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Color and Translucency of Resin-based Composites: Comparison of A-shade Specimens Within Various Product Lines

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dc.contributor.author김도현-
dc.contributor.author박성호-
dc.date.accessioned2019-01-15T17:01:15Z-
dc.date.available2019-01-15T17:01:15Z-
dc.date.issued2018-
dc.identifier.issn0361-7734-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/166762-
dc.description.abstractOBJECTIVES: The purpose of this study was to examine and compare the color and translucency of currently available resin-based composites (RBCs) with respect to the shade numbers within each product line. METHODS AND MATERIALS: Four A-shades (A1, A2, A3, and A3.5) of nine RBC products (Beautifil II, Ceram-X One, Estelite Sigma Quick, Esthet-X HD, Filtek Z250, Filtek Z350 XT, Gradia Direct, Herculite Precis, and Tetric N-Ceram) were investigated. Ten disk-shaped specimens of two different thicknesses (1 and 2 mm) were prepared for each shade of the RBCs. The maximum blue light irradiance (Imax) through the specimen was recorded using a digital optometer. The color measurements were made according to the CIELAB color scale (quantifying L*, a*, and b*) using a colorimeter, and the translucency parameter (TP) was calculated. The L*, a*, b*, TP, and Imax values were compared among the different shades and thicknesses of each product using one-way analysis of variance followed by Tukey's post hoc test. RESULTS: There were significant differences in the color and translucency among the shades and thicknesses within each product line ( p<0.001). The L*, Imax, and TP of the 1-mm specimens were higher than those of the 2-mm specimens. The specimens showed equal or lower L* and Imax for higher shade numbers. The a* values differed only slightly among the shades, whereas the b* values were distributed over a relatively wide range. The TP values were independent of the order of shade numbers. CONCLUSIONS: Within the limitations of this study, the RBCs became darker and yellowish as the shade number increased. The blue light irradiance decreased in increasing order of the shade numbers. Changes in the translucency demonstrated different trends among the shades, depending on the product line.-
dc.description.statementOfResponsibilityrestriction-
dc.languageEnglish-
dc.publisherUniv. of Washington, School of Dentistry-
dc.relation.isPartOfOPERATIVE DENTISTRY-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.titleColor and Translucency of Resin-based Composites: Comparison of A-shade Specimens Within Various Product Lines-
dc.typeArticle-
dc.contributor.collegeCollege of Dentistry (치과대학)-
dc.contributor.departmentDept. of Conservative Dentistry (보존과학교실)-
dc.contributor.googleauthorD Kim-
dc.contributor.googleauthorS-H Park-
dc.identifier.doi10.2341/17-228-L-
dc.contributor.localIdA00389-
dc.contributor.localIdA01514-
dc.contributor.localIdA01514-
dc.relation.journalcodeJ02426-
dc.identifier.eissn1559-2863-
dc.identifier.pmid29630487-
dc.identifier.urlhttp://www.jopdentonline.org/doi/10.2341/17-228-L-
dc.contributor.alternativeNameKim, Dohyun-
dc.contributor.affiliatedAuthor김도현-
dc.contributor.affiliatedAuthor박성호-
dc.contributor.affiliatedAuthor박성호-
dc.citation.volume43-
dc.citation.number6-
dc.citation.startPage642-
dc.citation.endPage655-
dc.identifier.bibliographicCitationOPERATIVE DENTISTRY, Vol.43(6) : 642-655, 2018-
dc.identifier.rimsid58030-
dc.type.rimsART-
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers

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