纳米复合树脂与通用胶粘剂的修复粘合强度。

Acta Biomaterialia Odontologica Scandinavica Pub Date : 2017-12-12 eCollection Date: 2018-01-01 DOI:10.1080/23337931.2017.1412262
Pinar Altinci, Murat Mutluay, Arzu Tezvergil-Mutluay
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引用次数: 51

摘要

目的:用通用粘合剂(UA)研究新鲜和老化纳米杂化树脂和杂化复合树脂的修复粘结强度。材料与方法:采用两种纳米杂化材料(Venus Pearl, Heraus Kulzer;Filtek Supreme XTE, 3 M ESPE)和一种混合(Z100, 3 M ESPE)复合树脂,随机分配到不同的表面处理:(1)不处理(对照),(2)表面粗化320粒(SR), (3) SR + UA (iBOND, Heraeus Kulzer), (4) SR +硅烷(Signum, Ceramic Bond I, Heraeus Kulzer) + UA, (5) SR +喷砂(CoJet, 3 M ESPE) +硅烷+ UA。表面处理后,将新鲜的复合树脂以2 mm层增量添加到基材中,至5 mm高度,光固化。修复后的标本水保存24 h,切片得到1.0 × 1.0 mm梁(n = 12),在37°C下水保存24 h,或水保存24 h,然后热循环6000次,然后进行微拉伸粘结强度(µTBS)测试。数据分析采用方差分析和Tukey’s HSD检验(p = 0.05)。结果:SR、喷砂、硅烷和UA联合处理可提供与各被试树脂材料的内聚强度相当的修复结合强度值(p p)。结论:通用粘合剂应用是一种可靠的复合修复方法。喷砂和硅烷的应用稍微增加了所有基材类型的修复强度。
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Repair bond strength of nanohybrid composite resins with a universal adhesive.

Objective: To investigate the repair bond strength of fresh and aged nanohybrid and hybrid composite resins using a universal adhesive (UA). Materials and methods: Fresh and aged substrates were prepared using two nanohybrid (Venus Pearl, Heraus Kulzer; Filtek Supreme XTE, 3 M ESPE) and one hybrid (Z100, 3 M ESPE) composite resin, and randomly assigned to different surface treatments: (1) no treatment (control), (2) surface roughening with 320-grit (SR), (3) SR + UA (iBOND, Heraus Kulzer), (4) SR + Silane (Signum, Ceramic Bond I, Heraeus Kulzer) + UA, (5) SR + Sandblasting (CoJet, 3 M ESPE) + Silane + UA. After surface treatment, fresh composite resin was added to the substrates at 2 mm layer increments to a height of 5 mm, and light cured. Restored specimens were water-stored for 24 h and sectioned to obtain 1.0 × 1.0 mm beams (n = 12), and were either water-stored for 24 h at 37 °C, or water-stored for 24 h, and then thermocycled for 6000 cycles before microtensile bond strength (µTBS) testing. Data were analyzed with ANOVA and Tukey's HSD tests (p = .05). Results: Combined treatment of SR, sandblasting, silane and UA provided repair bond strength values comparable to the cohesive strength of each tested resin material (p < .05). Thermocycling significantly reduced the cohesive strength of the composite resins upto 65% (p < .05). Repair bond strengths of UA-treated groups were more stable under thermocycling. Conclusions: Universal adhesive application is a reliable method for composite repair. Sandblasting and silane application slightly increases the repair strength for all substrate types.

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