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Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
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Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry

Published on: June 6, 2025

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Benchmarking matching color in composite restorations.

Guido Migliau1, Luca Piccoli1, Laith Konstantinos Besharat1

  • 1Department of Oral and Maxillo Facial Sciences, School of Dentistry, "Sapienza" University of Rome, Italy.

Annali Di Stomatologia
|August 12, 2016
PubMed
Summary

Dental resin composite color varies significantly between brands and shades, even with identical thickness. Achieving perfect aesthetic restorations requires skilled application and technique.

Keywords:
aesthetic restorationcolorcomposite

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Area of Science:

  • Dental Materials Science
  • Esthetic Dentistry

Background:

  • Achieving accurate shade matching in dental restorations is crucial for esthetic outcomes.
  • Resin composites are widely used, but their color stability and predictability can vary.
  • Understanding color variations across brands and shades is essential for clinicians.

Purpose of the Study:

  • To investigate the color characteristics of different resin composite brands and shades.
  • To evaluate color differences using a spectrophotometer and the Vita shade guide.
  • To assess the impact of material brand and shade on final restoration color.

Main Methods:

  • 135 resin composite discs (shades A2, A3, B1) from three brands were prepared.
  • Colorimetric evaluation was performed on white and black backgrounds immediately after preparation.
  • Spectrophotometric analysis measured color values (Vita scale, ΔL, Δa, Δb, ΔE).

Main Results:

  • Significant variations in Value, Chroma, and Hue were observed among different resin composite brands and shades.
  • Color differences persisted even when using the same commercial shade and material thickness.
  • Spectrophotometric analysis revealed discrepancies in color parameters across tested materials.

Conclusions:

  • The study highlights inherent color variability in resin composites, impacting esthetic predictability.
  • Achieving ideal esthetic restorations necessitates combining clinical expertise with appropriate material selection and technique.
  • Clinicians should be aware of potential color discrepancies between different resin composite brands and shades.