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三种市售临时修复材料颜色稳定性的比较评价：一项研究。

Comparative evaluation of color stability of three commercially available provisional restorative materials: An study.

机构信息

Department of Prosthodontics, Bangalore Institute of Dental Sciences and Research Centre, Bengaluru, Karnataka, India.

Department of Public Health Dentistry, Goa Dental College and Hospital, Goa, India.

出版信息

J Indian Prosthodont Soc. 2021 Apr-Jun;21(2):161-166. doi: 10.4103/jips.jips_622_20.

DOI:10.4103/jips.jips_622_20
PMID:33938865
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8262438/
Abstract

AIM

Esthetics of the provisional restorations is of prime importance to the patients especially in long term in the esthetic zone. Discolouration of these restorations may result in patient dissatisfaction and an additional expense for their replacement. LuxaCrown provisional material being new in market and claimed to be semi-permanent by the company needs to be evaluated for its colour stability. This in vitro study was aimed to evaluate and compare the colour stability of three provisional restorations using three pigmented solutions.

SETTING AND DESIGN

In vitro - comparative study.

MATERIALS AND METHODS

LuxaCrown, Protemp4, Heat cure PMMA were evaluated. 40 specimens of each material were divided into four groups of ten specimens each. Each group was stored in three staining solutions and artificial saliva. Colour values of each specimen were measured before immersion, after one day, one week, one month, three months and six months with a spectrophotometer.

STASTISTICAL ANALYSIS USED

One way ANOVA, Post Hoc Tukey Test, Bonferonni Test.

RESULTS

Least colour change was seen in Heat Cure PMMA followed by Protemp4 and highest colour change was seen in LuxaCrown when immersed in artificial saliva, tea and coffee. Whereas in turmeric, Heat Cure PMMA showed the least colour change followed by LuxaCrown and highest colour change was seen in Protemp4 at all time intervals except day one, where LuxaCrown was higher than Protemp4.

CONCLUSION

Heat cure showed the best results as compared to Protemp4 and LuxaCrown in terms of colour stability at all time periods.

摘要

目的

临时修复体的美学效果对患者至关重要，尤其是在美学区域的长期效果。这些修复体的变色可能会导致患者不满意，并需要额外的费用来更换。LuxaCrown 临时材料是市场上的新产品，据称该公司宣称其为半永久性材料，因此需要评估其颜色稳定性。本体外研究旨在评估和比较三种临时修复体在使用三种着色溶液时的颜色稳定性。

设置和设计

体外-比较研究。

材料和方法

评估了 LuxaCrown、Protemp4 和热固性 PMMA。每种材料的 40 个样本分为每组 10 个样本的四个组。每个组分别储存在三种染色溶液和人工唾液中。用分光光度计在浸泡前、浸泡后 1 天、1 周、1 个月、3 个月和 6 个月测量每个样本的颜色值。

使用的统计分析

单向方差分析、事后 Tukey 检验、Bonferroni 检验。

结果

在人工唾液、茶和咖啡中，热固性 PMMA 显示的颜色变化最小，其次是 Protemp4，LuxaCrown 的颜色变化最大。然而，在姜黄中，热固性 PMMA 显示的颜色变化最小，其次是 LuxaCrown，除了第一天之外，Protemp4 的颜色变化最大，在所有时间间隔内，LuxaCrown 的颜色变化都高于 Protemp4。

结论

在所有时间段内，热固性材料与 Protemp4 和 LuxaCrown 相比，在颜色稳定性方面表现出最佳效果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/e196b1d04dd3/JIPS-21-161-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/e32516942bff/JIPS-21-161-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/c22f44ed736c/JIPS-21-161-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/e196b1d04dd3/JIPS-21-161-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/e32516942bff/JIPS-21-161-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/c22f44ed736c/JIPS-21-161-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a0d/8262438/e196b1d04dd3/JIPS-21-161-g003.jpg

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