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Shear bond strength of orthodontic brackets bonded using halogen light and light-emitting diode at different debond times

dc.contributor.authorDi Nicoló, Rebeca [UNESP]
dc.contributor.authorde Araujo, Maria Amelia Maximo [UNESP]
dc.contributor.authorAlves, Levy Anderson César [UNESP]
dc.contributor.authorde Assunçao e Souza, Rodrigo Othavio [UNESP]
dc.contributor.authorda Rocha, Daniel Maranha [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:24:36Z
dc.date.available2014-05-27T11:24:36Z
dc.date.issued2010-01-01
dc.description.abstractThe aim of this in vitro study was to compare the photoactivation effects of QTH (Quartz-Tungsten-Halogen) and LED (Light-Emitting Diode) on the SBS (Shear Bond Strength) of orthodontic brackets at different debond times. Seventy-two bovine lower incisors were randomly divided into two groups according to the photoactivation system used (QTH or LED). The enamel surfaces were conditioned with Transbond self-etching primer, and APC (Adhesive Pre-Coated) brackets were used in all specimens. Group I was cured with QTH for 20 s and Group II with LED for 10 s. Both groups were subdivided according to the different experimental times after bonding (immediately, 24 h and 7 days). The specimens were tested for SBS and the enamel surfaces were analyzed according to the Adhesive Remnant Index (ARI). The statistical analysis included the Tukey's test to evaluate the main effects of photoactivation and debond time on SBS. The Chi-square test was used to compare the ARI values found for each group, and no statistically significant difference was observed. The debond time of 7 days for QTH photoactivation showed statistically greater values of SBS when compared to the immediate and 24 h periods. There was no statistically significant difference between the QTH and LED groups immediately and after the 24 h period. In conclusion, bonding orthodontic brackets with LED photoactivation for 10 s is suggested because it requires a reduced clinical chair time.en
dc.description.affiliationDepartment of Orthodontics and Pediatric Dentistry Faculdade de Odontologia de São José dos Campos Unesp, Univ Estadual Paulista, São José dos Campos, SP
dc.description.affiliationDepartment of Restorative Dentistry Faculdade de Odontologia de São José dos Campos Unesp - Univ Estadual Paulista, São José dos Campos, SP
dc.description.affiliationDepartment of Prosthesis Faculdade de Odontologia de São José dos Campos Unesp - Univ Estadual Paulista, São José dos Campos, SP
dc.description.affiliationUnespDepartment of Orthodontics and Pediatric Dentistry Faculdade de Odontologia de São José dos Campos Unesp, Univ Estadual Paulista, São José dos Campos, SP
dc.description.affiliationUnespDepartment of Restorative Dentistry Faculdade de Odontologia de São José dos Campos Unesp - Univ Estadual Paulista, São José dos Campos, SP
dc.description.affiliationUnespDepartment of Prosthesis Faculdade de Odontologia de São José dos Campos Unesp - Univ Estadual Paulista, São José dos Campos, SP
dc.format.extent64-69
dc.identifierhttp://dx.doi.org/10.1590/S1806-83242010000100011
dc.identifier.citationBrazilian Oral Research, v. 24, n. 1, p. 64-69, 2010.
dc.identifier.doi10.1590/S1806-83242010000100011
dc.identifier.file2-s2.0-77955523074.pdf
dc.identifier.issn1806-8324
dc.identifier.issn1807-3107
dc.identifier.lattes9255322461241527
dc.identifier.lattes4153738182937249
dc.identifier.orcid0000-0001-9132-0429
dc.identifier.scieloS1806-83242010000100011
dc.identifier.scopus2-s2.0-77955523074
dc.identifier.urihttp://hdl.handle.net/11449/71534
dc.language.isoeng
dc.relation.ispartofBrazilian Oral Research
dc.relation.ispartofjcr1.223
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCuring lights
dc.subjectDental
dc.subjectDental debonding
dc.subjectDental etching
dc.subjectOrthodontic brackets
dc.subjectresin cement
dc.subjectanimal
dc.subjectcattle
dc.subjectdental acid etching
dc.subjectdental bonding
dc.subjectdental debonding
dc.subjectdental equipment
dc.subjectmaterials testing
dc.subjectmethodology
dc.subjectorthodontic device
dc.subjectradiation exposure
dc.subjectshear strength
dc.subjectsurface property
dc.subjecttime
dc.subjectAcid Etching, Dental
dc.subjectAnimals
dc.subjectCattle
dc.subjectCuring Lights, Dental
dc.subjectDental Debonding
dc.subjectLight-Curing of Dental Adhesives
dc.subjectMaterials Testing
dc.subjectOrthodontic Brackets
dc.subjectResin Cements
dc.subjectShear Strength
dc.subjectSurface Properties
dc.subjectTime Factors
dc.titleShear bond strength of orthodontic brackets bonded using halogen light and light-emitting diode at different debond timesen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bor/iaboutj.htm
dspace.entity.typePublication
unesp.author.lattes9255322461241527
unesp.author.lattes4153738182937249[1]
unesp.author.orcid0000-0001-9132-0429[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Ciência e Tecnologia, São José dos Campospt
unesp.departmentMateriais Odontológicos e Prótese - ICTpt
unesp.departmentOdontologia Restauradora - ICTpt
unesp.departmentOdontologia Social e Clínica Infantil - ICTpt

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