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光源和计算机辅助设计/计算机辅助制造整体块对粘结剂固化程度的影响。

The effect of light sources and CAD/CAM monolithic blocks on degree of conversion of cement.

作者信息

Çetindemir Aydan Boztuna, Şermet Bülent, Öngül Değer

机构信息

Bağcılar Educational and Research Hospital, Istanbul, Turkey.

Department of Prosthodontics, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.

出版信息

J Adv Prosthodont. 2018 Aug;10(4):291-299. doi: 10.4047/jap.2018.10.4.291. Epub 2018 Aug 17.

DOI:10.4047/jap.2018.10.4.291
PMID:30140396
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6104501/
Abstract

PURPOSE

To assess the degree of conversion (DC) and light irradiance delivered to light-cured and dual-cured cements by application of different light sources through various types of monolithic computer-aided design and computer-aided manufacturing (CAD/CAM) materials.

MATERIALS AND METHODS

RelyX Ultimate Clicker light-cured and dual-cured resin cement specimens with 1.5-mm thicknesses (n=300, 10/group), were placed under four types of crystalline core structure (Vita Enamic, Vita Suprinity, GC Ceresmart, Degudent Prettau Anterior). The specimens were irradiated for 40 seconds with an LED Soft-Start or pulse-delay unit or 20 seconds with a QTH unit. DC ratios were determined by using Fourier transform infrared spectroscopy (FTIR) after curing the specimen at 1 day and 1 month. The data were analyzed using the Mann-Whitney U test (for paired comparison) and the Kruskal-Wallis H test (for multiple comparison), with a significance level of <.05.

RESULTS

DC values were the highest for RelyX Ultimate Clicker light-cure specimens polymerized with the LED Soft-Start unit. The combination of the Vita Suprinity disc and RelyX Ultimate Clicker dual-cure resin cement yielded significantly higher values at both timepoints with all light units (all, <.05).

CONCLUSION

Within the limitations of this study, we conclude that the DC of RelyX Ultimate Clicker dual-cure resin cement was improved significantly by the use of Vita Suprinity and the LED Soft-Start light unit. We strongly recommend the combined use of an LED light unit and dual-cure luting cement for monolithic ceramic restorations.

摘要

目的

通过各种类型的整体式计算机辅助设计与计算机辅助制造（CAD/CAM）材料，应用不同光源来评估光固化和双重固化粘结剂的固化程度（DC）以及传递到它们的光辐照度。

材料与方法

将厚度为1.5毫米的RelyX Ultimate Clicker光固化和双重固化树脂粘结剂试件（n = 300，每组10个），置于四种类型的晶核结构（Vita Enamic、Vita Suprinity、GC Ceresmart、Degudent Prettau Anterior）之下。试件分别用LED软启动或脉冲延迟装置照射40秒，或用石英卤钨灯装置照射20秒。在试件固化1天和1个月后，使用傅里叶变换红外光谱（FTIR）测定DC比率。采用曼-惠特尼U检验（用于配对比较）和克鲁斯卡尔-沃利斯H检验（用于多重比较）对数据进行分析，显著性水平为<.05。

结果

用LED软启动装置聚合的RelyX Ultimate Clicker光固化试件的DC值最高。在两个时间点，Vita Suprinity盘与RelyX Ultimate Clicker双重固化树脂粘结剂的组合在所有光照装置下均产生显著更高的值（所有情况，<.05）。

结论

在本研究的局限性范围内，我们得出结论，使用Vita Suprinity和LED软启动光照装置可显著提高RelyX Ultimate Clicker双重固化树脂粘结剂的DC。我们强烈推荐在整体式陶瓷修复中联合使用LED光照装置和双重固化粘结水门汀。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/96a5313db186/jap-10-291-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/4e1265186414/jap-10-291-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/a04df359ce8c/jap-10-291-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/39fb6c2b0475/jap-10-291-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/af86cc12a243/jap-10-291-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/e0c56d808a91/jap-10-291-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/96a5313db186/jap-10-291-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/4e1265186414/jap-10-291-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/a04df359ce8c/jap-10-291-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/39fb6c2b0475/jap-10-291-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/af86cc12a243/jap-10-291-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/e0c56d808a91/jap-10-291-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7578/6104501/96a5313db186/jap-10-291-g006.jpg

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