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The effect of aspartame and pH changes on the erosive potential of cola drinks in bovine enamel : an in vitro study

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The effect of aspartame and pH changes on the erosive potential of cola drinks in bovine enamel : an in vitro study

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dc.contributor.author Rios, Daniela es
dc.contributor.author Ionta, Franciny-Querobim es
dc.contributor.author Rebelato, Rafael es
dc.contributor.author Jordão, Maisa-Camillo es
dc.contributor.author Wang, Linda es
dc.contributor.author Magalhães, Ana-Carolina es
dc.contributor.author Honório, Heitor-Marques es
dc.date.accessioned 2018-11-28T12:48:29Z
dc.date.available 2018-11-28T12:48:29Z
dc.date.issued 2018 es
dc.identifier.citation Rios, Daniela ; Ionta, Franciny-Querobim ; Rebelato, Rafael ; Jordão, Maisa-Camillo ; Wang, Linda ; Magalhães, Ana-Carolina ; Honório, Heitor-Marques. The effect of aspartame and pH changes on the erosive potential of cola drinks in bovine enamel : an in vitro study. En: Journal of Clinical and Experimental Dentistry, 10 9 2018: 933-937 es
dc.identifier.uri http://hdl.handle.net/10550/68126
dc.description.abstract The aim of this study was to clarify the mechanism behind the different erosive potential of regular and light cola drinks: pH difference and/or aspartame presence. Sixty bovine enamel blocks were randomly divided into 5 groups: RC - regular cola, RCpH - addition of base to increase regular cola pH, RCAS - addition of aspartame to regular cola, LC - light cola, and LCpH - addition of acid to decrease light cola pH. Two-thirds of the blocks surface was coated with nail varnish for reference. The samples were daily subjected to four erosive challenges for 2 minutes. Between the erosive challenges (2h) and overnight the samples were maintained in artificial saliva. The response variable was the percentage surface hardness change (%SHC) after 1st experimental day and enamel surface loss (µm) measured at the 5th day by profilometry. Data were analyzed by ANOVA and Tukey?s test (p<0.05). Independently of the cola modifications, all groups promoted similar hardness change of enamel surface. RC promoted higher enamel loss (6.69±0.71µm) than LC (4.80±0.77µm). The acid addition to light cola (LCpH: 6.60±1.78µm) significantly enhanced its erosive potential, which did not differ from RC. The base addition to regular cola (RCpH-4.00±0.64µm) resulted in similar wear to LC. The addition of aspartame to the regular cola (RCAS 5.44±0.65µm) resulted in similar wear to LC and RC. The data suggest that the pH alteration has a major impact on the erosive potential of cola drinks, however, the sweetener also has some influence. es
dc.title The effect of aspartame and pH changes on the erosive potential of cola drinks in bovine enamel : an in vitro study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54963 es
dc.type.hasVersion VoR es_ES

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