Bond strength of a resin cement to high-alumina and zirconia-reinforced ceramics: The effect of surface conditioning

Luiz Felipe Valandro, Mutlu Özcan, M. C. Bottino, Marco Antonio Bottino, Roberto Scotti, Alvaro Della Bona

Research output: Contribution to journalArticle

115 Citations (Scopus)

Abstract

Purpose: The aim of this study was to evaluate the effect of two surface conditioning methods on the microtensile bond strength of a resin cement to three high-strength core ceramics: high alumina-based (In-Ceram Alumina, Procera AllCeram) and zirconia-reinforced alumina-based (In-Ceram Zirconia) ceramics. Materials and Methods: Ten blocks (5 ×6 × 8 mm) of In-Ceram Alumina (AL), In-Ceram Zirconia (ZR), and Procera (PR) ceramics were fabricated according to each manufacturer's instructions and duplicated in composite. The specimens were assigned to one of the two following treatment conditions: (1) airborne particle abrasion with 110-μm Al2O3 particles + silanization, (2) silica coating with 30 μm SiOx particles (CoJet, 3M ESPE) + silanization. Each ceramic block was duplicated in composite resin (W3D-Master, Wilcos, Petrópolis, RJ, Brazil) using a mold made out of silicon impression material. Composite resin layers were incrementally condensed into the mold to fill up the mold and each layer was light polymerized for 40 s. The composite blocks were bonded to the surface-conditioned ceramic blocks using a resin cement system (Panavia F, Kuraray, Okayama, Japan). One composite resin block was fabricated for each ceramic block. The ceramic-composite was stored at 37°C in distilled water for 7 days prior to bond tests. The blocks were cut under water cooling to produce bar specimens (n = 30) with a bonding area of approximately 0.6 mm2. The bond strength tests were performed in a universal testing machine (crosshead speed: 1 mm/min). Bond strength values were statistically analyzed using two-way ANOVA and Tukey's test (≤ 0.05). Results: Silica coating with silanization increased the bond strength significantly for all three high-strength ceramics (18.5 to 31.2 MPa) compared to that of airborne particle abrasion with 110-μm Al2O3 (12.7-17.3 MPa) (ANOVA, p <0.05). PR exhibited the lowest bond strengths after both Al2O3 and silica coating (12.7 and 18.5 MPa, respectively). Conclusion: Conditioning the high-strength ceramic surfaces with silica coating and silanization provided higher bond strengths of the resin cement than with airborne particle abrasion with 110-μm Al2O3 and silanization.

Original languageEnglish (US)
Pages (from-to)175-181
Number of pages7
JournalJournal of Adhesive Dentistry
Volume8
Issue number3
StatePublished - 2006
Externally publishedYes

Fingerprint

Resin Cements
Aluminum Oxide
Ceramics
Silicon Dioxide
Composite Resins
Fungi
Analysis of Variance
Water
Silicon
zirconium oxide
Brazil
Japan
Light

Keywords

  • Bond strength
  • Ceramics
  • Microtensile test
  • Silica coating
  • Surface conditioning methods

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Valandro, L. F., Özcan, M., Bottino, M. C., Bottino, M. A., Scotti, R., & Della Bona, A. (2006). Bond strength of a resin cement to high-alumina and zirconia-reinforced ceramics: The effect of surface conditioning. Journal of Adhesive Dentistry, 8(3), 175-181.

Bond strength of a resin cement to high-alumina and zirconia-reinforced ceramics : The effect of surface conditioning. / Valandro, Luiz Felipe; Özcan, Mutlu; Bottino, M. C.; Bottino, Marco Antonio; Scotti, Roberto; Della Bona, Alvaro.

In: Journal of Adhesive Dentistry, Vol. 8, No. 3, 2006, p. 175-181.

Research output: Contribution to journalArticle

Valandro, LF, Özcan, M, Bottino, MC, Bottino, MA, Scotti, R & Della Bona, A 2006, 'Bond strength of a resin cement to high-alumina and zirconia-reinforced ceramics: The effect of surface conditioning', Journal of Adhesive Dentistry, vol. 8, no. 3, pp. 175-181.
Valandro, Luiz Felipe ; Özcan, Mutlu ; Bottino, M. C. ; Bottino, Marco Antonio ; Scotti, Roberto ; Della Bona, Alvaro. / Bond strength of a resin cement to high-alumina and zirconia-reinforced ceramics : The effect of surface conditioning. In: Journal of Adhesive Dentistry. 2006 ; Vol. 8, No. 3. pp. 175-181.
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T2 - The effect of surface conditioning

AU - Valandro, Luiz Felipe

AU - Özcan, Mutlu

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AU - Bottino, Marco Antonio

AU - Scotti, Roberto

AU - Della Bona, Alvaro

PY - 2006

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N2 - Purpose: The aim of this study was to evaluate the effect of two surface conditioning methods on the microtensile bond strength of a resin cement to three high-strength core ceramics: high alumina-based (In-Ceram Alumina, Procera AllCeram) and zirconia-reinforced alumina-based (In-Ceram Zirconia) ceramics. Materials and Methods: Ten blocks (5 ×6 × 8 mm) of In-Ceram Alumina (AL), In-Ceram Zirconia (ZR), and Procera (PR) ceramics were fabricated according to each manufacturer's instructions and duplicated in composite. The specimens were assigned to one of the two following treatment conditions: (1) airborne particle abrasion with 110-μm Al2O3 particles + silanization, (2) silica coating with 30 μm SiOx particles (CoJet, 3M ESPE) + silanization. Each ceramic block was duplicated in composite resin (W3D-Master, Wilcos, Petrópolis, RJ, Brazil) using a mold made out of silicon impression material. Composite resin layers were incrementally condensed into the mold to fill up the mold and each layer was light polymerized for 40 s. The composite blocks were bonded to the surface-conditioned ceramic blocks using a resin cement system (Panavia F, Kuraray, Okayama, Japan). One composite resin block was fabricated for each ceramic block. The ceramic-composite was stored at 37°C in distilled water for 7 days prior to bond tests. The blocks were cut under water cooling to produce bar specimens (n = 30) with a bonding area of approximately 0.6 mm2. The bond strength tests were performed in a universal testing machine (crosshead speed: 1 mm/min). Bond strength values were statistically analyzed using two-way ANOVA and Tukey's test (≤ 0.05). Results: Silica coating with silanization increased the bond strength significantly for all three high-strength ceramics (18.5 to 31.2 MPa) compared to that of airborne particle abrasion with 110-μm Al2O3 (12.7-17.3 MPa) (ANOVA, p <0.05). PR exhibited the lowest bond strengths after both Al2O3 and silica coating (12.7 and 18.5 MPa, respectively). Conclusion: Conditioning the high-strength ceramic surfaces with silica coating and silanization provided higher bond strengths of the resin cement than with airborne particle abrasion with 110-μm Al2O3 and silanization.

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KW - Ceramics

KW - Microtensile test

KW - Silica coating

KW - Surface conditioning methods

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