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Information Journal Paper

Title

EFFECT OF SHADE AND LIGHT CURING MODE ON THE DEGREE OF CONVERSION OF SILORANE-BASED AND METHACRYLATE-BASED RESIN COMPOSITES

Pages

  299-305

Abstract

 Statement of Problem: The DEGREE OF CONVERSION depends on the material composition, light source properties, distance from light source, light intensity, curing time, and other factors such as shade and translucency.Objectives: In the present study, we evaluated the effects of different light-curing modes and shades of methacrylate and SILORANE-BASED RESIN COMPOSITES on the DEGREE OF CONVERSION of resin COMPOSITES (DC).Materials and Methods: The methacrylate-based (Filtek Z250, 3M, ESPE) and low-shrinkage silorane-based (Filtek P90, 3M, ESPE) resin COMPOSITES were used in three groups as follows: group 1-Filtek Z250 (shade A3), group 2-Filtek Z250 (shade B2), and group 3-Filtek P90 (shade A3). We used a light-emitting diode (LED) curing unit for photopolymerization.10 samples were prepared in each group to evaluate the DEGREE OF CONVERSION; 5 samples were cured using SOFT-START CURING mode, and the other 5 were cured using standard curing mode. The DC of the resin COMPOSITES was measured using Fourier Transform Infrared Spectroscopy (FTIR). The data were analyzed using Kruskal Wallis and one-way ANOVA statistical tests.Results: The DEGREE OF CONVERSION of SILORANE-BASED RESIN composite was 70 - 75.8% and that of METHACRYLATE-BASED RESIN COMPOSITES was 60.2 - 68.2% (p=0.009). The DEGREE OF CONVERSION of the composite with brighter colour (B2) was statistically more than the darker composite (A3). Higher DEGREE OF CONVERSION was achieved applying the standard curing mode.Conclusions: The results of the study showed that the colour and type of the resin composite and also the curing mode influence the DEGREE OF CONVERSION of resin COMPOSITES.

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    Cite

    APA: Copy

    MOUSAVINASAB, S.M., ATAI, M., SALEHI, N., & SALEHI, A.. (2016). EFFECT OF SHADE AND LIGHT CURING MODE ON THE DEGREE OF CONVERSION OF SILORANE-BASED AND METHACRYLATE-BASED RESIN COMPOSITES. JOURNAL OF DENTAL BIOMATERIALS, 3(4), 299-305. SID. https://sid.ir/paper/343888/en

    Vancouver: Copy

    MOUSAVINASAB S.M., ATAI M., SALEHI N., SALEHI A.. EFFECT OF SHADE AND LIGHT CURING MODE ON THE DEGREE OF CONVERSION OF SILORANE-BASED AND METHACRYLATE-BASED RESIN COMPOSITES. JOURNAL OF DENTAL BIOMATERIALS[Internet]. 2016;3(4):299-305. Available from: https://sid.ir/paper/343888/en

    IEEE: Copy

    S.M. MOUSAVINASAB, M. ATAI, N. SALEHI, and A. SALEHI, “EFFECT OF SHADE AND LIGHT CURING MODE ON THE DEGREE OF CONVERSION OF SILORANE-BASED AND METHACRYLATE-BASED RESIN COMPOSITES,” JOURNAL OF DENTAL BIOMATERIALS, vol. 3, no. 4, pp. 299–305, 2016, [Online]. Available: https://sid.ir/paper/343888/en

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