Do Universal Adhesives Benefit from an Extra Bonding Layer?
Do Universal Adhesives Benefit from an Extra Bonding Layer?
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DOI：
10.3290/j.jad.a42304
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发表时间：
2019-03-01
影响因子：
3.3
通讯作者：
Van Meerbeek, Bart
中科院分区：
文献类型：
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作者：
Ahmed, Mohammed H.;De Munck, Jan;Van Meerbeek, Bart
用途：通用粘接剂使用组合底漆/粘接树脂，可采用两步酸洗(2-E&R)或一步自酸蚀(1-SE)模式。本研究调查了三种通用粘结剂是否会从额外的粘结层(EBL)中受益，基本上分别使它们成为三步E&R(3-E&R)和2-SE粘接剂。材料和方法：将Clearfi Universal Bond Quick(C-UBq，Kuraray Noritake)、G-Premio Bond(G-PRB，GC)和Prime&Bond Active(P&BA，Dentsply Sirona)的微拉伸粘结强度(MU TBS)与也在3-E&R模式下使用的2-SEA Clearfe SE Bond 2(C-SE2，Kuraray Noritake)的粘结强度进行比较。每颗牙采用裂齿设计，在E&R和SE模式下使用每种粘结剂，一半没有/有EBL(C-SE2粘结剂)。所有粘结剂在涂上最后一层后都被光固化。三分之一的样品在没有热循环(TC)的情况下储存1个月后测量MU TBS，其余三分之二的样品在25,000和50,000热循环下老化。结果：粘结剂、粘结方式、EBL、年龄4个变量对MU TBS有显著影响。当应用于SE模式时，仅G-PRB受益于EBL。在E&R模式下，P&BA的MUTBS最高，C-UBq表现为中间型，G-PRB表现为最低的MUTBS，后者显著低于C-SE2记录的MUTBS。在SE模式下，P&BA一般在1-SE和2-SE模式下产生最高的MUTBS。用EBL在2-SE模式下为G-PRB记录同样高的MUTBS。在1-SE模式下，G-PRB和C-UBq在1-SE模式下记录到较低的MUTBS。结论：EBL对即刻和老化粘接效果的总体影响取决于特定的通用粘结剂及其粘接模式。
Purpose: Universal adhesives use a combined primer/bonding resin applied either in 2-step etch-and-rinse (2-E&R) or 1-step self-etch (1-SE) mode. This study investigated whether three universal adhesives would benefit from an extra bonding layer (EBL), essentially making them 3-step E&R (3-E&R) and 2-SE adhesives, respectively.Materials and Methods: Microtensile bond strengths (mu TBSs) to bur-cut dentin of Clearfil Universal Bond Quick (C-UBq, Kuraray Noritake), G-Premio Bond (G-PrB, GC) and Prime&Bond Active (P&Ba, Dentsply Sirona) were compared to those of the 2-SEa Clearfil SE Bond 2 (C-SE2, Kuraray Noritake) which was also employed in 3-E&R mode. A split-tooth design was applied with each adhesive used in E&R and SE mode on each tooth, half without/with EBL (C-SE2 Bond). All adhesives were light cured after application of the final layer. The mu TBS of one-third of the specimens was measured after 1-month water storage without thermocycling (TC), with the remaining two-thirds aged with 25,000 and 50,000 TCs. All mu TBSs were statistically analyzed using a linear mixed-effects model with specific contrasts (p < 0.05).Results: Overall, the four variables (adhesive, bonding mode, EBL, aging) significantly influenced mu TBS. Solely G-PrB benefited from EBL when applied in SE mode. In E&R mode, P&Ba generally resulted in the highest mu TBSs, C-UBq presented with intermediate and G-PrB with the lowest mu TBSs, where the latter was significantly lower than the mu TBSs recorded for C-SE2. In SE mode, P&Ba generally resulted in the highest mu TBSs in 1- and 2-SE mode. Equally high mu TBSs were recorded for G-PrB in 2-SE mode with EBL. Lower mu TBSs were recorded for G-PrB in 1-SE mode and for C-UBq in 1- and 2-SE mode.Conclusion: The overall effect of EBL on immediate and aged bonding efficacy depended on the specific universal adhesive and its bonding mode.