Effect of simulated intraoral erosion and/or abrasion effects on etch-and-rinse bonding to enamel.
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Casas-Apayco, Leslie C
Hipólito, Ana Carolina
Dreibi, Vanessa Manzini
Giacomini, Marina Ciccone
Bim Júnior, Odair
Magalhães, Ana Carolina
MeSHAcid Etching, Dental
Bisphenol A-Glycidyl Methacrylate
Dental Stress Analysis
Microscopy, Electron, Scanning
MetadataShow full item record
CitationEffect of simulated intraoral erosion and/or abrasion effects on etch-and-rinse bonding to enamel. 2014, 27 (1):29-34 Am J Dent
PublisherAmerican Journal of Dentistry
JournalAmerican journal of dentistry (Am J Dent)
AbstractPURPOSE: To assess the influence of simulated oral erosive/abrasive challenges on the bond strength of an etch-and-rinse two-step bonding system to enamel using an in situ/ex vivo protocol. METHODS: Bovine enamel blocks were prepared and randomly assigned to four groups: CONT - control (no challenge), ABR - 3x/day-1 minute toothbrushing; ERO - 3x/day - 5 minutes extraoral immersion into regular Coca Cola; and ERO+ABR - erosive protocol followed by a 1-minute toothbrushing. Eight blocks were placed into an acrylic palatal appliance for each volunteer (n = 13), who wore the appliance for 5 days. Two blocks were subjected to each of the four challenges. Subsequently, all the blocks were washed with tap water and Adper Single Bond 2/Filtek Z350 were placed. After 24 hours, 1 mm2 beams were obtained from each block to be tested with the microtensile bond strength test (50 N load at 0.5 mm/minute). The data were statistically analyzed by one-way RM-ANOVA and Tukey's tests (alpha = 0.05). RESULTS: No difference was detected among the ABR, ERO, and CONT groups (P > 0.05). ERO+ABR group yielded lower bond strengths than either the ABR and ERO groups (P < 0.0113).
DescriptionEl texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
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