Effect of an MDP-containing Primer on the Bond Strength Between Ten Different Resin Cements and Air-abraded Monolithic Zirconia
Journal Title: Meandros Medical and Dental Journal - Year 2021, Vol 22, Issue 2
Abstract
Objective: The aim of the present study was to evaluate the shear bond strength (SBS) of different self-adhesive luting systems to airborne-particle-abraded monolithic zirconia ceramic, with or without the application of a 10-methacryloyloxydecyl dihydrogen phosphate (MDP)-based ceramic primer. Materials and Methods: A total of 200 monolithic zirconia specimens were prepared and air-abraded using 50-μm aluminum oxide particles under a pressure of 2.5 bar. Ten different self-adhesive resin cements were then bonded to the zirconia specimens with or without the use of an MDP-containing primer. After 24 h of water storage, all of the resin-bonded samples were thermocycled 5,000 times (5-55 °C). The SBS of the specimens was measured using a universal testing machine, and failure types were examined under a stereomicroscope. The data were statistically analyzed using two-way ANOVA and Tukey’s honestly significant difference tests. Results: Statistical analyses revealed significant differences between the different resin cement groups (p<0.001). All of the primer-applied groups showed statistically higher SBS values than the non-primed groups (p<0.05). The SBS values of primer-applied groups ranged between 8.56±0.91 and 16.08±0.67 MPa. Adhesive failures were more predominant in the nonprimed groups than in the primed groups for each resin cement tested. MDP-based resin cements used did not result in the highest bond strengths. Conclusion: In the case of every self-adhesive resin cement tested, application of an additional MDP-containing priming agent yielded enhanced bond strength to air-abraded monolithic zirconia specimens. However, no association between the MDP content of the resin cements and the SBS values was observed.
Authors and Affiliations
Yener Okutan, Münir Tolga Yücel, Mustafa Borga Dönmez, Tuğçe Gezer
Keywords
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- EP ID EP694413
- DOI 10.4274/meandros.galenos.2021.03411
- Views 87
- Downloads 0
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