Abstract
Surface smoothness is an important feature of restorative material. Thus, composite roughness levels should be low to make retention of dental biofilm. Alterations of the surface of composite resin restorations can be associated to drinks and acidic foods, components of saliva, finishing and polishing methods, as well as the action of bleaching agents, rinses and fluoride. Purpose: To evaluate the effect of mouth rinses in superficial roughness of composite resin through a quantitative evaluation. Methods: 48 specimens with composite resin FiltekTM Z350 XT were made and divided into 4 groups (n=12): distilled water, Colgate® Plax, Oral B® and Listerine®. Specimens were made using a rectangular matrix with holes, each measuring 0.8 cm of internal diameter and 0.2 cm in thickness. The specimens were immersed in 50 ml of each substance, for 12 hours, to simulate a year of daily use of the solution for 2 minutes. Then specimens were stored in distilled water until reading of the roughness tester. Data were statistically treated by ANOVA and Tukey tests, with a significance level of 95%. Results: No statistically significant difference was observed between the control group and Listerine® (p = 0.03). When comparing the average roughness of different brands of mouthwashes, there was no statistically significant difference (p > 0.05). Conclusions: Among the mouthwashes tested, only Listerine® caused statistically significant increase in superficial roughness of the composite resin used.
Highlights
Surface smoothness is an important feature of restorative material
Estes resultados diferem do presente estudo, cuja rugosidade superficial dos espécimes que foram submetidos apenas a ação dos enxaguatórios bucais apresentou-se aumentada em todos os grupos
Não houve diferença estatisticamente relevante entre as médias de rugosidade superficial dos enxaguatórios bucais do presente estudo
Summary
Surface smoothness is an important feature of restorative material. composite roughness levels should be low to make retention of dental biofilm. Em relação à influência dos enxaguatórios bucais na rugosidade superficial da resina composta, os dados encontrados na literatura são muito diversos e, diante disso, faz-se necessária a realização de novos estudos, utilizando-se métodos qualitativos e/ ou quantitativos, no intuito de promover uma melhor análise do comportamento dessas substâncias. Já o enxaguatório Listerine®, em cuja composição há presença de álcool, provocou aumento estatisticamente significante da rugosidade superficial da resina composta FiltekTM Z350 XT, corroborando com os achados obtidos por Hama rassul et al.[25].
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