Examinando por Autor "Velasco Delgado, Anghely"

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    Colour stability in composite resin and giomer subjected to pigmented beverages: comparative in vitro study, Lima 2018
    (Universidad Privada Norbert Wiener, 2019-01-23) Velasco Delgado, Anghely; Reynafarje Reyna, Julio César
    The purpose of this research was to determine the color stability in a composite resin and a giomer, both subjected to three pigmented beverages: coffee, wine, and purple corn for 24 hours. The study was experimental, involving a sample of 30 specimens of composite resin and giomer, divided into 6 groups with 5 specimens per pigmented beverage. Each specimen had a diameter of 10mm and a height of 2mm. The specimens were submerged in 3 pigmented beverages: coffee, wine, and purple corn for a period of 24 hours. The instrument used was the Chromascop colorimeter, as it is the most widely used in daily professional practice. The database was entered into an Excel 2016 spreadsheet and later processed in the SPSS 25 statistical program. A 5% confidence level and a 95% confidence interval were applied. The results showed that in both the composite resin and giomer groups, color stability was higher with coffee and purple corn, both showing a 33.3% stability rate. An association between color stability and the pigmented beverages was observed in each group. The study concluded that there were no differences in color stability between composite resin and giomer when subjected to the three pigmented beverages.