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Flexural behavior of glass fiber reinforced composite wires with two monomer compositions compared to steel wire used as an orthodontic retainer

Flexural behavior of glass fiber reinforced composite wires with two monomer compositions... The aim of this study was to investigate the mechanical properties of fiber reinforced composite (FRC) wires with different polymer matrices and compare them with steel wires commonly used in orthodontic retention. Eight groups of the FRC wires (continuous unidirectional E-glass) and a control group of steel metal Penta One 0.0215′′ were tested with a 3-point bending test. The FRC wire groups consisted of two thicknesses of fiber rovings (300-tex and 600-tex) which were impregnated with a light-curing monomer resin system of bis-GMA/PMMA or bis-Mepp/dimetacrylate/prosphoric ester monomer. The bending was continued until breakage of the specimen or to the strain of 3 mm using a span length of 10 mm and cross-head speed 1.00 mm/minute. The data were analysed using analysis of variance (ANOVA). The maximum load values of the FRC wire groups varied between 1.3 and 20.0 N, and the control group was 2.4 N. Specimens of 600-tex groups had considerably higher load values than 300-tex groups. The load value of the control steel group was close to the load value of in the 300-tex groups. Bis-GMA/PMMA impregnated FRC demonstrated higher values of maximum load than bis-Mepp/dimethacrylate/prosphoric ester monomere resin impregnated FRC. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Strength, Fracture and Complexity IOS Press

Flexural behavior of glass fiber reinforced composite wires with two monomer compositions compared to steel wire used as an orthodontic retainer

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Publisher
IOS Press
Copyright
Copyright © 2015 IOS Press and the authors. All rights reserved
ISSN
1567-2069
eISSN
1875-9262
DOI
10.3233/SFC-160190
Publisher site
See Article on Publisher Site

Abstract

The aim of this study was to investigate the mechanical properties of fiber reinforced composite (FRC) wires with different polymer matrices and compare them with steel wires commonly used in orthodontic retention. Eight groups of the FRC wires (continuous unidirectional E-glass) and a control group of steel metal Penta One 0.0215′′ were tested with a 3-point bending test. The FRC wire groups consisted of two thicknesses of fiber rovings (300-tex and 600-tex) which were impregnated with a light-curing monomer resin system of bis-GMA/PMMA or bis-Mepp/dimetacrylate/prosphoric ester monomer. The bending was continued until breakage of the specimen or to the strain of 3 mm using a span length of 10 mm and cross-head speed 1.00 mm/minute. The data were analysed using analysis of variance (ANOVA). The maximum load values of the FRC wire groups varied between 1.3 and 20.0 N, and the control group was 2.4 N. Specimens of 600-tex groups had considerably higher load values than 300-tex groups. The load value of the control steel group was close to the load value of in the 300-tex groups. Bis-GMA/PMMA impregnated FRC demonstrated higher values of maximum load than bis-Mepp/dimethacrylate/prosphoric ester monomere resin impregnated FRC.

Journal

Strength, Fracture and Complexity – IOS Press

Published: Jan 1, 2016

References

  • Bonded orthodontic retainers: A review
    Bearn
  • Caries and periodontal reactions associated with long-term use of different type of bonded lingual retainers
    Årtun
  • Clinical experience with different bonded orthodontic retainers
    Zachrisson
  • Hygiene status associated with different types of bonded orthodontic canine to canine retainers
    Årtun