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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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Tjäderhane, Leo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2021Dry bonding to dentincitations
- 2021The effect of chlorhexidine and dimethyl sulfoxide on long-term sealing ability of two calcium silicate cements in root canalcitations
- 2021The pursuit of resin-dentin bond durabilitycitations
- 2020Incorporation of dimethyl sulfoxide to model adhesive resins with different hydrophilicities : Physico/mechanical propertiescitations
- 2019Dentin bonding systems : From dentin collagen structure to bond preservation and clinical applications
- 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
- 2018Dentin bonding systems
- 2017Postradiation Matrix Metalloproteinase-20 Expression and Its Impact on Dental Micromorphology and Radiation-Related Cariescitations
- 2017Effect of dimethyl sulfoxide on dentin collagencitations
- 2016Dentin bond optimization using the dimethyl sulfoxide-wet bonding strategycitations
- 2016Use of crosslinkers to inactivate dentin MMPscitations
- 2015Effect of dimethyl sulfoxide wet-bonding technique on hybrid layer quality and dentin bond strengthcitations
- 2015Matrix Metalloproteinases and Other Matrix Proteinases in Relation to Cariologycitations
- 2015Role of Dentin MMPs in Caries Progression and Bond Stabilitycitations
- 2015Effect of ultraviolet A-induced crosslinking on dentin collagen matrixcitations
- 2007Chlorhexidine preserves dentin bond in vitro
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article
The pursuit of resin-dentin bond durability
Abstract
<p>Objective. Imperfect polymer formation as well as collagen's susceptibility to enzymatic-degradation increase the vulnerability of hybrid layers over time. This study investigated the effect of new dimethyl sulfoxide (DMSO)-containing pretreatments on long-term bond strength, hybrid layer quality, monomer conversion and collagen structure.</p><p>Methods. H3PO4-etched mid-coronal dentin surfaces from extracted human molars (n = 8) were randomly treated with aqueous and ethanolic DMSO solutions or following the ethanol-wet bonding technique. Dentin bonding was performed with a three-step etch-and-rinse adhesive. Resin-dentin beams (0.8 mm(2)) were stored in artificial saliva at 37 degrees C for 24 h and 2.5 years, submitted to microtensile bond strength testing at 0.5 mm/min and semi-quantitative SEM nanoleakage analysis (n = 8). Micro-Raman spectroscopy was used to determine the degree of conversion at different depths in the hybrid layer (n = 6). Changes in the apparent modulus of elasticity of demineralized collagen beams measuring 0.5 x 1.7 x 7 mm (n = 10) and loss of dry mass (n = 10) after 30 days were calculated via three-point bending and precision weighing, respectively.</p><p>Results. DMSO-containing pretreatments produced higher bond strengths, which did not change significantly over time presenting lower incidence of water-filled zones. Higher uniformity in monomer conversion across the hybrid layer occurred for all pretreatments. DMSO-induced collagen stiffening was reversible in water, but with lower peptide solubilization.</p><p>Significance. Improved polymer formation and higher stability of the collagen-structure can be attributed to DMSO's unique ability to simultaneously modify both biological and resin components within the hybrid layer. Pretreatments composed of DMSO/ethanol may be a viable-effective alternative to extend the longevity of resin-dentin bonds. (C) 2021 The Author(s). Published by Elsevier Inc. on behalf of The Academy of Dental Materials.</p>