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Antioxidant pre-treatments are able to reduce waiting time for restorative treatment after dental bleaching: a microtensile bond strength exploratory study

datacite.subject.fosCiências Médicas
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorLobo, Sofia
dc.contributor.authorSantos, Inês Caetano
dc.contributor.authorDelgado, António H. S.
dc.contributor.authorProença, Luís
dc.contributor.authorPolido, Mário
dc.contributor.authorAzul, Ana Mano
dc.contributor.authorMendes, José João
dc.date.accessioned2025-09-09T10:53:19Z
dc.date.available2025-09-09T10:53:19Z
dc.date.issued2021-05
dc.description.abstractThe aim was to evaluate the effect of different antioxidant agents on the improvement of bond strength to enamel subjected to a whitening procedure. Samples were divided into six groups (n = 10): control; whitening immediately followed by restorative treatment (WHT); whitening and restoration after a 7-day period (WHT_7D); whitening and application of 10% sodium ascorbate (WHT_SA); application of 5% grape seed extract (WHT_GS); and application of 5% green tea (WHT_GT). All groups except for control fwere whitened (Opalescence PF Regular 16%) for 7 days (4 h/day). All samples were restored (Optibond™ FL, Kerr and Filtek™ Z250 composite, 3M ESPE). In antioxidant groups these were applied for 15 min and immediately restored. Specimens were sectioned in microspecimens (1.0 ± 0.2 mm2 area) for microtensile bond strength (μTBS) testing (0.5 mm/min) on a universal testing machine. ANOVA test with Brown-Forsythe correction and Games-Howell post-hoc test was used (significance level of 5%). Antioxidant groups presented significant higher mean μTBS values than group WHT (p < 0.001). The non-whitened control group was not significantly different to antioxidant experimental groups. Group WHT_7D exhibited a significantly higher mean μTBS value when compared to group WHT (p = 0.022). The different antioxidants significantly influenced microtensile bond strength of restored teeth after whitening.eng
dc.identifier.citationLobo, S., Santos, I.C., Delgado, A.H.S. et al. Antioxidant pre-treatments are able to reduce waiting time for restorative treatment after dental bleaching: a microtensile bond strength exploratory study. Appl Adhes Sci 9, 4 (2021). https://doi.org/10.1186/s40563-021-00134-x
dc.identifier.doi10.1186/s40563-021-00134-x
dc.identifier.issn2196-4351
dc.identifier.urihttp://hdl.handle.net/10400.26/58627
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relation.hasversionhttps://doi.org/10.1186/s40563-021-00134-x
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAntioxidant
dc.subjectBond strenght
dc.subjectDental bleaching
dc.subjectDental whitening
dc.subjectSodium ascorbate
dc.subjectGrape seed extract
dc.subjectGreen tea
dc.titleAntioxidant pre-treatments are able to reduce waiting time for restorative treatment after dental bleaching: a microtensile bond strength exploratory studyeng
dc.typecontribution to journal
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.startPage4
oaire.citation.titleApplied Adhesion Science
oaire.citation.volume9
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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