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Wear performance of self-glazed zirconia crowns with different amount of occlusal adjustment after 6 months of clinical use
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Number of Authors: 72018 (English)In: Advances in Applied Ceramics: Structural, Functional and Bioceramics, ISSN 1743-6753, E-ISSN 1743-6761, Vol. 117, no 8, p. 445-451Article in journal (Refereed) Published
Abstract [en]

The amount of enamel wear on the antagonist occlusal surfaces caused by self-glazed zirconia crowns was compared with that caused by contralateral natural teeth. Thirteen self-glazed zirconia crowns were placed in situ. The impressions of self-glazed zirconia crowns, their antagonists and the control teeth were taken and scanned at baseline and 6-month follow-up. The patients were divided into two groups, the self-glazed crowns in one group were subjected to a large amount of grinding with well polishing (LaP group, n=7), while the other group required a little amount of grinding with well polishing (LiP group, n=6). Statistics were analysed by two-sided paired Student's t-tests to a significance level of p<.05. The results revealed that the maximum and mean enamel wear significantly different between the antagonists of self-glazed crowns and the control teeth (p<.05). Increased amount of enamel wear was found in LaP group (p<.05). The self-glazed zirconia crowns caused more enamel wear of antagonists than natural teeth after 6 months. Occlusal adjustment and polishing were considered as possible confounders which affected wear behaviour.

Place, publisher, year, edition, pages
2018. Vol. 117, no 8, p. 445-451
Keywords [en]
Self-glazed zirconia, enamel wear, polishing, grinding
National Category
Chemical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:su:diva-161237DOI: 10.1080/17436753.2018.1477567ISI: 000444087000001OAI: oai:DiVA.org:su-161237DiVA, id: diva2:1256796
Available from: 2018-10-18 Created: 2018-10-18 Last updated: 2018-10-18Bibliographically approved

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Shen, Zhijian
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Department of Materials and Environmental Chemistry (MMK)
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