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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Photomicrographs of reinforced glass ceramic (VITA SUPRINITY® PC) before and after immersion in acidic drink for 7 and 28 days (40× magnification). (A,B) Before immersion; (C,D) after immersion in acidic drink for 7 days, (E,F) after immersion in acidic drink for 28 days.