ArticleJournal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]2026
Reliability of Three Image-Based Instrumental Color-Measurement Methods.
Article in Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.], 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
Abstract
objectivesTo compare the precision of three clinically applicable, image-based color assessment methods-smartphone imaging, a clinical colorimeter (Optishade), and a digital scanning device (Borea Cobra)-against a benchtop spectrophotometer for measuring CIELAB coordinates and CIEDE2000 (ΔE MATERIALS AND
methodsThree specimens from eight composite shades were measured using a benchtop spectrophotometer (reference) and the three test devices. Agreement for L*, a*, and b* was evaluated using linear regression and Bland-Altman analyses. ΔE
resultsOptishade showed the closest agreement with the reference-with slopes near unity, high R
conclusionsOptishade provided the most reliable quantitative measurements; Borea Cobra offered acceptable performance with specific limitations. Smartphone-based imaging preserved shade ordering but was unsuitable for precise color quantification.
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