Abstract

The objective this paper is evaluate influence of photoativation with halogen light and LED on conversion’s degree of two different composites. Thirty samples were divided in six groups considering type of composite, photoativation unit and type of polimerization used. Raman spectrophotometry was used to measure the degree of conversion. The Non-polimerized and polimerized samples were compared to evaluate if there was any difference on the degree of conversion to Ho1: composites; Ho2: diferent polimerization sources and Ho3: diferent activation modes. Anova and T Student were utlilized to statistical analysis. Results showed difference between the degrees of conversion of the different composites expressing a higher value for nanoparticulate resins, which could be explained by the presence of the TEGDMA on the composition of the matrix.

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