Colour stability of aesthetic brackets: ceramic and plastic

Hibernon Lopes Filho; Lúcio Henrique Maia; Marcus V. Araújo; Carlos Nelson Elias; Antônio Carlos O. Ruellas

doi:10.2478/aoj-2013-0003

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Colour stability of aesthetic brackets: ceramic and plastic

Australasian Orthodontic Journal

Volume 29 (2013): Issue 1 (May 2013)

By: Hibernon Lopes Filho, Lúcio Henrique Maia, Marcus V. Araújo, Carlos Nelson Elias and Antônio Carlos O. Ruellas

Open Access

|Aug 2023

Abstract

Background: The colour stability of aesthetic brackets may differ according to their composition, morphology and surface property, which may consequently influence their aesthetic performance.

Aims: To assess the colour stability of aesthetic brackets (ceramic and plastic) after simulating aging and staining.

Methods: Twelve commercially manufactured ceramic brackets and four different plastic brackets were assessed. To determine possible colour change (ΔE*_ab) and the value of the NBS (National Bureau of Standards) unit system, spectrophotometric colour measurements for CIE L*, a* and b* were taken before and after the brackets were aged and stained. Statistical analysis was undertaken using a one-way ANOVA analysis of variance and a Tukey multiple comparison test (α = 0.05).

Results: The colour change between the various (ceramic and plastic) materials was not significant (p > 0.05), but still varied significantly (p < 0.001) between the brackets of the same composition or crystalline structure and among commercial brands.

Conclusion: Colour stability cannot be confirmed simply by knowing the type of material and crystalline composition or structure. (Aust Orthod J 2013; 29: 13-20)

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Articles in this issue

DOI: https://doi.org/10.2478/aoj-2013-0003 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472

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Language: English

Page range: 13 - 20

Submitted on: Sep 1, 2011

Accepted on: Mar 1, 2013

Published on: Aug 1, 2023

Published by: Australian Society of Orthodontists Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Related subjects:

Medicine,

Basic medical science,

Basic medical science, other

© 2023 Hibernon Lopes Filho, Lúcio Henrique Maia, Marcus V. Araújo, Carlos Nelson Elias, Antônio Carlos O. Ruellas, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 29 (2013): Issue 1 (May 2013)