One-day bonding effectiveness of new self-etch adhesives to bur-cut enamel and dentin.
One-day bonding effectiveness of new self-etch adhesives to bur-cut enamel and dentin.
复制标题
新型自酸蚀粘合剂对牙釉质和牙本质进行毛刺切割的一日粘合效果。
作者：
J. de Munck;M. Vargas;J. Iracki;K. V. Van Landuyt;A. Poitevin;P. Lambrechts;B. Van Meerbeek
自蚀刻胶粘剂试图解决通常与临床应用蚀刻-冲洗胶粘剂相关的困难。它们的应用程序被认为更省时，更重要的是，对技术不那么敏感。本研究的主要目的是通过微拉伸粘结强度测试（microTBS）、Fe-SEM和TEM来确定三种现代一步和两步自蚀刻粘合剂与对照两步自蚀刻和三步蚀刻-冲洗粘合剂的结合效果和与牙釉质/牙本质的相互作用。一步自蚀刻胶粘剂Adper Prompt （3M ESPE）在所有实验和对照胶粘剂中得分最低。相反，两步自蚀刻粘合剂Clearfil SE （Kuraray）和OptiBond Solo Plus self-蚀刻（Kerr）在与牙釉质和牙本质结合时接近三步蚀刻和冲洗控制（OptiBond FL, Kerr）所获得的值。超微形貌表征表明，界面形态与自蚀刻底漆/胶粘剂的pH值密切相关。与牙本质的相互作用变化很大，从“轻度”自蚀刻粘合剂Clearfil SE形成亚微米的含羟基磷灰石的杂化层到“强”自蚀刻粘合剂Adper Prompt形成3-5微米厚的缺乏羟基磷灰石的杂化层。两步自蚀刻胶粘剂AdheSE和OptiBond Solo Plus self-etch呈现出顶部缺乏羟基磷灰石，底部含有羟基磷灰石的杂化层，因此被归类为一类新的自蚀刻胶粘剂，即“中间强”自蚀刻胶粘剂。
Self-etch adhesives try to solve difficulties commonly associated with the clinical application of etch-and-rinse adhesives. Their application procedure is considered less time-consuming and, more importantly, less technique-sensitive. The main objective of this study was to determine the bonding effectiveness to and the interaction with enamel/dentin of three contemporary one- and two-step self-etch adhesives by microtensile bond strength testing (microTBS), Fe-SEM and TEM when compared to a control two-step self-etch and a three-step etch-and-rinse adhesive. The one-step self-etch adhesive, Adper Prompt (3M ESPE), scored the lowest microTBS of all experimental and control adhesives tested. Conversely, the two-step self-etch adhesives Clearfil SE (Kuraray) and OptiBond Solo Plus Self-Etch (Kerr) approached the values obtained by the three-step etch-and-rinse control (OptiBond FL, Kerr) when bonded to enamel and dentin. Ultramorphological characterization showed that interfacial morphology and the pH of the self-etch primer/adhesive are strongly associated. The interaction with dentin varied from the formation of a submicron, hydroxyapatite-containing hybrid layer for the "mild" self-etch adhesive Clearfil SE to a 3-5 microm thick, hydroxyapatite-depleted hybrid layer for the "strong" self-etch adhesive Adper Prompt. The two-step self-etch adhesives AdheSE and OptiBond Solo Plus Self-Etch presented with a hybrid layer with a hydroxyapatite-depleted top part and a hydroxyapatite-containing base part and were therefore classified into a new group of self-etch adhesives, namely "intermediary strong" self-etch adhesives.