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.

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

Issue

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

Section

Clinical or Laboratorial Research