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- W855911567 abstract "BRIGHENTI FL. In vitro evaluation of toothpaste with low fluoride content and acidulated pH. [dissertation]. Aracatuba: Universidade Estadual Paulista, 2004. Fluoride dentifrices are a risk factor for the development of dental fluorosis. Products with low-fluoride content offer a higher security, but their effectiveness must be proven. The aim of this study was to evaluate in vitro two low fluoride (412 and 550 μg F/g) acidulated toothpastes in comparison with the neutral ones. Enamel bovine blocks were selected through surface microhardness and submitted to pH cycling and daily treatment (2x) with toothpastes placebo, 275, 412, 550 and 1,100 μg F/g in two different pH (7.0 and 5.5) and the market toothpastes Crest (positive control) and Colgate Baby (500 μg F/g). The calculation of surface microhardness change (%SMHC), mineral loss (∆Z) and the assessment of fluoride in enamel and fluoride, calcium and phosphate content in solutions after the pH cycling were then performed. Compared to neutral dentifrices, the acidulated toothpastes reduced the %SMHC in all F concentrations but there were no statistical differences regarding F content in enamel (p<0.05). More F and less Ca and P content were found in solutions for the acidulated toothpastes. Regarding mineral loss, only the groups Crest, 1,100 acidulated and neutral were not statistically different. A dose-response relationship was observed. The 550 μg F/g pH 5.5 dentifrice had similar anticariogenic action when compared to the 1100 μg F/g pH 7.0 dentifrice. Key-words: Toothpaste. Dental enamel. Fluoride. Dental caries – Prevention and control. Preventive Dentistry. Demineralization." @default.
- W855911567 created "2016-06-24" @default.
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- W855911567 date "2004-01-01" @default.
- W855911567 modified "2023-09-23" @default.
- W855911567 title "Avaliação in vitro de dentifrícios com concentrações reduzidas de fluoreto e pH acidulado" @default.
- W855911567 hasPublicationYear "2004" @default.
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