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Influence of enzymatic and chemical degradation on zirconia resin bond strength after different surface treatments.

Authors: Mirmohammadi, H.; Aboushelib, M.N.; Salameh, Z.; Kleverlaan, C.J.; Feilzer, A.J.;

Influence of enzymatic and chemical degradation on zirconia resin bond strength after different surface treatments.

Abstract

To investigate the influence of chemical and enzymatic degradation on the stability of zirconia resin bond strength using micro-shear bond strength test.Zirconia discs were airborne particle abraded (SB) or selective infiltration etched (SIE) while no surface treatment served as control. Resin composite (Filtek Z250) microdiscs were bonded to zirconia using self-adhesive universal resin cement (RelyX UniCem). Micro-shear bond strength (microSBS) test was conducted after immersion in the following degrading media: 24 hours and 2 weeks of water storage, and 2 weeks in NaOH, alcohol, or esterase enzyme (n=10).There was a significant influence of the surface finish (P < 0.001, F=154.5), biodegradation medium (P < 0.001, F=52.9), and their interaction (P < 0.001, F=6.0) on zirconia resin bond strength. In general SIE group revealed the highest microSBS values (8.1 - 34.5 MPa) after degradation in different media, followed by SB group (8.7 - 28.5 MPa), while the control group showed significantly lower bond strength (0.4 - 9 MPa).

Country
Netherlands
Keywords

Dental Stress Analysis, Ethanol, Surface Properties, Hydrolysis, Dental Bonding, Esterases, 610, Water, Composite Resins, Dental Porcelain, Resin Cements, Dental Etching, Materials Testing, Sodium Hydroxide, Zirconium, SDG 6 - Clean Water and Sanitation, Shear Strength

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    6
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average