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Nanostructured Zirconia-Based Ceramics and Composites in Dentistry: A State-of-the-Art Review

Department of Biomedical and Neuromotor Sciences, University of Bologna, 40125 Bologna, Italy
Centro Ceramico, 40138 Bologna, Italy
Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, 40131 Bologna, Italy
Department of Neurosciences, University of Padua, 35133 Padua, Italy
Materials Science Department, University of Lyon, INSA Lyon, CNRS UMR 5510 MATEIS, 69621 Villeurbanne, France
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(10), 1393;
Received: 31 August 2019 / Revised: 18 September 2019 / Accepted: 25 September 2019 / Published: 29 September 2019
(This article belongs to the Special Issue Nanomaterials and Nanotechnology in Dentistry)
The objective of this paper is to review the current knowledge on the development of nanostructured zirconia-based ceramics and composites suitable for application in dentistry. Isi Web of Science, Science Direct, databases, and Google were searched electronically for the period of 1980 to the present, matching the keywords “nano” with the keywords: “Zirconia, ZrO2, Y-TZP, and dental, dentistry”. A total of 74 papers were found, with the majority coming from Asia, indicating a more active scientific interest on the topic in this geographic area, followed by Europe, South America, and North America. The research shows, even though the scientific activity on nanostructured ceramics was intense in the last fifteen years, the development of fully dense zirconia-based nanoceramics is yet at an initial stage, most of all from the point of view of the clinical applications. It has been demonstrated that nanostructured ceramics can show improved properties because of the reduction of the grain size to the nanoscale. This is also true for zirconia-based nanoceramics, where some improvements in mechanical, optical, as well as resistance in low-temperature degradation have been observed. Potential applications of this class of material in the dental field are discussed, summarizing the results of the latest scientific research. View Full-Text
Keywords: nano ZrO2; nano Y-TZP; TZP/Al2O3 nanocomposite; nano dental restorations; nano dentistry nano ZrO2; nano Y-TZP; TZP/Al2O3 nanocomposite; nano dental restorations; nano dentistry
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Arena, A.; Prete, F.; Rambaldi, E.; Bignozzi, M.C.; Monaco, C.; Di Fiore, A.; Chevalier, J. Nanostructured Zirconia-Based Ceramics and Composites in Dentistry: A State-of-the-Art Review. Nanomaterials 2019, 9, 1393.

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