Comparative Analysis of Bond Strength Durability of 10-Methacryloyloxydecyl Dihydrogen Phosphate-Containing Adhesives on a Low-Viscosity Bulk-Fill Composite Surface.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2022-11-28 DOI:10.3290/j.jad.b3608775

Renáta Martos, Melinda Szalóki, József Gáll, Attila Csík, Csaba Hegedűs

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Abstract

Purpose: To compare the bond durability of adhesives with 10-methacryloyloxydecyl dihydrogen phosphate (10-MDP) to low-viscosity bulk-fill composite.

Materials and methods: Four 10-MDP-containing adhesives (Tokuyama Bond Force II [TBF II], Tokuyama; Scotchbond Universal [SU], 3M Oral Care; Clearfil Universal Bond Quick [CL], Kuraray Noritake; and G-Premio Bond [GP], GC) and one 10-MDP-free adhesive (Heliobond [HB] Ivoclar Vivadent) as a control were applied to polished, air-abraded surfaces of randomly assigned SureFil SDR flow low-viscosity bulk-fill composite blocks. The application of the adhesives was followed by applying Tetric EvoCeram universal nanohybrid composite in layers. Each layered composite block was sliced into stick specimens with a hard-tissue microtome. Half of the groups were randomly selected and tested for microtensile bond strength (immediate group); the other groups were aged in a thermocyling machine for 5000 cycles, followed by testing microtensile bond strength (aged group). The adhesive interface was evaluated with scanning electron microscopy (SEM). Failure modes were observed using light microscopy. The results were evaluated with Levene's test, ANOVA, Welch's ANOVA, Tukey's test and the Z-test as appropriate (significance: p < 0.05).

Results: There was a significant difference in the bond strength between 10-MDP-containing adhesives and the 10-MDP-free adhesive in all groups. Aging significantly decreased the bond strength in all adhesive groups. There was no significant difference in the bond strength durability among the 10-MDP-containing adhesives.

Conclusion: Application of 10-MDP-containing adhesives has an advantageous effect on the air-abraded SDR composite surface compared with 10-MDP-free adhesive. The composition of 10-MDP-containing adhesives did not influence the bond strength. Aging diminishes the bond strength durability of 10-MDP-containing adhesives.

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含 10-甲基丙烯酰氧癸基二氢磷酸酯的粘合剂在低粘度团状填充复合材料表面上的粘合强度耐久性对比分析

目的：比较含 10-甲基丙烯酰氧癸基磷酸二氢酯（10-MDP）的粘合剂与低粘度膨体填充复合材料的粘接耐久性：将四种含 10-MDP 的粘合剂（Tokuyama Bond Force II [TBFⅡ]，Tokuyama；Scotchbond Universal [SU]，3M Oral Care；Clearfil Universal Bond Quick [CL]，Kuraray Noritake；G-Premio Bond [GP]，GC）和一种不含 10-MDP 的粘合剂（Heliobond [HB]，Ivoclar Vivadent）作为对照，应用于随机分配的 SureFil SDR flow 低粘度散装填充复合材料块的抛光气磨表面。涂抹粘合剂后，再分层涂抹 Tetric EvoCeram 通用纳米混合复合材料。用硬组织显微切片机将每层复合材料块切成棒状试样。随机选取一半组别进行微拉伸粘接强度测试（即时组）；另一半组别在热固化机中老化 5000 次，然后测试微拉伸粘接强度（老化组）。用扫描电子显微镜（SEM）对粘合界面进行了评估。使用光学显微镜观察失效模式。结果酌情采用 Levene 检验、方差分析、Welch 方差分析、Tukey 检验和 Z 检验进行评估（显著性：P < 0.05）：在所有组别中，含 10-MDP 的粘合剂与不含 10-MDP 的粘合剂的粘合强度都有明显差异。老化会明显降低所有粘合剂组的粘合强度。结论：结论：与不含 10-MDP 的粘合剂相比，使用含 10-MDP 的粘合剂对空气降解的 SDR 复合材料表面具有优势。含 10-MDP 的粘合剂的成分不会影响粘合强度。老化会降低含 10-MDP 粘合剂的粘接强度耐久性。

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