Graded zirconia glass for resistance to veneer fracture.

Journal of Dental Research
Y Zhang, J W Kim

Abstract

Failures of zirconia-based all-ceramic restorations appear to be predominantly chips and fractures in the porcelain veneer, from occlusally induced sliding contact damage. We hypothesized that such failure may be substantially mitigated by controlled grading of the elastic modulus at the ceramic surface. In this study, we fabricated graded structures by infiltrating glass into zirconia plates, resulting in improved aesthetics and diminished modulus at the surfaces. Individual plates were then embedded in epoxy or cemented to dental composites and subjected to single- or multi-cycle sliding contact. Plates of porcelain-veneered zirconia and monolithic zirconia served as controls. Graded zirconia-glass structures exhibited over 3 times better resistance to single-cycle sliding damage than monolithic zirconia and 25 times better than veneered zirconia, and had a fatigue sliding damage resistance comparable with that of monolithic zirconia. These zirconia-glass materials can be engineered in shades from white to yellow, and have potentially better cementation properties than homogeneous zirconia.

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Citations

May 11, 2011·Journal of Dental Research·L RenY Zhang
Jun 15, 2011·Journal of Dental Research·L RenY Zhang
Jul 11, 2012·Journal of the European Ceramic Society·Yu Zhang
Jan 19, 2016·Dental Materials : Official Publication of the Academy of Dental Materials·Fatma A ShembishYu Zhang
Dec 20, 2011·Acta Biomaterialia·Yu ZhangDenzil Zhang
Sep 15, 2015·Dental Materials : Official Publication of the Academy of Dental Materials·Herzl ChaiYu Zhang
Sep 7, 2014·Dental Materials : Official Publication of the Academy of Dental Materials·Yu Zhang
Oct 10, 2013·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Brian R StonerJeffrey R Piascik
Apr 9, 2016·Journal of the Mechanical Behavior of Biomedical Materials·R L P SantosB Henriques
Aug 4, 2015·Dental Materials : Official Publication of the Academy of Dental Materials·Zhen PangYu Zhang
Jul 28, 2015·Dental Materials : Official Publication of the Academy of Dental Materials·Fatima Al MansourMichael J Cattell
Oct 19, 2013·Journal of Dentistry·Yu ZhangBrian R Lawn
Mar 31, 2015·Journal of the Mechanical Behavior of Biomedical Materials·Ruoyu LiuLongquan Shao
Jan 26, 2017·Dental Materials : Official Publication of the Academy of Dental Materials·Regina Furbino VillefortRenata Marques de Melo
Sep 21, 2013·The Journal of Advanced Prosthodontics·Hyun-Suk ChaYong-Keun Lee
Feb 15, 2019·Journal of Dental Research·N C RamosR M Melo
Feb 13, 2019·Journal of Dental Research·M R KaizerY Zhang
Dec 1, 2017·Dental Materials : Official Publication of the Academy of Dental Materials·Herzl ChaiYu Zhang
Mar 5, 2019·Dental Materials : Official Publication of the Academy of Dental Materials·Marina R KaizerYu Zhang
Mar 1, 2019·Materials Science & Engineering. C, Materials for Biological Applications·Fernanda H SchünemannBruno Henriques
Jul 23, 2021·Computer Methods in Biomechanics and Biomedical Engineering·Sukirti DhitalJeongho Kim

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