含45S5疏水性树脂涂层的通用胶粘剂在侵蚀牙本质表面的两年粘接性能

IF 3.5 3区材料科学 Q2 ENGINEERING, CHEMICAL

International Journal of Adhesion and Adhesives Pub Date : 2025-09-18 DOI:10.1016/j.ijadhadh.2025.104148

A.B.B. Moreira , L. Cantanhede , P.H.A. Moreira , C. Pulido , M.C.R. Binz Ordóñez , A.D. Loguercio , F.S.F. Siqueira , A.F.M. Cardenas

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引用次数: 0

摘要

目的评价添加含45S5生物活性玻璃的疏水树脂涂层对侵蚀牙本质蓄水2年后粘接耐久性的影响。材料与方法96颗人磨牙根据牙本质基质（完好牙本质或侵蚀牙本质）分为12组；通用粘合剂系统：（Clearfil Universal Bond Quick - CUQ和Scotchbond Universal - SBU）；和处理：对照，对照+附加疏水树脂涂层（Extra HL）和对照+附加含有45S5生物活性玻璃的疏水树脂涂层（Extra HL 45S5）。采用复合树脂进行修复。将样品切片成树脂-牙本质粘接棒，测定微拉伸粘结强度（μTBS, 0.5 mm/min）或纳米渗漏（NL），分别保存2年或立即保存。各粘接剂的μTBS （MPa）和NL（%）数据采用三向重复测量方差分析（牙本质、处理、时间），并进行Tukey检验（α = 5%）。结果Extra HL或Extra HL 45S5的应用显著提高了牙本质的直接粘结强度，减少了牙本质的纳米渗漏（p < 0.00001）。两年后，与Extra HL或Extra HL 45S5相比，对照组的牙本质基质的粘结强度降低，纳米渗漏增加（p < 0.00001）。Extra HL与Extra HL 45S5在任何时间点均无显著差异（p > 0.05）。结论添加疏水树脂层可提高健全牙本质的结合耐久性，但不能有效防止腐蚀牙本质2年后的结合强度损失和硝酸银的吸收。然而，与对照组相比，无论是否含有45S5疏水性树脂层处理的侵蚀牙本质都显示出更高的结合强度值。与传统疏水树脂相比，45S5生物活性玻璃的掺入没有提供额外的好处。

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Two-year bonding performance of universal adhesives with an additional hydrophobic resin coat containing 45S5 on eroded dentin surface

Purpose

To evaluate the effect of an additional hydrophobic resin coat containing 45S5 bioactive glass on bonding durability of eroded dentin after two years of water storage.

Material and methods

Ninety-six human molars were assigned to 12 groups according to dentin substrate (sound or eroded dentin); Universal adhesive systems: (Clearfil Universal Bond Quick - CUQ, and Scotchbond Universal - SBU); and treatment: control, control + additional hydrophobic resin coat (Extra HL) and control + additional hydrophobic resin coat containing 45S5 bioactive glass (Extra HL 45S5). The restorations were performed using composite resin. Specimens were sectioned into resin-dentin bonded sticks for microtensile bond strength (μTBS, at 0.5 mm/min) or nanoleakage (NL) either immediately or after 2 years of storage. Data for μTBS (MPa) and NL (%) were analyzed using three-way repeated measures ANOVA (dentin vs. treatment vs. time) for each adhesive, followed by Tukey's test (α = 5 %).

Results

The application of Extra HL or Extra HL 45S5 significantly improved immediate bond strength and reduced nanoleakage in eroded dentin (p < 0.00001). After two years, control groups showed reduced bond strength and an increased nanoleakage for both dentin substrate compared to Extra HL or Extra HL 45S5 (p < 0.00001). No significant differences were observed between Extra HL and Extra HL 45S5 at either time point (p > 0.05).

Conclusions

An additional hydrophobic resin layer improved bonding durability in sound dentin but did not prevent bond strength loss or silver nitrate uptake in eroded dentin after two years. However, eroded dentin treated with an additional hydrophobic resin layer, whether containing 45S5 or not, showed higher bond strength values compared with the control groups. The incorporation of 45S5 bioactive glass provided no additional benefit over the conventional hydrophobic resin.

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来源期刊

International Journal of Adhesion and Adhesives 工程技术-材料科学：综合

CiteScore

6.90

自引率

8.80%

发文量

200

审稿时长

8.3 months

期刊介绍： The International Journal of Adhesion and Adhesives draws together the many aspects of the science and technology of adhesive materials, from fundamental research and development work to industrial applications. Subject areas covered include: interfacial interactions, surface chemistry, methods of testing, accumulation of test data on physical and mechanical properties, environmental effects, new adhesive materials, sealants, design of bonded joints, and manufacturing technology.