The influence of polymerization type and reinforcement method on flexural strength of acrylic resin

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dc.creatorFonseca, Rodrigo Borges
dc.creatorKasuya, Amanda Vessoni Barbosa
dc.creatorFavarão, Isabella Negro
dc.creatorNaves, Lucas Zago
dc.creatorHoeppner, andMárcio Grama
dc.date.accessioned2020-09-21T22:34:47Z
dc.date.available2020-09-21T22:34:47Z
dc.date.issued2015
dc.description.abstractThe aim of this study was to evaluate the flexural strength of acrylic resin bars by varying the types of resin polymerization and reinforcement methods. Fourteen groups (𝑁 = 10) were created by the interaction of factors in study: type of resin (self-cured (SC) or heat-cured (HC)) and reinforcement method (industrialized glass fiber (Ind), unidirectional glass fiber (Uni), short glass fiber (Short), unidirectional and short glass fiber (Uni-Short), thermoplastic resin fiber (Tpl), and steel wire (SW)). Reinforced bars (25×2×2mm) were tested in flexural strength (0.5 mm/min) and examined by scanning electron microscopy (SEM). Data (MPa) were submitted to factorial analysis, ANOVA, and Tukey and T-student tests (𝑎 = 5%) showing significant interaction (𝑃 = 0.008), for SC:Uni (241.71±67.77)a,Uni-Short (221.05±71.97)a, Ind(215.21±46.59)ab, SW(190.51±31.49)abc, Short (156.31±28.76)bcd, Tpl (132.51±20.21)cd, Control SC(101.47±19.79)d and for HC: Ind (268.93±105.65)a, Uni (215.14±67.60)ab, Short (198.44±95.27)abc, Uni-Short (189.56±92.27)abc, Tpl (161.32±62.51)cd, SW(106.69±28.70)cd, andControl HC(93.39±39.61)d. SEManalysis showed better fiber-resin interaction for HC. Nonimpregnated fibers, irrespective of their length, tend to improve fracture strength of acrylics.pt_BR
dc.identifier.citationFONSECA, Rodrigo Borges et al. The influence of polymerization type and reinforcement method on flexural strength of acrylic resin. Scientific World Journal, London, v. 2015, p. 1-8, 2015.pt_BR
dc.identifier.doi10.1155/2015/919142
dc.identifier.issn2356-6140
dc.identifier.issne- 1537-744X
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/19050
dc.language.isoengpt_BR
dc.publisher.countryGra-bretanhapt_BR
dc.publisher.departmentFaculdade de Odontologia - FO (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.titleThe influence of polymerization type and reinforcement method on flexural strength of acrylic resinpt_BR
dc.typeArtigopt_BR

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