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Materials 2010, 3(6), 3700-3713; doi:10.3390/ma3063700
Article

Properties and Clinical Application of Three Types of Dental Glass-Ceramics and Ceramics for CAD-CAM Technologies

* ,
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 and
Ivoclar Vivadent AG, Bendererstr. 2, LI-9494 Schaan, Principality of Liechtenstein
* Author to whom correspondence should be addressed.
Received: 7 May 2010 / Accepted: 17 June 2010 / Published: 19 June 2010
(This article belongs to the Special Issue Ceramics for Healthcare)
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Abstract

The main properties (mechanical, thermal and chemical) and clinical application for dental restoration are demonstrated for three types of glass-ceramics and sintered polycrystalline ceramic produced by Ivoclar Vivadent AG. Two types of glass-ceramics are derived from the leucite-type and the lithium disilicate-type. The third type of dental materials represents a ZrO2 ceramic. CAD/CAM technology is a procedure to manufacture dental ceramic restoration. Leucite-type glass-ceramics demonstrate high translucency, preferable optical/mechanical properties and an application as dental inlays, onlays and crowns. Based on an improvement of the mechanical parameters, specially the strength and toughness, the lithium disilicate glass-ceramics are used as crowns; applying a procedure to machine an intermediate product and producing the final glass-ceramic by an additional heat treatment. Small dental bridges of lithium disilicate glass-ceramic were fabricated using a molding technology. ZrO2 ceramics show high toughness and strength and were veneered with fluoroapatite glass-ceramic. Machining is possible with a porous intermediate product.
Keywords: biomaterials; glass-ceramics; ceramics; clinical applications; metal-free; CAD/CAM; dentistry biomaterials; glass-ceramics; ceramics; clinical applications; metal-free; CAD/CAM; dentistry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ritzberger, C.; Apel, E.; Höland, W.; Peschke, A.; Rheinberger, V.M. Properties and Clinical Application of Three Types of Dental Glass-Ceramics and Ceramics for CAD-CAM Technologies. Materials 2010, 3, 3700-3713.

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