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. 2013 Aug 23;38(3):134–140. doi: 10.5395/rde.2013.38.3.134

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©Copyights 2013. The Korean Academy of Conservative Dentistry.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Field-emission scanning microscopy (FE-SEM) micrographs of fractured surfaces after biaxial flexural test (×10,000). Both ceramics display similar patterns of crystalline structure before heat treatment (upper micrographs) and after heat treatment (lower micrographs). (a) Microstructure of IPS e.max CAD in lithium metasilicate crystalline form; (b) Rosetta SM in lithium metasilicate crystalline form; (c) IPS e.max CAD in lithium disilicate crystalline form; (d) Rosetta SM in lithium disilicate crystalline form.