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Effect of Universal Adhesives on Long-term Bond Strength to Zirconia
Journal article   Open access

Effect of Universal Adhesives on Long-term Bond Strength to Zirconia

Renata Vasconcelos Monteiro, Daniela Micheline Dos Santos, Bruna Chrispim, Jussara Karina Bernardon, Thiago Soares Porto and Grace Mendonça De Souza
The journal of adhesive dentistry, Vol.24(1), pp.385-394
10/24/2022
DOI: 10.3290/j.jad.b3512333
PMCID: PMC11734258
PMID: 36278397
url
https://doi.org/10.3290/j.jad.b3512333View
Published (Version of record) Open Access

Abstract

PURPOSETo evaluate the effect of universal adhesives on the long-term bond strength to yttria-stabilized tetragonal zirconia polycrystal (Y-TZP). MATERIALS AND METHODSPolyethylene tubes filled with composite cement containing 10-methacryloyloxydecyl dihydrogen phosphate (10-MDP) were adhesively luted to 60 fully sintered Y-TZP slabs (7 x 7 x 2 mm) with or without (control) previous application of a 10-MDP-based adhesive (All Bond Universal, Bisco) - ABU; Clearfil Universal Bond Quick, Kuraray Noritake - CUB; Scotchbond Universal Adhesive, 3M Oral Care - SUA) on the zirconia surface. The bonded specimens were stored in water for 24 h, 6 months, or 1 year and subjected to microshear bond strength testing. The data were analyzed by one-way ANOVA and Tukey's test (p < 0.05). The contact angle was measured after adhesive application to evaluate surface wettability. The adhesive-treated specimens were analyzed with x-ray photoelectron spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (ToF-SIMS) for chemical characterization. RESULTSThe application of a 10-MDP-based adhesive significantly improved bond strength of composite cement to zirconia when compared to the control group (no adhesive application) (p < 0.05). One-year water storage significantly decreased bond strength for ABU- and CUB-bonded specimens, but not for SUA-bonded specimens. The analysis by XPS and ToF-SIMS showed peaks of carbon, phosphorus, and silicon in all adhesive-treated specimens. CONCLUSIONSOne-year water storage affected the bond strength of composite cement to zirconia when All Bond Universal or Clearfil Universal Bond Quick were used.

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