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Odontología Vital
versão On-line ISSN 1659-0775versão impressa ISSN 1659-0775
Resumo
ARCOS TOMAL, Lidia Consuelo; MONTANO TATE, Víctor Alfonso e ARMAS, Ana del Carmen. Color stability of flow composite resins after contactfor 30 days with two gaseous beverages: in vitro study. Odontología Vital [online]. 2019, n.30, pp.59-64. ISSN 1659-0775.
Objective:
Evaluatethe color stability of three flow composite resins, by a digital colorimeter after contactfor 30 days with softdrinks.
Materials and methods:
21 discs of 8 mm diameter and 2 mm thickNess were constructed with flowAlpha, Brilliant, Wave and Opallis resin, the color evaluation was performed by digital colorimeter and theweight with precision balance, after contact in distilled waterfor 24 hours. The discs were subdivided into four subgroups (n = 7) and submerged for 30 days in 10 ml of Coca-Cola, Fantaor artificial saliva, aftera new evaluation of color and weight was performed. The data was analyzed by the Kruskal Wallis, Wilcoxon, Anova and Tukey statistical tests.
Results:
Alpha Flow resin showed greater resistanceto color variation after 30 days in contact with the gaseous beverages evaluated, Coca-Cola showed greater color modification in materials, without significant difference between initial weight and the final weight between the materials.
Conclusions:
Alpha Flow resin showed greater stability to the color change, Coca-Cola was the gaseous drink with greater influence in the color change; No changes in weight.
Palavras-chave : Gaseous beverages; color; weight; composite resins.