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Related Experiment Video

Updated: May 15, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

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Evaluation of resin composite translucency by two different methods.

D-H Kim1, S-H Park

  • 1Conservative Dentistry, Yonsei University, Seoul, Republic of Korea.

Operative Dentistry
|January 19, 2013
PubMed
Summary

This study compared the translucency of seven composite materials using translucency parameter (TP) and light transmittance (%T). Both methods showed a significant positive correlation, indicating their reliability in assessing dental composite material translucency.

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Area of Science:

  • Dental Materials Science
  • Biomaterials
  • Optical Properties of Materials

Background:

  • Accurate assessment of dental composite translucency is crucial for aesthetic restorations.
  • Translucency Parameter (TP) and light transmittance (%T) are common metrics, but their correlation needs further investigation across various materials and shades.

Purpose of the Study:

  • To compare the translucency of seven composite materials across dentin, enamel, and translucent shades.
  • To evaluate the correlation between TP and %T measurements for these composite materials.

Main Methods:

  • Seven composite materials (Beautifil II, Denfil, Empress Direct, Estelite Sigma Quick, Gradia Direct, Premise, Tetric N-Ceram) were tested in three shades (A3 dentin, A3 enamel, clear translucent).
  • Disk-shaped specimens (10mm diameter, 1mm thickness) were prepared.

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Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
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Published on: July 21, 2014

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Last Updated: May 15, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
05:42

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
08:45

Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

Published on: July 21, 2014

  • Translucency Parameter (TP) was calculated using CIELAB color scale measurements against black and white backgrounds.
  • %T was measured using a spectrometer (380-780 nm).
  • Statistical analysis included two-way ANOVA, one-way ANOVA, Tukey tests, and Pearson correlation coefficient.

    • Main Results:

    • TP and %T significantly differed by composite material and shade category (p<0.05).
    • Both TP and %T showed significant differences across composite materials within each shade and across shades within each material.
    • %T differences were significant for all materials except Beautifil II and Estelite Sigma Quick.
    • TP and %T demonstrated a significant positive correlation (r=0.626, p<0.05).
    • Strong correlations were observed for individual composite materials (except Estelite Sigma Quick), while moderate correlations were found for shade categories.

    Conclusions:

    • Both TP and %T are reliable methods for evaluating the translucency of dental composite materials.
    • The choice of composite material and shade significantly impacts optical properties.
    • The strong correlation between TP and %T validates their use in material characterization and selection for aesthetic dentistry.