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Verfasst von:Stober, Thomas [VerfasserIn]   i
 Lorenzo Bermejo, Justo [VerfasserIn]   i
 Schwindling, Franz Sebastian [VerfasserIn]   i
 Schmitter, Marc [VerfasserIn]   i
Titel:Clinical assessment of enamel wear caused by monolithic zirconia crowns
Verf.angabe:T. Stober, J.L. Bermejo, F.S. Schwindling & M. Schmitter
E-Jahr:2016
Jahr:August 2016
Umfang:9 S.
Fussnoten:Gesehen am 22.11.2018
Titel Quelle:Enthalten in: Journal of oral rehabilitation
Ort Quelle:Oxford [u.a.] : Wiley-Blackwell, 1974
Jahr Quelle:2016
Band/Heft Quelle:43(2016), 8, Seite 621-629
ISSN Quelle:1365-2842
Abstract:The purpose of this study was to measure enamel wear caused by antagonistic monolithic zirconia crowns and to compare this with enamel wear caused by contralateral natural antagonists. Twenty monolithic zirconia full molar crowns were placed in 20 patients. Patients with high activity of the masseter muscle at night (bruxism) were excluded. For analysis of wear, vinylpolysiloxane impressions were prepared after crown incorporation and at 6-, 12-, and 24-month follow-up. Wear of the occlusal contact areas of the crowns, of their natural antagonists, and of two contralateral natural antagonists (control teeth) was measured by use of plaster replicas and a 3D laser-scanning device. Differences of wear between the zirconia crown antagonists and the control teeth were investigated by means of two-sided paired Student's t-tests and linear regression analysis. After 2 years, mean vertical loss was 46 μm for enamel opposed to zirconia, 19-26 μm for contralateral control teeth and 14 μm for zirconia crowns. Maximum vertical loss was 151 μm for enamel opposed to zirconia, 75-115 μm for control teeth and 60 μm for zirconia crowns. Statistical analysis revealed significant differences between wear of enamel by zirconia-opposed teeth and by control teeth. Gender, which significantly affected wear, was identified as a possible confounder. Monolithic zirconia crowns generated more wear of opposed enamel than did natural teeth. Because of the greater wear caused by other dental ceramics, the use of monolithic zirconia crowns may be justified.
DOI:doi:10.1111/joor.12409
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: http://dx.doi.org/10.1111/joor.12409
 Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1111/joor.12409
 DOI: https://doi.org/10.1111/joor.12409
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:crowns
 enamel wear
 occlusal wear
 tooth wear
 wear
 zirconia
 zirconium dioxide
K10plus-PPN:158396567X
Verknüpfungen:→ Zeitschrift

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