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\bibitem{Zhang_etal2016} {\textquotedblleft}\textit{Strength, toughness and aging stability of highly-translucent Y-TZP ceramics for dental restorations}{\textquotedblright}. Zhang F, Inokoshi M, Batuk M, Hadermann J, Naert I, Van Meerbeek B, Vleugels J, Dental Materials \textbf{32}, e327 (2016).   http://doi.org/10.1016/j.dental.2016.09.025

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