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Review
. 2023 Jul 14:11:e15669.
doi: 10.7717/peerj.15669. eCollection 2023.

Current classification of zirconia in dentistry: an updated review

Suchada Kongkiatkamon  1 , Dinesh Rokaya  2 , Santiphab Kengtanyakich  3 , Chaimongkon Peampring  1
Affiliations
Review

Current classification of zirconia in dentistry: an updated review

Suchada Kongkiatkamon et al. PeerJ. .

Abstract

Zirconia, a crystalline oxide of zirconium, holds good mechanical, optical, and biological properties. The metal-free restorations, mostly consisting of all-ceramic/zirconia restorations, are becoming popular restorative materials in restorative and prosthetic dentistry choices for aesthetic and biological reasons. Dental zirconia has increased over the past years producing wide varieties of zirconia for prosthetic restorations in dentistry. At present, literature is lacking on the recent zirconia biomaterials in dentistry. Currently, no article has the latest information on the various zirconia biomaterials in dentistry. Hence, the aim of this article is to present an overview of recent dental zirconia biomaterials and tends to classify the recent zirconia biomaterials in dentistry. This article is useful for dentists, dental technicians, prosthodontists, academicians, and researchers in the field of dental zirconia.

Keywords: 3Y-TZP; 5Y-TZP; CAD/CAM; Dental ceramic; Translucency; Y-TZP.

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Conflict of interest statement

Dinesh Rokaya is an Academic Editor for PeerJ.

Figures

Figure 1
Figure 1. Phases and its transformation of zirconia.
(A) monoclinic; (B) tetragonal; (C) cubic structure; and (D) phases of transformation of zirconia. Modified with permission from Sorrentino et al. (2019).
Figure 2
Figure 2. Classification of yttria-stabilized dental zirconia Ban (2021).
Y, Yttria, M, multilayer.
Figure 3
Figure 3. The translucency vs flexural strength of dental zirconia Ban (2021).
Figure 4
Figure 4. Examples of zirconia-based on the yttria content.
A, 3Y-TZP, B, 4Y-TZP, and C, 5Y-TZP.
Figure 5
Figure 5. Translucency of zirconia-based on the yttria content.
A, 3Y-TZP, B, 4Y-TZP, and C, 5Y-TZP.
See this image and copyright information in PMC

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