Is additional silane application necessary for a new silane-containing universal adhesive to bond to glass ceramics?

IF 3.2 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Priscila Luciane da Silva DDS, MS, Hélio Radke Bittencourt MS, PhD, Luiz Henrique Burnett Júnior DDS, MS, PhD, Ana Maria Spohr DDS, MS, PhD
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引用次数: 0

Abstract

Objective

To evaluate the in vitro influence of prior silane application on the microshear bond strength (μSBS) of Scotchbond Universal Plus to glass ceramic.

Materials and Methods

Thirty blocks of lithium disilicate ceramic were etched with hydrofluoric acid for 20 s and distributed into Group 1 (no silane and no adhesive), Group 2 (adhesive), Group 3 (silane + adhesive). Three cylinders of resin cement were made on each ceramic block. Five blocks (n = 15 cylinders) were subjected to the μSBS test after 24 h, and the other five blocks (n = 15 cylinders) were tested after 6 months of water storage.

Results

According to two-way ANOVA, followed by Tukey's test, the means of μSBS (MPa), denoted by different letters, show significant differences (p < 0.05): after 24 h—Group 1 (31.7)B, Group 2 (43.3)A, and Group 3 (31.3)B; after 6 months—Group 1 (14.8)B, Group 2 (33.6)A, and Group 3 (30.3)A. After 6 months of storage, there was a significant decrease in μSBS for Groups 1 and 2, along with an increase in adhesive failures across all groups.

Conclusions

Prior application of silane did not increase the μSBS between Scotchbond Universal Plus and ceramic, and there was degradation at the bond interface over time.

Clinical Significance

Prior application of a silane agent is not necessary when using Scotchbond Universal Plus for bonding to glass ceramics. Regardless of the prior application of silane, there is degradation at the bond interface over time.

新型含硅烷通用粘合剂在粘合玻璃陶瓷时是否需要额外使用硅烷?
目的:评估硅烷应用对玻璃陶瓷微剪切粘接强度(μSBS)的体外影响:评估在体外使用硅烷对玻璃陶瓷的 Scotchbond Universal Plus 微剪切粘接强度(μSBS)的影响:用氢氟酸对 30 块二硅酸锂陶瓷进行 20 秒钟的蚀刻,并将其分为第 1 组(无硅烷和粘合剂)、第 2 组(粘合剂)和第 3 组(硅烷 + 粘合剂)。在每个陶瓷块上制作三个树脂胶合剂圆柱体。5 个陶瓷块(n = 15 个圆柱体)在 24 小时后进行了 μSBS 测试,另外 5 个陶瓷块(n = 15 个圆柱体)在储水 6 个月后进行了测试:根据双因素方差分析和 Tukey 检验,不同字母表示的 μSBS 均值(MPa)有显著差异(p B、第 2 组(43.3)A 和第 3 组(31.3)B;6 个月后-第 1 组(14.8)B、第 2 组(33.6)A 和第 3 组(30.3)A。存放 6 个月后,第 1 组和第 2 组的μSBS 显著下降,同时所有组的粘合失效率都有所上升:结论:事先使用硅烷并不会增加 Scotchbond Universal Plus 与陶瓷之间的 μSBS 值,随着时间的推移,粘接界面会发生降解:临床意义:使用思高保德万能加强型粘接剂粘接玻璃陶瓷时,无需事先使用硅烷剂。临床意义:使用思高万能胶粘接玻璃陶瓷时,无需事先涂抹硅烷剂。无论是否事先涂抹硅烷,粘接界面都会随着时间的推移而降解。
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来源期刊
Journal of Esthetic and Restorative Dentistry
Journal of Esthetic and Restorative Dentistry 医学-牙科与口腔外科
CiteScore
6.30
自引率
6.20%
发文量
124
审稿时长
>12 weeks
期刊介绍: The Journal of Esthetic and Restorative Dentistry (JERD) is the longest standing peer-reviewed journal devoted solely to advancing the knowledge and practice of esthetic dentistry. Its goal is to provide the very latest evidence-based information in the realm of contemporary interdisciplinary esthetic dentistry through high quality clinical papers, sound research reports and educational features. The range of topics covered in the journal includes: - Interdisciplinary esthetic concepts - Implants - Conservative adhesive restorations - Tooth Whitening - Prosthodontic materials and techniques - Dental materials - Orthodontic, periodontal and endodontic esthetics - Esthetics related research - Innovations in esthetics
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