Extrusion shear strength between an alumina-based ceramic and three different cements

Gilberto Antonio Borges, Mario Fernando de Goes, Jeffrey Platt, Keith Moore, Fernando Hueb de Menezes, Euripedes Vedovato

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Statement of problem: Surface treatment is an essential step in bonding a ceramic to resin. Alumina ceramics are particularly difficult to prepare for adequate bonding to composite resin cements. Purpose: The purpose of this study was to evaluate the bond strength between a densely sintered alumina ceramic and bovine dentin with 2 adhesive resin cements and a resin-modified glass ionomer cement using an extrusion shear strength test. Material and methods: Alumina cones (n=30), 4 mm in height, 3 mm in diameter at the small end, and with an 8-degree taper, were fabricated. Without any treatment, the cones were cemented in a standardized cavity in 2.5-mm-thick bovine dentin discs using 1 of 3 cement systems: Panavia F, RelyX ARC, or RelyX Luting. The cements were manipulated following the manufacturers' instructions. After 24 hours of storage at 37°C, an extrusion shear test was performed in a universal testing machine at 0.5 mm/min until bonding failure. The data were analyzed using 1-way ANOVA and Tukey HSD test (α=.05). All fractured specimens were examined at x25 magnification and classified by fracture mode. Representative specimens were selected for SEM observation. Results: The highest strength values were obtained with Panavia F, and they were significantly higher (P

Original languageEnglish (US)
Pages (from-to)208-215
Number of pages8
JournalJournal of Prosthetic Dentistry
Volume98
Issue number3
DOIs
StatePublished - Sep 2007

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Shear Strength
Aluminum Oxide
Resin Cements
Dentin
Glass Ionomer Cements
Composite Resins
Ceramics
Analysis of Variance
Observation
Panavia-Fluoro

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Extrusion shear strength between an alumina-based ceramic and three different cements. / Borges, Gilberto Antonio; de Goes, Mario Fernando; Platt, Jeffrey; Moore, Keith; de Menezes, Fernando Hueb; Vedovato, Euripedes.

In: Journal of Prosthetic Dentistry, Vol. 98, No. 3, 09.2007, p. 208-215.

Research output: Contribution to journalArticle

Borges, Gilberto Antonio ; de Goes, Mario Fernando ; Platt, Jeffrey ; Moore, Keith ; de Menezes, Fernando Hueb ; Vedovato, Euripedes. / Extrusion shear strength between an alumina-based ceramic and three different cements. In: Journal of Prosthetic Dentistry. 2007 ; Vol. 98, No. 3. pp. 208-215.
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