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Self-glazed zirconia reducing the wear to tooth enamel
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Number of Authors: 6
2016 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, E-ISSN 1873-619X, Vol. 36, no 12, 2889-2894 p.Article in journal (Refereed) Published
Abstract [en]

The wear behaviors of a newly developed grade of self-glazed zirconia against the enamel of freshly extracted teeth were investigated under simulated oral stresses and chemical environment. It was revealed that an inherently formed enamel-like surface on self-glazed zirconia that is very smooth on micrometer scale yet with nanoscale roughness has almost the same frictional coefficient against tooth enamel as the well-polished zirconia surface. The wear scars observed on the worn surface of enamel against self-glazed zirconia and well-polished zirconia surface revealed that in both cases fatigue wear is the dominating wear mechanism. It was concluded that the friction and wear performances of both the well-polished and self-glazed zirconia ceramics against natural enamel were very similar, which bears a very strong implication for the clinical safe use of the full contour zirconia restorations, yet the self-glazed zirconia provides sufficiently improved aesthetic appearance that ensures its potential for direct clinical uses.

Place, publisher, year, edition, pages
2016. Vol. 36, no 12, 2889-2894 p.
Keyword [en]
Ceramics, Zirconia, Dental restorations, Wear, Surface, Enamel
National Category
Chemical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:su:diva-132325DOI: 10.1016/j.jeurceramsoc.2015.11.029ISI: 000378362800005OAI: oai:DiVA.org:su-132325DiVA: diva2:951638
Available from: 2016-08-09 Created: 2016-08-08 Last updated: 2016-08-09Bibliographically approved

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Liu, LeifengShen, Zhijian
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Department of Materials and Environmental Chemistry (MMK)
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