自粘树脂粘固剂与根牙本质结合强度和牙本质渗透性的中期评估。

IF 1.9 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Australian dental journal Pub Date : 2023-10-27 DOI:10.1111/adj.12988

MB Gelio, JF Zaniboni, JCC Monteiro, JF Besegato, JR Pereira, RL Buchaim, MC Kuga

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引用次数: 0

摘要

背景：使用自粘水泥Maxcem Elite（MCE）、Relyx U200（RU2）、SeT PP（SPP）和Megalink（MGL）与用于玻璃纤维后胶结的传统水泥Relyx ARC（ARC）相比，中期评估根牙本质的粘结强度和标签形成。材料与方法：对100个牛切牙根进行根管治疗，分为5组（n = 20）根据胶结系统：MCE、RU2、SPP、MGL和ARC。所有胶结系统在24 h（1）和12 后胶结后数月（2）。将根的颈部、中部和顶端三分之一的样本进行推出粘结强度测试和共聚焦激光显微镜检查，以验证牙本质穿透情况。粘结失效模式分为粘结失效、内聚失效和混合失效。数据通过单因素方差分析和Tukey检验（α = 结果：ARC-1和ARC-12的结合强度最高（P 结论：无论评价周期如何，常规水泥均表现出最高的粘结强度和标签延伸率。在所有胶结系统中，12 月。©2023澳大利亚牙科协会。

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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Medium-term evaluation of the bond strength and dentin penetration of self-adhesive resin cements to root dentin

Background

Medium-term evaluate the bond strength and tag formation in root dentin using self-adhesive cements Maxcem Elite (MCE), Relyx U200 (RU2), SeT PP (SPP) and Megalink (MGL) compared to conventional cement Relyx ARC (ARC) for glass fibre post cementation.

Materials and methods

One hundred bovine incisors roots were endodontically treated and divided into 5 groups (n = 20) according to the cementation system: MCE, RU2, SPP, MGL and ARC. All cementation systems were evaluated at 24 h (1) and 12 months (2) after post cementation. Specimens from the cervical, middle and apical thirds of the root were submitted to push-out bond strength test and confocal laser microscopy to verify the dentin penetration. The adhesive failure mode was classified as adhesive, cohesive and mixed. Data were analysed by one-way ANOVA and Tukey tests (α = 5%).

Results

ARC-1 and ARC-12 showed the highest bond strength (P < 0.05). ARC showed the greatest tag extension, regardless of the third (P < 0.05). The most frequent failure mode in the 24-h analysis was cohesive, regardless of the cement used. For the 12-month analysis, mixed failure was the most frequent.

Conclusion

Conventional cement (ARC) showed the highest bond strength and tag extension, regardless of the evaluation period. In all cementation systems, the bond strength decreased after 12 months. © 2023 Australian Dental Association.

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来源期刊

Australian dental journal 医学-牙科与口腔外科

CiteScore

4.20

自引率

4.80%

发文量

审稿时长

6-12 weeks

期刊介绍： The Australian Dental Journal provides a forum for the exchange of information about new and significant research in dentistry, promoting the discipline of dentistry in Australia and throughout the world. It comprises peer-reviewed research articles as its core material, supplemented by reviews, theoretical articles, special features and commentaries.