Abstract
BackgroundThe purpose of this in vitro study was to evaluate the preventive effects of different protective agents on dentine erosion, measuring mean percentage weight loss. Dissolution of dentine under erosive challenges caused by soft drinks was analyzed: specimens were weighed following each immersion period, with mean percent weight losses calculated.Material and MethodsExtracted teeth were sectioned into uniform slabs. Seventy permanent enamel specimens were randomly distributed to seven groups. Initial weights of all dentin specimens were performed. The fluoride pastes Remin Pro, MI Paste Plus, Tooth Mousse, Biorepair, Biorepair Plus and Regenerate were used in this study. A control group was treated just with tap water. The specimens then were immersed in Coca-Cola for a total of 32 min at room temperature. Finally each specimen was dry and weighed. The mass loss was calculated as a percentage of that observed prior the fluoride pastes application. Weight loss data were subjected to Analysis of Variance (One-way ANOVA) followed by Bonferroni’s post hoc tests.ResultsPercent weight loss of specimens exposed to early stages in Coca-Cola showed linear progression with time. Specimen’s application of fluoridated varnishes such as Biorepair or Regenerate, prior immersion in Coca-Cola, significantly protect dentin from demineralization. Otherwise, application of Tooth Mousse or Biorepair Plus increased dentin demineralization starting from 24 min of immersion in Coca-Cola.ConclusionsDespite the limitations of this study, the protective pastes that showed the less weight loss due to the acidic challenge are Biorepair and Regenerate. Key words:Dentine, erosion, protective agents, soft drinks, toothpastes.
Highlights
Dental erosion is defined as the loss of tooth substance due to chemical processes not involving bacteria, caused by a variety of intrinsic and extrinsic factors
In order to evaluate if professionally applied highly fluoridated varnishes have preventive management on dentin erosion caused by Coca-Cola, the samples belonging to group 2, 3, 4, 5 and 6 were treated with different fluoride pastes: Remin e9
Remin Pro and MI Paste Plus reached higher percent weight loss hardness values than the previous materials, otherwise application of Tooth Mousse or Biorepair Plus didn’t protect dentin from demineralization caused by soft drink from the third immersion in Coca-Cola
Summary
Dental erosion is defined as the loss of tooth substance due to chemical processes not involving bacteria, caused by a variety of intrinsic and extrinsic factors. Dissolution of dentine resulting from immersion in soft drinks will be measured The purpose of this in vitro study was to evaluate the preventive effects of different protective agents on dentine erosion, measuring mean percentage weight loss. Dissolution of dentine under erosive challenges caused by soft drinks was analyzed: specimens were weighed following each immersion period, with mean percent weight losses calculated. Specimen’s application of fluoridated varnishes such as Biorepair or Regenerate, prior immersion in CocaCola, significantly protect dentin from demineralization. Application of Tooth Mousse or Biorepair Plus increased dentin demineralization starting from 24 min of immersion in Coca-Cola. Conclusions: Despite the limitations of this study, the protective pastes that showed the less weight loss due to the acidic challenge are Biorepair and Regenerate
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