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  • Research Article
    The influence of nanofillers on the properties of ethanol-solvated and non-solvated dental adhesives
    Leonardo Bairrada Tavares da Cruz, Marcelo Tavares Oliveira, Cintia Helena Coury Saraceni, Adriano Fonseca Lima
    Restor Dent Endod 2019;44(3):e28.   Published online July 24, 2019
    DOI: https://doi.org/10.5395/rde.2019.44.e28
    AbstractAbstract PDFPubReaderePub
    Objectives

    The aim of this study was to evaluate the influence of different concentrations of nanofillers on the chemical and physical properties of ethanol-solvated and non-solvated dental adhesives.

    Materials and Methods

    Eight experimental adhesives were prepared with different nanofiller concentrations (0, 1, 2, and 4 wt%) and 2 solvent concentrations (0% and 10% ethanol). Several properties of the experimental adhesives were evaluated, such as water sorption and solubility (n = 5, 20 seconds light activation), real-time degree of conversion (DC; n = 3, 20 and 40 seconds light activation), and stability of cohesive strength at 6 months (CS; n = 20, 20 seconds light activation) using the microtensile test. A light-emitting diode (Bluephase 20i, Ivoclar Vivadent) with an average light emittance of 1,200 mW/cm2 was used.

    Results

    The presence of solvent reduced the DC after 20 seconds of curing, but increased the final DC, water sorption, and solubility of the adhesives. Storage in water reduced the strength of the adhesives. The addition of 1 wt% and 2 wt% nanofillers increased the polymerization rate of the adhesives.

    Conclusions

    The presence of nanofillers and ethanol improved the final DC, although the DC of the solvated adhesives at 20 seconds was lower than that of the non-solvated adhesives. The presence of ethanol reduced the strength of the adhesives and increased their water sorption and solubility. However, nanofillers did not affect the water sorption and strength of the tested adhesives.

    Citations

    Citations to this article as recorded by  
    • Development of a Boron Nitride-Filled Dental Adhesive System
      Senthilguru Kulanthaivel, Jeremiah Poppen, Sandra Ribeiro Cunha, Benjamin Furman, Kyumin Whang, Erica C. Teixeira
      Polymers.2023; 15(17): 3512.     CrossRef
    • Analyses of Experimental Dental Adhesives Based on Zirconia/Silver Phosphate Nanoparticles
      Abdul Khan, Yasmin Alhamdan, Hala Alibrahim, Khalid Almulhim, Muhammad Nawaz, Syed Ahmed, Khalid Aljuaid, Ijlal Ateeq, Sultan Akhtar, Mohammad Ansari, Intisar Siddiqui
      Polymers.2023; 15(12): 2614.     CrossRef
    • Mechanical characterization and adhesive properties of a dental adhesive modified with a polymer antibiotic conjugate
      Camila Sabatini, Russell J. Aguilar, Ziwen Zhang, Steven Makowka, Abhishek Kumar, Megan M. Jones, Michelle B. Visser, Mark Swihart, Chong Cheng
      Journal of the Mechanical Behavior of Biomedical Materials.2022; 129: 105153.     CrossRef
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