[Color stability of acrylic teeth immersed in a pigmenting solution].

Revista Cientifica Odontologica Pub Date : 2021-12-09 eCollection Date: 2021-10-01 DOI:10.21142/2523-2754-0904-2021-082

Jessica Paola Rojas Saldívar, Juan Antonio Díaz Suyo

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Abstract

Objective: The objective of this study was to compare the color stability of acrylic teeth immersed in a pigmenting solution.

Methods: An experimental in vitro study was carried out in 40 acrylic teeth from two commercial companies which were immersed in coffee and distilled water (control). The teeth were divided into 4 groups of 10 teeth each: Group-1 (Duratone-n® teeth immersed in distilled water), Group-2 (Duratone- n® immersed in coffee), Group-3 (Ivostar® teeth immersed in distilled water) and Group-4 (Ivostar® teeth immersed in coffee). The specimens were immersed in the respective solutions for 10 minutes a day for a period of 14 days. Finally, the samples were stored in an incubator at a constant temperature of 37 ° C. The color was recorded at two time-points (baseline time and at 14 days) using the Vita Easyshade® V spectrophotometer. The results were analyzed using the Stata 14 program.

Results: Ivostar® teeth immersed in coffee (2.24) and distilled water (2.88) showest the highest ∆E values compared to Duratone-n® teeth immersed in coffee (1.53) and distilled water (1.60).

Conclusion: After exposure to coffee, the Duratone-n® brand teeth presented greater color stability compared to those of the Ivostar® brand.

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[浸泡在颜料溶液中的丙烯酸牙齿的颜色稳定性]。

研究目的本研究旨在比较浸泡在颜料溶液中的丙烯酸牙齿的颜色稳定性：对来自两家商业公司的 40 颗丙烯酸牙齿进行了体外实验研究，将它们分别浸泡在咖啡和蒸馏水（对照组）中。这些牙齿被分为 4 组，每组 10 颗牙齿：第 1 组（浸泡在蒸馏水中的 Duratone-n® 牙齿）、第 2 组（浸泡在咖啡中的 Duratone-n®）、第 3 组（浸泡在蒸馏水中的 Ivostar® 牙齿）和第 4 组（浸泡在咖啡中的 Ivostar® 牙齿）。每天将试样浸泡在相应的溶液中 10 分钟，持续 14 天。最后，将样本保存在 37 ° C 恒温培养箱中。使用 Vita Easyshade® V 分光光度计记录两个时间点（基线时间和 14 天时）的颜色。结果使用 Stata 14 程序进行分析：结果：与浸泡在咖啡（1.53）和蒸馏水（1.60）中的 Duratone-n® 牙齿相比，浸泡在咖啡（2.24）和蒸馏水（2.88）中的 Ivostar® 牙齿显示出最高的 ∆E 值：结论：与 Ivostar® 品牌的牙齿相比，Duratone-n® 品牌的牙齿在浸泡咖啡后颜色更稳定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Revista Cientifica Odontologica

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审稿时长

20 weeks