Influence of the addition of glass fibers reinforcements in the flexural strength of acrylic resin

Authors

  • João Gabriel Ezequiel Possari Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil. https://orcid.org/0000-0003-1970-5062
  • Samia Carolina Mota Sacorague Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil. https://orcid.org/0000-0001-6029-1637
  • Fernanda Alves Feitosa São Lucas College – Department of Odontology – Caçapava – SP – Brazil. https://orcid.org/0000-0003-0648-5988
  • Marcela Moreira Penteado Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil. http://orcid.org/0000-0002-0333-5135
  • Luigi Giovanni Bernardo Sichi Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil. https://orcid.org/0000-0001-6256-9364
  • Rodrigo Máximo De Araújo Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil. https://orcid.org/0000-0002-9084-0585

DOI:

https://doi.org/10.14295/bds.2020.v23i3.1955

Abstract

Objective: To evaluate the influence of glass fiber reinforcements used in nautical and sports products on the flexural strength of acrylic resin. Materials and methods: Thirty thermoactivated acrylic resin bars (25 x 10.5 x 3.3 mm) were used. The samples were shared in 3 groups: bars with no glass fiber (control group, n = 10), bars reinforced with glass fiber and 0.18 mm thickness (group F1, n = 10) and bars reinforced with glass fiber and 0.80 mm thickness (group F2, n = 10). After 48 hours, samples were submitted to compression test in order to evaluate flexural strength. Obtained data were statistically analyzed with significance level of 5 %. Results: It was observed that the use of glass fiber effectively increased the flexural strength compared to the control group; the thickness of the glass fiber, however, did not present statistical differences. Conclusion: The use of fiber glass is a simple and cost-effective alternative to improve acrylic resin performance.

Keywords

Flexural strength; Water sports; Dentures.

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Author Biographies

Fernanda Alves Feitosa, São Lucas College – Department of Odontology – Caçapava – SP – Brazil.

Coordinator of the course of Odontology. 

Marcela Moreira Penteado, Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil.

Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos/SP, Brazil

 

Luigi Giovanni Bernardo Sichi, Unesp – Univ Estadual Paulista – Institute of Science and Tecnologia, São José dos Campos – Department of Dental Materials and Prosthodontics - São José dos Campos – SP – Brazil.

Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos/SP, Brazil

 

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Published

2020-06-30

How to Cite

1.
Possari JGE, Sacorague SCM, Feitosa FA, Penteado MM, Sichi LGB, De Araújo RM. Influence of the addition of glass fibers reinforcements in the flexural strength of acrylic resin. BDS [Internet]. 2020 Jun. 30 [cited 2025 Aug. 21];23(3):5 p. Available from: https://ojs.ict.unesp.br/index.php/cob/article/view/1955

Issue

Vol. 23 No. 3 (2020): Jul - Sep / 2020 - Published June 2020

Section

Clinical or Laboratorial Research

License

Brazilian Dental Science uses the Creative Commons (CC-BY 4.0) license, thus preserving the integrity of articles in an open access environment. The journal allows the author to retain publishing rights without restrictions.

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