Lucineide Silva da Rocha, Daniela Ferreira de Oliveira, Cinthya Luna Veloso de Lima, Ticiano Gomes do Nascimento, Johnnatan Duarte de Freitas, Jeniffer Mclaine Duarte de Freitas, Isabel Cristina Celerino de Moraes Porto
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引用次数: 0
摘要
使用单瓶蚀刻-冲洗粘合剂粘合健全牙本质后,在粘合剂层内和杂化表面可观察到水树化和水滴,这表明杂化层具有透水性。本研究的目的是通过量化牙本质杂交后牙本质小管的水渗出面积,评估含有蜂胶的粘合剂密封牙本质的功效。实验用粘合剂和 Single Bond(3M/ESPE)粘合剂中添加了巴西红蜂胶;实验用粘合剂和不含蜂胶的 Single Bond 用作对照组。在模拟牙髓压力下,将两层粘合剂涂在蚀刻的人类牙本质圆盘上。光固化三分钟后,复制杂化的牙本质表面,并制作环氧树脂复制品,以获得扫描电子显微镜图像。数据采用方差分析和 Tukey 检验进行评估。与对照组相比,含蜂胶的单一粘结剂可明显减少杂交层的透水性。聚合三分钟后,不含蜂胶的实验粘合剂已形成可渗透的混合层。添加巴西红蜂胶可显著减少杂化牙本质表面的水分,其减少程度与浓度有关。含有蜂胶的两步腐蚀-冲洗粘合剂可有效减少杂化牙本质表面的水分渗透。
Effect of propolis added to single-bottle adhesives on water permeation through the hybrid layer.
Water treeing and water droplets are observed within adhesive layers and on the hybridized surface after bonding sound dentin using single-bottle etch-and-rinse adhesives, indicating permeability of the hybrid layer to water. The aim of this study was to assess the efficacy of dentin sealing by adhesives containing propolis by quantifying the area of water transudation from dentinal tubules after dentin hybridization. Brazilian red propolis was added to experimental adhesive and Single Bond (3M/ESPE) adhesive; experimental adhesive and Single Bond without propolis were used as controls. Under simulated pulp pressure, two layers of adhesive were applied to etched human dentin discs. Three minutes after light-curing, the hybridized dentin surface was replicated, and epoxy resin replicas were created to obtain scanning electron microscope images. Data were evaluated using ANOVA and Tukey's test. Single Bond containing propolis significantly decreased water permeation through the hybrid layer compared with the control group. Three minutes after polymerization, the experimental adhesive without propolis had formed a permeable hybrid layer. The addition of Brazilian red propolis significantly reduced surface water on hybridized dentin in a concentration-dependent manner. Two-step etch-and-rinse adhesives containing propolis were effective in reducing water permeation through the hybridized dentin surface.
期刊介绍:
The European Journal of Oral Sciences is an international journal which publishes original research papers within clinical dentistry, on all basic science aspects of structure, chemistry, developmental biology, physiology and pathology of relevant tissues, as well as on microbiology, biomaterials and the behavioural sciences as they relate to dentistry. In general, analytical studies are preferred to descriptive ones. Reviews, Short Communications and Letters to the Editor will also be considered for publication.
The journal is published bimonthly.