Effect of whitening mouthrinses on enamel toothbrush abrasion

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dc.contributor.authorGomes Torres, Carlos Roctia [UNESP]
dc.contributor.authorBonicio, Gabrielle Costa [UNESP]
dc.contributor.authorCrastechini, Erica [UNESP]
dc.contributor.authorMailart, Mariane Cintra [UNESP]
dc.contributor.authorBorges, Alessandra Buhler [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2019-10-04T12:34:20Z
dc.date.available2019-10-04T12:34:20Z
dc.date.issued2018-12-01
dc.description.abstractPurpose: To evaluate the effect of whitening mouthrinses used before toothbrushing on enamel microhardness and wear. Methods: 80 polished bovine enamel specimens were randomly assigned into four groups according to the mouthrinses tested (n=20): PW: Plax Whitening - 1.5% hydrogen peroxide (HP); LW: Listerine Whitening Pre-Brush Rinse- 2% HP; U: Ultradex - Chlorine dioxide; C: Control - Artificial saliva. The specimens were immersed in the mouthrinses for 1 minute and brushed with 10 strokes, using a dentifrice containing sodium fluoride. After treatments, they were immersed in artificial saliva for 30 minutes. A total of 540 cycles were performed simulating 9 months of use. Enamel surface was assessed with a Knoop microhardness tester and by a contact profilometer before and after treatments to obtain the surface microhardness (KHN) and enamel loss (pm) values. The specimens were immersed in artificial saliva for an additional 30 days and microhardness was measured again. Data were analyzed by ANOVA and Tukey's tests (5%). Results: Significant differences were observed in KHN (P= 0.0001) and wear (P= 0.0001). Results of Tukey's for KHN: U-320.08 +/- 13.86a, PW-323.58 +/- 32.75a, LW-331.66 +/- 24.74a, C-354.24 +/- 16.40b. Wear (um): PW-10.03 +/- 0.94a, LW-9.92 +/- 0.81 a, U-8.88 +/- 1.02b, C-6.56 +/- 0.91c. Groups followed by the same letters do not present significant differences. After 30 days in saliva, there was no significant difference for SMH among the groups.en
dc.description.affiliationSao Paulo State Univ UNESP, Inst Sci & Technol, Dept Restorat Dent, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnespSao Paulo State Univ UNESP, Inst Sci & Technol, Dept Restorat Dent, Sao Jose Dos Campos, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 15/24307-3
dc.format.extent285-289
dc.identifier.citationAmerican Journal Of Dentistry. Weston: Mosher & Linder, Inc, v. 31, n. 6, p. 285-289, 2018.
dc.identifier.issn0894-8275
dc.identifier.urihttp://hdl.handle.net/11449/185298
dc.identifier.wosWOS:000455421900002
dc.language.isoeng
dc.publisherMosher & Linder, Inc
dc.relation.ispartofAmerican Journal Of Dentistry
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleEffect of whitening mouthrinses on enamel toothbrush abrasionen
dc.typeArtigo
dcterms.rightsHolderMosher & Linder, Inc
unesp.author.lattes6960470053037905[5]
unesp.author.orcid0000-0001-8967-0374[4]
unesp.author.orcid0000-0001-7686-089X[5]

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