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The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures

This study evaluated the efficacy of different cleaning methods with respect to changes in the color and light transmittance of both rough and smooth thermoformed, copolyester retainer specimens, after staining in different solutions. Four hundred copolyester sheets (Essix ACE) specimens were fabric...

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Autores principales: Susarchick, Laurie, Virji, Insia, Viana, Grace, Mahmoud, Mervat, Allareddy, Veerasathpurush, Gruber, Max, Lukic, Henry, Megremis, Spiro, Atsawasuwan, Phimon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9570909/
https://www.ncbi.nlm.nih.gov/pubmed/36234148
http://dx.doi.org/10.3390/ma15196808
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author Susarchick, Laurie
Virji, Insia
Viana, Grace
Mahmoud, Mervat
Allareddy, Veerasathpurush
Gruber, Max
Lukic, Henry
Megremis, Spiro
Atsawasuwan, Phimon
author_facet Susarchick, Laurie
Virji, Insia
Viana, Grace
Mahmoud, Mervat
Allareddy, Veerasathpurush
Gruber, Max
Lukic, Henry
Megremis, Spiro
Atsawasuwan, Phimon
author_sort Susarchick, Laurie
collection PubMed
description This study evaluated the efficacy of different cleaning methods with respect to changes in the color and light transmittance of both rough and smooth thermoformed, copolyester retainer specimens, after staining in different solutions. Four hundred copolyester sheets (Essix ACE) specimens were fabricated over molds with different surface textures, smooth and rough. The specimens were stained in four different solutions (n = 100 per solution) over 28 days; then, each of the four groups of 100 stained specimens was sub-divided into five groups of 20 specimens and subjected to a different destaining solution. The specimens were sub-divided with half subjected to an additional ultrasonic cleaning procedure. Light transmittance and color changes were analyzed using a spectrometer/integrating sphere assembly and a spectrophotometer. Mean difference comparisons were performed using appropriate statistical tests at p = 0.05. All five destaining solutions proved to be effective at removing coffee and tea stains. The surface roughness of the retainer material plays a significant role in the ability of cleaning solutions to remove stains, demonstrating a greater effect on cleaning rough specimens with respect to improvements in light transmittance and greater changes in color. Additionally, an ultrasonic cleaning unit generally enhanced the ability of all five solutions to clean the tea-stained specimens. However, the enhancements were only significant for light transmittance.
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spelling pubmed-95709092022-10-17 The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures Susarchick, Laurie Virji, Insia Viana, Grace Mahmoud, Mervat Allareddy, Veerasathpurush Gruber, Max Lukic, Henry Megremis, Spiro Atsawasuwan, Phimon Materials (Basel) Article This study evaluated the efficacy of different cleaning methods with respect to changes in the color and light transmittance of both rough and smooth thermoformed, copolyester retainer specimens, after staining in different solutions. Four hundred copolyester sheets (Essix ACE) specimens were fabricated over molds with different surface textures, smooth and rough. The specimens were stained in four different solutions (n = 100 per solution) over 28 days; then, each of the four groups of 100 stained specimens was sub-divided into five groups of 20 specimens and subjected to a different destaining solution. The specimens were sub-divided with half subjected to an additional ultrasonic cleaning procedure. Light transmittance and color changes were analyzed using a spectrometer/integrating sphere assembly and a spectrophotometer. Mean difference comparisons were performed using appropriate statistical tests at p = 0.05. All five destaining solutions proved to be effective at removing coffee and tea stains. The surface roughness of the retainer material plays a significant role in the ability of cleaning solutions to remove stains, demonstrating a greater effect on cleaning rough specimens with respect to improvements in light transmittance and greater changes in color. Additionally, an ultrasonic cleaning unit generally enhanced the ability of all five solutions to clean the tea-stained specimens. However, the enhancements were only significant for light transmittance. MDPI 2022-09-30 /pmc/articles/PMC9570909/ /pubmed/36234148 http://dx.doi.org/10.3390/ma15196808 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Susarchick, Laurie
Virji, Insia
Viana, Grace
Mahmoud, Mervat
Allareddy, Veerasathpurush
Gruber, Max
Lukic, Henry
Megremis, Spiro
Atsawasuwan, Phimon
The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title_full The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title_fullStr The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title_full_unstemmed The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title_short The Effects of Staining and Cleaning on the Color and Light Transmittance Changes of a Copolyester Retainer Material with Different Surface Textures
title_sort effects of staining and cleaning on the color and light transmittance changes of a copolyester retainer material with different surface textures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9570909/
https://www.ncbi.nlm.nih.gov/pubmed/36234148
http://dx.doi.org/10.3390/ma15196808
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