Accuracy of color measurement of endondontically treated teeth after aging

Authors

  • Tatiana Pereira Cenci Graduate Program in Dentistry, Federal University of Pelotas
  • Jovito Adiel Skupien Graduate Program in Dentistry, Federal University of Pelotas
  • José Augusto Sedrez-Porto Graduate Program in Dentistry, Federal University of Pelotas
  • Marcos Jacobovitz
  • Álvaro Della-Bona Graduate Program in Dentistry, University of Passo Fundo
  • Andressa Heberle Gastmann GRADUATE PROGRAM IN DENTISTRY, FEDERAL UNIVERSITY OF PELOTAS
  • Fernanda Geraldo Pappen GRADUATE PROGRAM IN DENTISTRY, FEDERAL UNIVERSITY OF PELOTAS

DOI:

https://doi.org/10.14295/bds.2016.v19i3.1270

Abstract

Objective: The aim of this study was to compare the accuracy of three different modes of a spectrophotometer (Vita Classical, 3D-Master and CIE L*a*b* system) in the evaluation of color alteration in endodontically treated teeth. Material and Methods: The root canal treatment of forty-five sound human canines was performed. Color measurements were performed before the endodontic treatment (baseline), andafter6monthsof water storage. Shade matching was performed using a spectrophotometer (Vita Easyshade) in three different modes: Vita Classical, 3D-Master and CIE L*a*b* coordinates. The color change (?E value) for the three methods were assessed in each sample and analyzed by multiple linear regression analysis. L*, a* and b* values were analyzed by t-test. The significance level was set at 5%. Results: According to the digital evaluation, no statistically significant differences were found between the CIE L*a*b*,Vita Classical and 3D-Mastermodes. However, a significant difference was found (p<0.001) for the ?E values, with the CIE L*a*b* mode presenting greater accuracy to detect color alterations. Conclusion: CIE L *a*b* method properly correlates to Vita Classical and 3D-Master modes. However, Easyshade can easier detect color changes if used in the CIE L*a*b* mode, which leads to more accurate results.

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Published

2016-09-29

Issue

Vol. 19 No. 3 (2016): Jul. - Sep. / 2016 - Published September 2016

Section

Clinical or Laboratorial Research

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