Erosive cola-based drinks affect the bonding to enamel surface: an in vitro study
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Authors
Casas-Apayco, LeslieDreibi, Vanessa Manzini
Hipólito, Ana Carolina
Graeff, Márcia Sirlene Zardin
Rios, Daniela
Magalhaes, Ana Carolina
Buzalaf, Marília Afonso Rabelo
Wang, Linda
Issue Date
2014-08-04
Metadata
Show full item recordCitation
J. Appl. Oral Sci., ahead of print Epub June 10, 2014Publisher
Faculdade De Odontologia De Bauru - USPJournal
Journal of Applied Oral ScienceDOI
10.1590/1678-775720130468Abstract
Objective: This study aimed to assess the impact of in vitro erosion provoked by different cola-based drinks (Coke types), associated or not with toothbrushing, to bonding to enamel. Material and methods: Forty-six bovine enamel specimens were prepared and randomly assigned into seven groups (N=8): C- Control (neither eroded nor abraded), ERO-RC: 3x/1-minute immersion in Regular Coke (RC), ERO-LC: 3x/1-minute immersion in Light Coke (LC), ERO-ZC: 3x/1-minute immersion in Zero Coke (ZC) and three other eroded groups, subsequently abraded for 1-minute toothbrushing (EROAB-RC, EROAB-LC and EROAB-ZC, respectively). After challenges, they were stored overnight in artificial saliva for a total of 24 hours and restored with Adper Single Bond 2/Filtek Z350. Buildup coronal surfaces were cut in 1 mm2-specimens and subjected to a microtensile test. Data were statistically analyzed by two-way ANOVA/Bonferroni tests (a=0.05). Failure modes were assessed by optical microscopy (X40). The Interface of the restorations were observed using Confocal Laser Scanning Microscopy (CLSM). Results: All tested cola-based drinks significantly reduced the bond strength, which was also observed in the analyses of interfaces. Toothbrushing did not have any impact on the bond strength. CLSM showed that except for Zero Coke, all eroded specimens resulted in irregular hybrid layer formation. Conclusions: All cola-based drinks reduced the bond strength. Different patterns of hybrid layers were obtained revealing their impact, except for ZC.Type
info:eu-repo/semantics/articleRights
info:eu-repo/semantics/openAccessLanguage
engISSN
1678-7757ae974a485f413a2113503eed53cd6c53
10.1590/1678-775720130468
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