| Determination of VITA Classical shades with the 3D-Master shade guide. | |
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MedLine Citation:
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PMID: 23146130 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract Objectives. Because of its good matching performance the VITA 3D-Master shade guide (3D) is frequently used for determination of tooth color. Numerous composites/ceramics are, however, available in VITA Classical (VC) shades only. The objective of this study was to investigate the possibility of performing a shade match with 3D Master and converting this result via a table in a VC shade (indirect method) without this resulting in an apparent inferior shade matching in comparison with direct shade matching with the VC. Methods. Experiments were performed with an artificial, computer-generated tooth color space. Conversion tables were generated by calculating the color difference (ΔE) between a 3D shade and the closest VC shade (simple conversion table) and with the aid of optimization procedures. Statistical differences between the direct and indirect methods and between the indirect methods were assessed by use of a U-test. Results. Median ΔE was 2.38 for direct matching with the VC and 2.86 for indirect matching by use of a simple conversion table (p < 0.01). Optimized tables performed slightly better (median ΔE = 2.81). Conclusions. Within the limitations of the study, it is usually possible to determine tooth color with the 3D and convert it, via a table, into a VC shade without adding a clinically apparent error to the direct shade match with the VC. |
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Authors:
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Alexander J Hassel; Andreas Zenthöfer; Nicoleta Corcodel; Achim Hildenbrandt; Gerhard Reinelt; Stefan Wiesberg |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-13 |
Journal Detail:
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Title: Acta odontologica Scandinavica Volume: - ISSN: 1502-3850 ISO Abbreviation: Acta Odontol. Scand. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370344 Medline TA: Acta Odontol Scand Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Prosthodontics, Dental School. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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