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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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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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Alifui-Segbaya, Frank
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2019Characterization of the Double Bond Conversion of Acrylic Resins for 3D Printing of Dental Prostheses.
- 2018Additive Manufacturing of Cobalt-Based Dental Alloys: Analysis of Microstructure and Physicomechanical Propertiescitations
- 2015In vitro corrosion analyses of heat treated cobalt-chromium alloys manufactured by direct metal laser sinteringcitations
- 2011'In vitro' tensile tests and corrosion analyses of a rapid manufacture-produced cobalt-chromium alloy compared to cast cobalt-chromium alloys
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article
Characterization of the Double Bond Conversion of Acrylic Resins for 3D Printing of Dental Prostheses.
Abstract
Characterization of the double bond conversion of acrylic resins is considered critical in the evaluation of dental materials due to the propensity of end-use devices to accumulate residual monomer and degradation products that can cause local and systemic side effects in high doses. In this study, the authors examine two different acrylic-based photopolymers indicated for 3D printing of dental prostheses using Fourier transform infrared spectroscopy: a denture base material comprising ≥75% ethoxylated bisphenol A dimethacrylate, and a crown-and-bridge material composed of >60% proprietary methacrylic oligomer and 15%-25% 2-hydroxyethyl methacrylate. Infrared spectroscopy data showed a conversion rate (240 s) of 52.37 ± 1.05% for the former material and 45.36 ± 1.41% for the latter. Compared to traditional acrylic resins, both materials exhibited a considerably lower degree of conversion. With limited scientific data available on the clinical performance of 3D printing materials in general, additional evidence is needed to ascertain their in vivo performance in the long-term.