residual stress and (iii) the grain size. It is also shown that extrapolating the low temperature degradation rate from accelerated aging tests can lead to unacceptable conclusions about the lifetime of the zirconia-based components. Finally, based on the experimental evidence, a set of engineering guidelines for the use of zirconia in restorative and prosthetic dentistry is proposed. Copyright 2010 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
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                Author and article information

                Journal
                Curr Health Sci J
                Curr Health Sci J
                CHSJ
                Current Health Sciences Journal
                Medical University Publishing House Craiova
                2067-0656
                2069-4032
                Jan-Mar 2019
                31 March 2019
                : 45
                : 1
                : 28-35
                Affiliations
                [1 ]Faculty of Dentistry, University of Medicine and Pharmacy of Craiova
                Author notes
                Corresponding Author: Mădălina Grădinaru, Faculty of Dentistry, University of Medicine and Pharmacy of Craiova Petru Rares str., no 2-4 olivia.gradinaru7@ 123456gmail.com
                Corresponding Author: Radu Rîcă, Faculty of Dentistry, University of Medicine and Pharmacy of Craiova Petru Rares str., no 2-4 radu.rica@ 123456gmail.com
                Article
                2019.01.03
                10.12865/CHSJ.45.01.03
                6592671
                31297259
                ff0be435-cbf2-40f2-ad07-f6457486e05a
                Copyright © 2019, Medical University Publishing House Craiova

                This is an open-access article distributed under the terms of a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License, which permits unrestricted use, adaptation, distribution and reproduction in any medium, non-commercially, provided the new creations are licensed under identical terms as the original work and the original work is properly cited.

                History
                : 22 January 2019
                : 11 March 2019
                Categories
                Original Paper

                veneered zirconia,monolithic,manufacture,properties
                veneered zirconia, monolithic, manufacture, properties

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