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    Influence of Pre-Heating Regular Resin Composites and Flowable Composites on Luting Ceramic Veneers with Different Thicknesses

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    Author
    Tomaselli, Lucas de Oliveira; de Oliveira, Dayane Carvalho Ramos Salles; Favarão, Jamille; da Silva, Ariel Farias; Pires-de-Souza, Fernanda de Carvalho Panzeri; Geraldeli, Saulo; Sinhoreti, Mário Alexandre Coelho
    Abstract
    The aim of this study was to evaluate of pre-heating, filler contents and ceramic thickness on film thickness, microshear bond strength, degree of conversion and color change on ceramic veneers. Two experimental composites were prepared (Bis-GMA/UDMA/BisEMA/ TEGDMA), with different amounts of filler (65% or 50%wt) simulating a conventional and a flowable composite. The flowable (F) was used at room temperature and, the conventional either at room temperature (C) or pre-heated (CPH). Disk-shaped ceramics with different thickness (0.4 mm, 0.8 mm, 1.5 mm) were prepared. The film thickness was evaluated according to the ISO 4049 (n=10). The microshear bond strength (n=10) was evaluated in enamel using tubing specimens light-cured through the ceramic veneer. The degree of conversion was evaluated using Raman spectroscopy. The color change of the ceramic restorations (n=10) was evaluated by spectrophotometry. The results were submitted to 2-way ANOVA and Tukey’s post hoc test (a=5%). For the film thickness 1-way ANOVA was used (a=5%). The C presented the thicker film thickness; the CPH produced a similar film thickness in comparison to the F. All composites showed similar microshear bond strength. The degree of conversion of the F was higher than the C and CPH. The degree of conversion of the composites photo-activated through a 0.4 mm was higher than the composites photo-activated through thicker ceramics. The C showed the highest color change, while the CPH showed similar color change to the F. In conclusion, pre-heated conventional composites seem to be a potential alternative to lute ceramic veneers such as the flowable composites.
    URI
    http://hdl.handle.net/10342/8123
    Subject
    film thickness; degree of conversion; model composite; experimental composite
    Date
    2019-06-04
    Citation:
    APA:
    Tomaselli, Lucas de Oliveira, & de Oliveira, Dayane Carvalho Ramos Salles, & Favarão, Jamille, & da Silva, Ariel Farias, & Pires-de-Souza, Fernanda de Carvalho Panzeri, & Geraldeli, Saulo, & Sinhoreti, Mário Alexandre Coelho. (June 2019). Influence of Pre-Heating Regular Resin Composites and Flowable Composites on Luting Ceramic Veneers with Different Thicknesses. Brazilian Dental Journal, (30:5), p.. Retrieved from http://hdl.handle.net/10342/8123

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    MLA:
    Tomaselli, Lucas de Oliveira, and de Oliveira, Dayane Carvalho Ramos Salles, and Favarão, Jamille, and da Silva, Ariel Farias, and Pires-de-Souza, Fernanda de Carvalho Panzeri, and Geraldeli, Saulo, and Sinhoreti, Mário Alexandre Coelho. "Influence of Pre-Heating Regular Resin Composites and Flowable Composites on Luting Ceramic Veneers with Different Thicknesses". Brazilian Dental Journal. 30:5. (.), June 2019. August 17, 2022. http://hdl.handle.net/10342/8123.
    Chicago:
    Tomaselli, Lucas de Oliveira and de Oliveira, Dayane Carvalho Ramos Salles and Favarão, Jamille and da Silva, Ariel Farias and Pires-de-Souza, Fernanda de Carvalho Panzeri and Geraldeli, Saulo and Sinhoreti, Mário Alexandre Coelho, "Influence of Pre-Heating Regular Resin Composites and Flowable Composites on Luting Ceramic Veneers with Different Thicknesses," Brazilian Dental Journal 30, no. 5 (June 2019), http://hdl.handle.net/10342/8123 (accessed August 17, 2022).
    AMA:
    Tomaselli, Lucas de Oliveira, de Oliveira, Dayane Carvalho Ramos Salles, Favarão, Jamille, da Silva, Ariel Farias, Pires-de-Souza, Fernanda de Carvalho Panzeri, Geraldeli, Saulo, Sinhoreti, Mário Alexandre Coelho. Influence of Pre-Heating Regular Resin Composites and Flowable Composites on Luting Ceramic Veneers with Different Thicknesses. Brazilian Dental Journal. June 2019; 30(5) . http://hdl.handle.net/10342/8123. Accessed August 17, 2022.
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