本文選題：自酸蝕粘接劑　切入點：流動樹脂　出處：《口腔醫(yī)學研究》2017年05期

【摘要】：目的:比較幾種不同自酸蝕粘接劑對流動樹脂充填鉭面洞的邊緣密封性的影響。方法:收集42顆拔除的完整第三磨牙,制備鉭面洞:2mm×2mm×2mm,隨機分為7組,分別使用不同粘接劑處理:A(SE Bond)、B(Liner Bond F)、C(SE Protect)、D(SE Bond 2)、E(SE One)、F(S3Bond)、G(Universal Bond Kit)。流動樹脂充填。使用聲發(fā)射記錄光固化開始前后2000s的聲發(fā)射事件,光學相干斷層掃描檢測樹脂-牙體界面的密封性。結(jié)果:聲發(fā)射信號在光固化開始后的150s內(nèi)聲發(fā)射事件數(shù)迅速增長。E組的平均聲發(fā)射事件數(shù)目最少且增長速率最慢,F組增長速率最快,B組的平均聲發(fā)射事件數(shù)目最多。各組間聲發(fā)射事件數(shù)無顯著性差異。對于光學相干斷層掃描,E組產(chǎn)生的界面間隙百分比最小,各組間無顯著性差異。結(jié)論:聲發(fā)射與光學相干斷層掃描可以用來檢測修復體與牙體間界面間隙的產(chǎn)生。一步法和兩步法自酸蝕粘接劑的粘接效果沒有顯著性差異。
[Abstract]:Objective: to compare the effect of several kinds of self-etching adhesives on the edge sealing of tantalum surface cavity filled with flowing resin. Methods: 42 extracted complete third molars were collected, and the tantalum surface cavity of 2 mm 脳 2mm 脳 2 mm was prepared and randomly divided into 7 groups. Different binders were used to treat ASE bond Bond Bond CSE ProtectS2DSE Bond 2ESE one Fen S3BondGuniversal Bond Kit.Acoustic emission events before and after the beginning of light curing were recorded using acoustic emission (AE) recording, two hundred seconds before and after the beginning of light curing, the flow resin was filled with different binders, and the flow resin was filled with different binders. The acoustic emission events were recorded before and after the beginning of light curing, and the acoustic emission events were recorded for 200 s. Optical coherence tomography for testing the sealing of the resin-tooth interface. Results: the number of acoustic emission events increased rapidly within 150 seconds after the beginning of light curing. Group E had the lowest average number of acoustic emission events and the highest growth rate. The average number of acoustic emission events in group B was the highest in group B, but there was no significant difference in the number of events among groups. The percentage of interfacial gap in group E was the smallest in group E of optical coherence tomography (OCT). Conclusion: acoustic emission and optical coherence tomography can be used to detect the interfacial gap between prosthesis and tooth. There is no significant difference between one-step and two-step self-etching adhesive.
【作者單位】： 武漢大學口腔醫(yī)學院牙體牙髓科;
【基金】：國家自然科學基金資助項目(編號:81420108011)
【分類號】：R783.1

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