Effect of polymerization techniques and cleaning solution on flexural resistance of acrylic resin chemically activated

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dc.contributor.authorOliveira, Derly Tescaro Narcizo de
dc.contributor.authorAlmeida, Margarete Teresa Gottrardo de
dc.contributor.authorRezende, Maria Cristina Rosifini Alves [UNESP]
dc.contributor.authorBertoz, André Pinheiro de Magalhães [UNESP]
dc.contributor.authorBigliazzi, Renato [UNESP]
dc.contributor.authorBertoz, Francisco Antônio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionFaculdade de Medicina de São José do Rio Preto (FAMERP)
dc.date.accessioned2016-01-28T16:54:13Z
dc.date.available2016-01-28T16:54:13Z
dc.date.issued2015
dc.description.abstractThe purpose of this study was to evaluate the impact of different disinfection solutions on flexural resistance of chemically-activated acrylic resin. Test pieces were made of clear acrylic resin using a rectangular mold and employing two techniques: wet polymerization under pressure (n = 20) and dry polymerization under pressure (n = 20). Test pieces were subdivided into four equal groups: distilled water (control), sodium bicarbonate, 1% sodium hypochlorite and effervescent ats. The 30-day cycling technique consisted of immersing the test pieces in 100 ml of solution for 10 min three times a day and placing them in closed containers containing artificial saliva at 37°C. Subsequently, the flexural resistance of samples was tested. Data were analyzed using two-way analysis of variance (ANOVA) with forces serving as the dependent variables and the polymerization technique and cleaning agents as independent variables. Post hoc multiple comparisons were performed using Tukey’s test. There was no statistically significant difference in the flexural strength between the two polymerization techniques. The greatest flexural strength was observed for the effervescent tablets group followed by the control and 1% sodium hypochlorite groups which were statistically similar. Thus, the sodium bicarbonate solution caused the lowest flexural resistance of the test pieces.en
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Materiais Odontológicos e Prótese, Faculdade de Odontologia de Araçatuba, Aracatuba, Rua José Bonifácio, 1193, Vila Mendonça, CEP 16015-050, SP, Brasil
dc.description.affiliationDepartment of Infectious Diseases, Inflammatory and Parasitic, Medical School of São José do Rio Preto-FAMERP, São Paulo, Brazil
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Materiais Odontológicos e Prótese, Faculdade de Odontologia de Araçatuba, Aracatuba, Rua José Bonifácio, 1193, Vila Mendonça, CEP 16015-050, SP, Brasil
dc.format.extent28-32
dc.identifierhttp://www.academicjournals.org/journal/JDOH/article-abstract/00045A250896
dc.identifier.citationJournal of Dentistry and Oral Hygiene, v. 7, n. 3, p. 28-32, 2015.
dc.identifier.fileISSN2141-2472-2015-07-03-28-32.pdf
dc.identifier.issn2141-2472
dc.identifier.lattes9184489134524097
dc.identifier.orcid0000-0002-1327-9667
dc.identifier.urihttp://hdl.handle.net/11449/133232
dc.language.isoeng
dc.relation.ispartofJournal of Dentistry and Oral Hygiene
dc.rights.accessRightsAcesso aberto
dc.sourceCurrículo Lattes
dc.subjectPolymethyl methacrylateen
dc.subjectMaterial resistanceen
dc.subjectDisinfectionen
dc.subjectOrthodontic appliancesen
dc.titleEffect of polymerization techniques and cleaning solution on flexural resistance of acrylic resin chemically activateden
dc.typeArtigo
unesp.author.lattes9184489134524097
unesp.author.lattes3787326351445431[4]
unesp.author.orcid0000-0002-1327-9667[3]
unesp.author.orcid0000-0002-1746-3138[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araçatubapt
unesp.departmentMateriais Odontológicos e Prótesept

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