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Related Experiment Videos

[Color differences between a resin cement and try-in paste].

X Wang1, J M Powers

  • 1School of Stomatology, Beijing Medical University, Beijing 100081.

Zhonghua Kou Qiang Yi Xue Za Zhi = Zhonghua Kouqiang Yixue Zazhi = Chinese Journal of Stomatology
|January 5, 2002
PubMed
Summary
This summary is machine-generated.

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The try-in paste for shade 200 resin cement closely matched the self-cured version. However, variations in lightness and yellowness were observed between try-in pastes and both self-cured and light-cured resin cements across different shades.

Area of Science:

  • Dental Materials Science
  • Colorimetry in Dentistry

Context:

  • Accurate shade matching is crucial for aesthetic dental restorations.
  • Resin cements and try-in pastes are used to achieve desired tooth color.
  • Understanding color discrepancies is essential for predictable clinical outcomes.

Purpose:

  • To quantitatively assess the color coincidence and differences between resin cements and their corresponding try-in pastes.
  • To evaluate shade accuracy using the CIE L*a*b* color system.
  • To compare color differences for self-cured and light-cured resin cements.

Summary:

  • Three shades of resin cement and try-in paste were analyzed using a reflection spectrophotometer and the CIE L*a*b* system.
  • Shade 200 exhibited minimal color difference (delta E* < 1.4) between the try-in paste and self-cured resin cement.

Related Experiment Videos

  • Notable color differences were found for shades 100 and 300, with try-in pastes generally appearing lighter and more yellow than the cured cements.

    • Impact:

    • Provides objective data on the color fidelity of try-in pastes for resin cements.
    • Highlights potential shade matching challenges for specific resin cement shades.
    • Informs clinicians about expected color variations, aiding in shade selection and restoration success.