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Does Q‐MIX pretreatment improve the dentin bond durability of a two‐step self‐etch adhesive?
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-11-12 , DOI: 10.1002/jemt.23640 Safa Tuncer 1 , Neslihan Tekçe 2 , Mustafa Demirci 1 , Aysun Kara Tuncer 3 , Canan Baydemir 4
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-11-12 , DOI: 10.1002/jemt.23640 Safa Tuncer 1 , Neslihan Tekçe 2 , Mustafa Demirci 1 , Aysun Kara Tuncer 3 , Canan Baydemir 4
Affiliation
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This study aims to analyze and assess the effects of three particular dentin pretreatment solutions on the bond durability of a two‐step self‐etch adhesive (Optibond XTR) applied to dentin after ageing for 2 years. Thirty‐five third molars which were extracted (n = 5 for μTBS, n = 2 for nanoleakage) were divided into five groups: Group 1:Control (no pretreatment), Group 2:17% EDTA, Group 3:2% CHX, Group 4:17% EDTA plus 2% CHX, Group 5: Q‐Mix. After the pretreatments of dentin, the dentin adhesive was applied as per the guidelines provided by the manufacturer. Half of the specimens were subjected to μTBS tests for 24 hr, while the remaining half were subjected to the tests after being kept for 2 years in water storage. Also, nanoleakage was evaluated with FE‐SEM by examining silver nitrate deposits. The data obtained were evaluated using a two‐way analysis of variance and Tukey Post Hoc test. The dentin pretreatments did not affect the 24 hr and 2 years μTBS values for OptiBond XTR. At 24 hr, the EDTA + CHX group (50.3 ± 4.9) showed that the highest μTBS value was obtained. Water ageing significantly reduced the μTBS results and after 2 years the highest μTBS value was obtained from the Q‐Mix group (37.7 ± 5.2). Different dentin pretreatments do not alter the 24‐hr μTBS and were not able to preserve the bond strength after 2 years of ageing. Q‐Mix was able to slow down the regression in the strength of the dentin bond as well as nanoleakage over time.
中文翻译：
Q-MIX 预处理能否提高两步自酸蚀粘合剂的牙本质粘合耐久性？
本研究旨在分析和评估三种特定牙本质预处理溶液对老化 2 年后应用于牙本质的两步自酸蚀粘合剂 (Optibond XTR) 粘合耐久性的影响。三五提取其中（第三磨牙Ñ = 5μTBS，Ñ= 2 用于纳米渗漏）分为五组：第 1 组：对照（无预处理），第 2 组：17% EDTA，第 3 组：2% CHX，第 4 组：17% EDTA 加 2% CHX，第 5 组：Q-混合。牙本质预处理后，按照制造商提供的指南应用牙本质粘合剂。一半样品进行μTBS测试24小时，而剩余的一半在水存储2年后进行测试。此外，通过检查硝酸银沉积物，用 FE-SEM 评估纳米泄漏。使用方差分析和 Tukey Post Hoc 检验对获得的数据进行评估。牙本质预处理不会影响 OptiBond XTR 的 24 小时和 2 年 μTBS 值。在 24 小时时，EDTA + CHX 组 (50.3 ± 4.9) 显示获得了最高的 μTBS 值。水老化显着降低了 μTBS 结果，2 年后从 Q-Mix 组获得了最高 μTBS 值 (37.7 ± 5.2)。不同的牙本质预处理不会改变 24 小时 μTBS，并且在老化 2 年后无法保持粘合强度。Q-Mix 能够减缓牙本质结合强度的退化以及纳米渗漏随时间的推移。
更新日期：2020-11-12
中文翻译：
Q-MIX 预处理能否提高两步自酸蚀粘合剂的牙本质粘合耐久性？
本研究旨在分析和评估三种特定牙本质预处理溶液对老化 2 年后应用于牙本质的两步自酸蚀粘合剂 (Optibond XTR) 粘合耐久性的影响。三五提取其中（第三磨牙Ñ = 5μTBS，Ñ= 2 用于纳米渗漏）分为五组：第 1 组：对照（无预处理），第 2 组：17% EDTA，第 3 组：2% CHX，第 4 组：17% EDTA 加 2% CHX，第 5 组：Q-混合。牙本质预处理后，按照制造商提供的指南应用牙本质粘合剂。一半样品进行μTBS测试24小时，而剩余的一半在水存储2年后进行测试。此外，通过检查硝酸银沉积物，用 FE-SEM 评估纳米泄漏。使用方差分析和 Tukey Post Hoc 检验对获得的数据进行评估。牙本质预处理不会影响 OptiBond XTR 的 24 小时和 2 年 μTBS 值。在 24 小时时，EDTA + CHX 组 (50.3 ± 4.9) 显示获得了最高的 μTBS 值。水老化显着降低了 μTBS 结果，2 年后从 Q-Mix 组获得了最高 μTBS 值 (37.7 ± 5.2)。不同的牙本质预处理不会改变 24 小时 μTBS，并且在老化 2 年后无法保持粘合强度。Q-Mix 能够减缓牙本质结合强度的退化以及纳米渗漏随时间的推移。
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