AI Article Synopsis
- * It evaluates how the amount of these fillers affects the composites' ability to match the color of human teeth across different shades, comparing OMN and OCF to two traditional A2-shade composites and a transparent composite.
- * Results indicate that composites with a lower percentage of fillers show reduced light diffusion and reflection in the yellow-to-red spectrum, with OCF providing the best color adjustment due to its higher translucency and even light reflection.
Article Abstract
The color-matching ability of single-shade composites Omnichroma (OMN) and Omnichroma Flow (OCF) is ensured by structural color, which arises from monodisperse 260 nm spherical fillers. This study evaluated how filler load influences the color adjustment potential of composite restorations to human teeth of various shades. The performance of composites containing the 260 nm spherical fillers -OMN (79 wt%), OCF (71 wt%), and experimental composites R1 (65 wt%), and R2 (60 wt%)- was compared to two conventional A2-shade composites and a transparent composite. Additionally, the translucency parameter, spectral reflectance, and light transmission properties were assessed. Composites with a lower load of the 260 nm spherical fillers exhibited lower light diffusion and lower reflectance in the yellow-to-red range (580-650 nm), which is characteristic for the structural color of OMN and OCF. The best color adjustment was achieved with OCF, presumably due to its high translucency and uniform spectral reflectance.
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| http://dx.doi.org/10.4012/dmj.2022-199 | DOI Listing |
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