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Effect of low-elastic modulus liner and base as stress-absorbing layer in composite resin restorations.复合树脂修复中低弹性模量衬垫和基底作为应力缓冲层的效果。
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2
Kinetic analysis of monomer conversion in auto- and dual-polymerizing modes of commercial resin luting cements.市售树脂粘接水门汀自聚和双聚模式下单体转化率的动力学分析
J Prosthet Dent. 2009 Feb;101(2):128-36. doi: 10.1016/S0022-3913(09)60008-1.
3
Effect of sodium sulfinate salts on the polymerization characteristics of dual-cured resin cement systems exposed to attenuated light-activation.亚磺酸钠盐对经减弱光活化的双固化树脂水门汀系统聚合特性的影响
J Dent. 2009 Mar;37(3):219-27. doi: 10.1016/j.jdent.2008.11.016. Epub 2009 Jan 7.
4
Effect of curing mode on the polymerization characteristics of dual-cured resin cement systems.固化方式对双固化树脂水门汀系统聚合特性的影响。
J Dent. 2008 Jun;36(6):418-26. doi: 10.1016/j.jdent.2008.02.014. Epub 2008 Apr 18.
5
Microtensile bond strength of dual-polymerizing cementing systems to dentin using different polymerizing modes.使用不同聚合模式的双聚合粘结系统与牙本质的微拉伸粘结强度。
J Prosthet Dent. 2007 Feb;97(2):99-106. doi: 10.1016/j.prosdent.2006.12.007.
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Influence of light-activated and auto- and dual-polymerizing adhesive systems on bond strength of indirect composite resin to dentin.光固化、自聚合和双重聚合粘结系统对间接复合树脂与牙本质粘结强度的影响。
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Curing depth of a resin-modified glass ionomer and two resin-based luting agents.树脂改性玻璃离子水门汀和两种树脂类粘结剂的固化深度。
Oper Dent. 2005 Mar-Apr;30(2):185-9.
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The effect of filler loading and morphology on the mechanical properties of contemporary composites.填料含量和形态对当代复合材料力学性能的影响。
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Comparison of photo-activation versus chemical or dual-curing of resin-based luting cements regarding flexural strength, modulus and surface hardness.基于树脂的粘接水门汀光活化与化学固化或双重固化在弯曲强度、模量和表面硬度方面的比较。
J Oral Rehabil. 2001 Nov;28(11):1022-8. doi: 10.1046/j.1365-2842.2001.00809.x.
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Curing potential of dual-polymerizable resin cements in simulated clinical situations.双可聚合树脂水门汀在模拟临床情况下的固化潜力
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粘度和固化方式对双重固化树脂水门汀固化转化率的影响。

Influence of viscosity and curing mode on degree of conversion of dual-cured resin cements.

作者信息

Di Francescantonio Marina, Aguiar Thaiane Rodrigues, Arrais César Augusto Galvão, Cavalcanti Andrea Nóbrega, Davanzo Celso Ulysses, Giannini Marcelo

机构信息

Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, BRAZIL.

出版信息

Eur J Dent. 2013 Jan;7(1):81-5.

PMID:23407604
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3571514/
Abstract

OBJECTIVE

The purpose of this study was to evaluate the effects of the viscosities and curing modes on the degree of conversion (DC) of two resin cements.

METHODS

Eight experimental groups were evaluated (n=5), according to the dual-cured resin cements (Nexus 2/Variolink II), viscosity (low and high) and evaluation time (5 minutes and 24 hours). The resin cements were applied to surface of a horizontal attenuated-total-reflectance unit and were polymerized either with self-cure (SC) or light exposure (XL3000/3M ESPE) for 40 seconds. Infrared spectra were obtained after 5 minutes and 24 hours (Nicolet 520 FT-IR/Thermo Scientific Inc.). DC was calculated according to changes in aliphatic-to-aromatic peak ratios pre- and post-curing. Data (%) were analyzed by 3-way repeated measure ANOVA (curing mode, viscosity and time interval) and Tukey's post-hoc test (P<.05).

RESULTS

The dual-polymerizing mode provided higher DC than auto-polymerization. The DC mean values increased for both resin cements after 24 hours. The low-viscosity resin cements from light-activated or self-cured groups exhibited higher DC than high viscosity version.

CONCLUSION

The DC of resin cements was higher for the low viscosity version, following the light-polymerization and when were tested after 24 hours.

摘要

目的

本研究旨在评估两种树脂水门汀的黏度和固化方式对其固化转化率(DC)的影响。

方法

根据双重固化树脂水门汀(Nexus 2/Variolink II)、黏度(低黏度和高黏度)以及评估时间(5分钟和24小时),对8个实验组(每组n = 5)进行评估。将树脂水门汀涂覆在水平衰减全反射装置的表面,通过自固化(SC)或光照(XL3000/3M ESPE)聚合40秒。在5分钟和24小时后获取红外光谱(Nicolet 520傅里叶变换红外光谱仪/赛默飞世尔科技公司)。根据固化前后脂肪族与芳香族峰比值的变化计算DC。数据(%)采用三因素重复测量方差分析(固化方式、黏度和时间间隔)和Tukey事后检验(P<0.05)进行分析。

结果

双重聚合模式比自聚合提供更高的DC。24小时后,两种树脂水门汀的DC平均值均增加。光活化或自固化组的低黏度树脂水门汀比高黏度树脂水门汀表现出更高的DC。

结论

低黏度树脂水门汀在光聚合后以及24小时后测试时,其DC更高。