Bond Strength of Universal Self-Etch 1-Step Adhesive Systems for Orthodontic Brackets.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2019-08-01

Melissa Cerone, Wafa El-Badrawy, Siew-Ging Gong, Anuradha Prakki

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引用次数: 0

Abstract

Objective: The objective of this study was to assess the shear bond strength (SBS) of orthodontic brackets bonded to uncut enamel with universal self-etch 1-step adhesive systems.

Methods: Extracted uncut premolars (n = 160) were randomly divided into 4 groups for treatment with Scotchbond Universal Adhesive (SU), All-Bond Universal (BU), Clearfil Universal Bond (CU) or the control, Adper Scotchbond Multi-Purpose Adhesive. Following bonding of brackets on tooth surfaces, teeth were stored in distilled water for 24 h and 6 months, and brackets were tested for SBS. The adhesive remnant index (ARI) and quantitative percentage of remaining resin (%RR) were recorded. Scanning electron microscopy was used to analyze debonded surfaces qualitatively. SBS and %RR data were analyzed by 2-way ANOVA followed by the Tukey test (α = 0.05).

Results: At neither time did these universal adhesives achieve satisfactory SBS for orthodontic treatment. The control group had the highest SBS, ARI score and mean %RR (and these differences were significant), while the BU group had the lowest SBS. SBS mean values and ARI scores decreased over time for SU and BU, but remained stable for CU. There was no difference in %RR among the universal adhesives tested.

Conclusion: None of the universal adhesives used in self-etch mode achieved SBS values (at 24 h and 6 months) that were satisfactory for orthodontic treatment.

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正畸托槽通用自蚀刻一步粘合系统的粘结强度。

目的:研究通用自蚀1级粘结系统对正畸托槽与未切割牙釉质的剪切粘结强度(SBS)。方法:拔牙未切前磨牙160颗，随机分为4组，分别使用Scotchbond通用粘接剂(SU)、All-Bond通用粘接剂(BU)、Clearfil通用粘接剂(CU)和Adper Scotchbond通用粘接剂。将托槽粘接在牙齿表面后，将牙齿置于蒸馏水中保存24 h和6个月，并检测托槽是否存在SBS。记录胶粘剂残留指数(ARI)和剩余树脂定量百分率(%RR)。采用扫描电镜对脱粘表面进行定性分析。SBS和%RR资料采用双因素方差分析，并进行Tukey检验(α = 0.05)。结果:这两种万能粘接剂在正畸治疗中均未达到满意的SBS效果。对照组的SBS、ARI评分和平均RR %最高(差异有统计学意义)，而BU组的SBS最低。SU和BU的SBS平均值和ARI评分随着时间的推移而下降，但CU保持稳定。在测试的通用胶粘剂中，%RR没有差异。结论:在自蚀模式下使用的万能粘接剂均未达到满意的SBS值(24 h和6个月)，用于正畸治疗。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.