Evaluation of blending effect of composites related to restoration size

Paravina, Rade D.; Westland, Stephen; Imai, Francisco H.; Kimura, Mikio; Powers, John M.

doi:10.1016/j.dental.2005.04.022

Cited by 82 publications

(137 citation statements)

References 22 publications

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“…The result that the TP value decreased as the opacity of the resin samples increased does not agree with the findings of a previous study 5) . The previous study concluded that greater translucencies of layered composite resins cause increases of the BE 5) .…”

Section: Discussioncontrasting

confidence: 53%

“…The previous study concluded that greater translucencies of layered composite resins cause increases of the BE 5) . Because this study excluded the opacifier to focus only on the influence of the filler, the basic TP value was higher than that of the regular resin and it was speculated as a reason for the higher BE with translucency decreasing.…”

Section: Discussionmentioning

confidence: 99%

“…According to previous research, the blending effect increases as two similar colors become closer, and the blending effect is affected by the type of composite resin and its tone 4,5) . The BE increases especially with smaller restoration size, less color difference, and bigger translucency 4) , and the blending effect is highly relevant to the layered effect 5) . The BE plays an important role in achieving highquality esthetic restorations with the standardized colors of composite resin 6) .…”

Section: Introductionmentioning

confidence: 99%

“…Many dentists have applied multiple techniques to maximize this effect. However, the cognitive and quantitative research on the BE is currently insufficient 5) . The BE has been studied not only cognitively but also quantitatively.…”

Section: Introductionmentioning

confidence: 99%

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Influences of filler content and size on the color adjustment potential of nonlayered resin composites

Suh

Ahn

et al. 2017

Dental Materials Journal

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The blending effect (BE) plays an important role in esthetics of the composite resin. The objective of this study was to determine the extents to which filler size and content affect the BE. Three types of fillers (0.7, 1.0, and 1.5 µm) were mixed at weight contents of 60, 70, 75, and 80%. This study simulated clinical class 3 or 4 cavities and quantitatively measured the color diffusion of the objects next to the cavities based on the CIELab color space. For each filler size, there was a trend of increasing BE as the filler content was increased. The translucency parameter (TP) exhibited the opposite trend of decreasing (p<0.05) with increases in filler content. The filler size did not affect the BE, and the different filler sizes produced statistically non-significant results in this study. Increases in filler content elevated the opacity of the composite resin and significantly influenced the BE.

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Section: Discussioncontrasting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influences of filler content and size on the color adjustment potential of nonlayered resin composites

Suh

Ahn

et al. 2017

Dental Materials Journal

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“…Paravina et al evaluated the color change of resin composites when placed in a mold made of another color of resin composite which mimicked dental hard tissue. They indicated that the color shifting effect increases with an increase in the translucency parameter, and with a reduction in the size of restoration and the initial color difference between the inner and outer resin composites moreover, it was dependent upon the kind of resin composite and its shade [8][9][10] . Optical properties are intrinsic properties resulting from a combination of various factors, such as specular and diffuse reflection (light scattering) at the surface, specular transmission of light through the tissue, and absorption and scattering of light within the tissue 4,11) .…”

Section: Introductionmentioning

confidence: 99%

Influence of enamel prism orientations on color shifting at the border of resin composite restorations

et al. 2018

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This study aimed to investigate the influence of enamel prism orientations on color adjustment of resin composite restoration. The color measurements (L*, C*, or h* values) at the restored bovine enamel disk (1.0 mm-thick) with resin composite (Estelite Asteria, Estelite Pro, Kalore, Clearfil Majesty) were performed using a CIE XYZ camera (RC500). The color shifting rate and range at the coronal and cervical border were calculated. The coronal border was significantly lower L* and C* color shifting rate than the cervical border (p<0.05). The L* color shifting range was significantly affected by regions in the 3-mm cavity group (p<0.05), but not in the 1-mm cavity group (p>0.05), while the C* color shifting range was not significantly affected by regions (p>0.05). The coronal enamel border with diagonal-cut of enamel prisms would have an advantage for color adjustment of resin composite restorations compared to the cervical border with longitudinal-cut of enamel prisms.

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Understanding Color

Paravina¹

2018

Ronald E. Goldstein's Esthetics in Dentistry

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Evaluation of blending effect of composites related to restoration size

Cited by 82 publications

References 22 publications

Influences of filler content and size on the color adjustment potential of nonlayered resin composites

Influences of filler content and size on the color adjustment potential of nonlayered resin composites

Influence of enamel prism orientations on color shifting at the border of resin composite restorations

Understanding Color

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