LIGHT TRANSMISSION OF DIFFERENT RESIN COMPOSITES AT DIFFERENT THICKNESSES

Serkan SARIDAĞ, Neslihan ÇÖKÜK, Emine KARA
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Abstract


The aim of this study was to evaluate the light transmission of different types and thicknesses of composites. Disk-shaped (N = 240, n = 10 per group) samples of ten direct composites (Aelite-Aesthetic -Enamel, Aelite-LS-Posterior, Aelite-All-Purpose-Body, Clearfil-Majesty-ES-2 Classic, Filtek Ultimate-Enamel, Filtek Z-250 Universal, G-ænial Anterior, Gradia Direct, IPS Empress Direct, and Tetric N-Ceram) and two indirect composites (Estenia C&B and Signum-Ceramis) with diameters of 10 mm and thicknesses of 1 and 2 mm were fabricated. The translucency of each sample was determined with a digital radiometer using the direct transmission method and a 1200 mW/cm2 LED beam as the light source. Measurements were repeated three times for each specimen, and the obtained data were analyzed using ANOVA and Duncan multiple range tests (α = 0.05). The materials with the highest light transmission values included the Filtek Ultimate-Enamel (1 mm: 8.36 lux, 2 mm: 4.62 lux), Gradia Direct (1 mm: 8.57 lux, 2 mm: 4.65 lux), and Tetric N-Ceram, while those with the lowest light transmission values included the Aelite-All-Purpose-Body (1 mm: 2.89 lux, 2 mm: 1.21 lux) and Estenia C&B composites. The type of composite, as well as the particle size and filler content, significantly affected the light transmission characteristics. 


Keywords


Composite, filler, indirect composites, light transmission, radiometer.

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