Kang Dai

Sep 4, 2023 | mdpi.com | Kang Dai |Jiang Wu |Zhen Zhao |Hai Yu

1. IntroductionZirconia has attracted great attention as a dental restorative material, due to its high mechanical strength, steady chemical properties, and excellent biocompatibility [1]. However, to achieve optimal esthetics, zirconia is typically layered with translucent veneering porcelain, due to its opaque appearance.