Abstract
The aim of this in vitro study was to assess the effect of different fluoride-containing mouthrinses on the translucence of resin-modified glass ionomer cements, as a function of the restorative material used, the fluoride-containing solution employed and the time of immersion. Disks were prepared (10 mm × 2 mm) with the modified glass ionomer cements Vitremer (3M) and Fuji II LC (GC Co.), and immersed in three fluoride-containing solutions: Fluordent Reach (Johnson & Johnson), Fluorgard (Colgate-Palmolive) and Oral B (Gillette do Brasil Ltda). Translucence was measured with electrophoresis equipment (JOUAN) after different immersion times. The results obtained were submitted to ANOVA and Tukey's test, and a statistically significant decrease was observed in the translucence of the materials after immersion in the fluoride-containing solutions. Fuji II LC demonstrated the lowest alteration in translucence, independently of the solution employed. Fluorgard was the fluoride-containing mouthrinse that promoted the highest alteration. It can be concluded that the fluoride-containing mouthrinses influenced the translucence of the resin-modified glass ionomer cements.
Highlights
From the understanding of the dynamics of the carious process, it was possible to observe that lesions originating from demineralization of the dental surface could develop into cavities, stay static or remineralize, the remineralized surfaces being more resistant to demineralization than the sound ones[1,2].For a more effective remineralization process, it is necessary to control the bacterial biofilm and maintain a constant presence of fluoride in the oral cavity using 0.05% fluoride-containing solutions for daily domestic use
In comparison of materials independent of solutions and time period was observed that Fuji II LC - M2 (44.80% ± 4.09%) presented the highest rate of translucence, being statistically significant different (p
The use of fluoride-containing solutions and restorative materials with anticariogenic properties are suitable for the control of caries disease; the daily use of mouthrinses can interfere in the esthetical properties of the restorative materials, such as translucence
Summary
For a more effective remineralization process, it is necessary to control the bacterial biofilm and maintain a constant presence of fluoride in the oral cavity using 0.05% fluoride-containing solutions for daily domestic use. According to the caries risk, the use of fluoride-containing solutions becomes a practical option for remineralization treatment. The routine use of such products can interfere or even alter the properties of some esthetic restorative materials, such as glass ionomer cements, compomers and composite resins[6,7,8]. The composition of the esthetic restorative materials and the shape of their external surface may lead to the absorption of liquids and dyes, and to staining[9,10,11].
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