Tooth color and whitening - digital technologies
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Updated: Feb 8, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
Published on: July 27, 2022
Qianqian Pan1, Stephen Westland1
1School of Design, University of Leeds, Leeds, LS2 9JT, United Kingdom.
Objectives:
To review the key concepts of color in the dental domain with specific reference to the use of digital technology to measure color and color appearance.
Materials And Methods:
The literature on color assessment in dentistry is considered and methods for assessing whiteness, yellowness and color appearance are collated and described.
Results And Conclusion:
A variety of methods for assessing color have been shown to exist and be viable including digital imaging. Equations to predict whiteness are identified; there is evidence that they are effective but further evaluation may be needed.
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