Color changes of esthetic elastomeric ligatures evaluated with the Commission Internationale d'Éclairage color system

European Journal of Dentistry
Vanessa Dias da SilvaEduardo Martinelli Santayana de Lima

Abstract

The aim of this study was to assess and compare color changes in esthetic elastomeric ligatures after 30 days in situ using a spectrophotometer and the Commission Internationale d'Éclairage (CIE) color system. The sample comprised elastomeric ligatures of four color groups (n = 42): blue pearl (BP); colorless; white pearl (WP); and pearl. Four samples from each group were allocated in for quadrants of seven patients in a split-mouth model. Color measurements were performed with a spectrophotometer in the elastomeric ligatures as received (T0) and after 30 days in situ (T1). Variables L*, a*, and b* were compared between times (T1-T0) with Wilcoxon paired ranks; color changes were compared between groups with Kruskal-Wallis test; Dunn's test was used for multiple comparisons. Spearman's correlation was applied between CIELAB and CIEDE2000 calculations. All groups showed color changes (T1-T0) in a* and b*, but only the Group BP had a change in L* (P < 0.01). Group C showed the greatest lightness decrease (ΔL = -2.49 ± 0.47) (P < 0.05), the smallest yellowing (Δb = 3.17 ± 0.88) (P < 0.05), and the smallest total color change (ΔE2000 = 3.19 ± 0.85), which had no statistical difference from Group WP (ΔE2000 = 3.36 ± 0.53). Correlati...Continue Reading

References

May 14, 2005·Journal of Clinical Apheresis·Wolfgang RamlowToshikazu Yoshikawa
Aug 7, 2013·Dental press journal of orthodontics·Janine Soares CavalcanteMarcio Costa Sobral
Apr 30, 2014·International Journal of Technology Assessment in Health Care·Sergei MuratovJessie McGowan

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Citations

May 20, 2021·Dental press journal of orthodontics·Amanda Galindo Florêncio MirandaGiovana Cherubini Venezian
Dec 31, 2021·International Journal of Dental Hygiene·Milagros Juliana Sueiro FloresMirian Aiko Nakane Matsumoto

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Software Mentioned

VITA
CIEDE2000
SPSS
CIELAB

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