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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Tezvergil-Mutluay, Arzu
University of Turku
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2021Dry bonding to dentincitations
- 2021The pursuit of resin-dentin bond durabilitycitations
- 2020Incorporation of dimethyl sulfoxide to model adhesive resins with different hydrophilicities : Physico/mechanical propertiescitations
- 2019Incorporation of dimethyl sulfoxide to model adhesive resins with different hydrophilicitiescitations
- 2018Optimization of the etch-and-rinse techniquecitations
- 2018Microtensile bond strength to phosphoric acid-etched dentin treated with NaF, KF and CaF2citations
- 2018Biochemical and immunohistochemical identification of MMP-7 in human dentincitations
- 2016Dentin bond optimization using the dimethyl sulfoxide-wet bonding strategycitations
- 2015Effect of ultraviolet A-induced crosslinking on dentin collagen matrixcitations
- 2013The effect of surface roughness on repair bond strength of light-curing composite resin to polymer composite substrate.citations
Places of action
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article
Incorporation of dimethyl sulfoxide to model adhesive resins with different hydrophilicities
Abstract
<p>Objective: To understand dimethyl sulfoxide (DMSO) interaction with distinct methacrylate monomer blends and the impact on polymer formation by investigating the combined relationship among degree of resin hydrophilicity, presence of DMSO and specific physico/mechanical properties.</p><p>Methods: One hydrophobic (R2) and one hydrophilic (R5) methacrylate-based resins with different monomer compositions were solvated in ascending DMSO concentrations (0, 0.01, 0.1, 1, 5, and 10 w/w %). Neat resins (0 w/w % DMSO) were used as controls. The degree of conversion was determined by Fourier-transform infrared spectroscopy. Polymer crosslinking density was indirectly measured by a modified ethanol-water two-stage solvation technique and the biaxial flexural strength was measured after 24 h and 30 days of water storage at 37 degrees C. Water sorption and solubility were gravimetrically assisted during 28 days of water storage to determine the kinetics of water-polymer interactions. Data were analyzed by ANOVA and Tukey test (alpha = 0.05).</p><p>Results: Incorporation of high DMSO-concentrations significantly increased the degree of conversion of all tested formulations, specifically for the hydrophobic resin (p <0.05). Despite the increase in degree of monomer conversion, higher water sorption/solubility values and lower biaxial flexure strengths were detected as a result of reductions in polymer crosslink density (p <0.05). In general, low DMSO-concentrations had no impact on the biaxial flexural strength, crosslinking density and water sorption/solubility (p <0.05).</p><p>Conclusion: DMSO-monomer ratio and monomer composition are critical for new dental methacrylate-based adhesive formulations. High DMSO incorporation hampers physico/mechanical properties of methacrylate bonding resins, albeit to a lesser extend when hydrophilic resins are employed. Nonetheless, DMSO-solvated hydrophobic adhesives extensively outperform their hydrophilic correspondents. DMSO incorporation of 1 w/w % may constitute a secure threshold regardless of monomer composition.</p>