S-Space College of Dentistry/School of Dentistry (치과대학/치의학대학원) Dept. of Dentistry (치의학과) Journal Papers (저널논문_치의학과)
Color distribution of a shade guide in the value, chroma, and hue scale
|dc.identifier.citation||Journal of Prosthetic Dentistry; Vol.100, No.1, pp.18-28||ko_KR|
|dc.description.abstract||Statement of problem: Shade tabs in a shade guide are matched to teeth in the order of value, hue, and chroma; therefore, information on the distribution of shade tabs is essential for clinical application of a shade guide. However, there is limited information on the color distribution as sorted by these 3 parameters of a recently introduced shade guide. Purpose: The purposes of this study were to determine the color distributions of tabs from a shade guide in the value (CIE L*), chroma (C*ab), and hue scale, and to determine the distribution of step intervals between adjacent tabs by value and chroma. Material and methods: The color of shade tabs (n=29) from a shade guide (Vitapan 3D-Master) was measured to determine the distribution of shade tabs by the value, chroma, hue angle, and CIE a* and b* values. The distribution of the ratios of the value and the chroma of each tab, when compared with the lowest value tab or the lowest chroma tab, was also determined. The data for each color parameter were analyzed by a 3-way ANOVA with the factors of value, chroma, and hue designations of the tabs (α=.05). Results: The value, chroma, hue angle, and CIE a* and b* values were influenced by the value, chroma, and hue designations of shade tabs (P<.001). The distributions of the chroma of the tabs within the same value group were relatively ordered, but the values of different value groups overlapped in several instances. Distributions for the CIE a* and b* values reflected the chroma designations in each value group. In the same value group, L, M, and R hue designations corresponded with the manufacturer's stated hue, such as a yellow hue for the L designation and a red hue for the R designation. The distance in the value and chroma scales between adjacent tabs was not uniform.||ko_KR|
|dc.title||Color distribution of a shade guide in the value, chroma, and hue scale||ko_KR|
|dc.citation.journaltitle||Journal of Prosthetic Dentistry||-|
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