Effect of Adhesive Resin Application on the Durability of Adhesion to CAD/CAM Glass-Ceramics after either Hydrofluoric Acid Etching or Self-etch Primer Application.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2022-08-18 DOI:10.3290/j.jad.b3240691

Taciana Emília Leite Vila-Nova, Dayanne Monielle Duarte Moura, Gabriela Monteiro de Araújo, Rafael de Almeida Spinelli Pinto, Fabíola Pessôa Pereira Leite, Renata Marques Melo, Mutlu Özcan, Rodrigo Othávio de Assunção E Souza

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引用次数: 0

Abstract

Purpose: To evaluate the effect of two surface conditioning methods, namely conventional hydrofluoric acid vs self-etching primer, and the application of adhesive on the bond strength of resin cement to CAD/CAM glass-ceramics.

Materials and methods: Blocks (N = 96) (12 x 10 x 2.5 mm) were manufactured, 24 for each tested ceramic type: lithium silicate ceramic (LS), polymer-infiltrated ceramic (PIC), leucite-reinforced feldspathic ceramic (FD), and lithium-disilicate glass-ceramic (LD). For bond strength testing, 64 blocks were randomly divided into 16 groups (4 blocks per group) according to the following factors: ceramic: 4 levels; etching: 2 levels (HFS: hydrofluoric acid + silane or Monobond Etch & Prime [MEP]); and adhesive application: 2 levels, with (signified as A) and without. Then for each group, 15 resin cement cylinders (AllCem Dual, FGM) were built up. All specimens were subjected to thermocycling (10,000 cycles) and to shear bonding strength testing (SBS) (100 kgf, 0.5 mm/min). Mean shear stresses (MPa) were statistically analyzed by three-way ANOVA, Tukey's test, and Weibull analysis.

Results: The mean bond strength of group PIC-HFS-A (28.45 ± 7.6 MPa) was significantly higher than that of groups LS-HFS-A (12.11 ± 2.7MPa) and FDHFSA (20.86 ± 2.0MPa). Group PIC-HFS bond strength (25.02 ± 6.5 MPa) was significantly higher only when compared to group LS-HFS (15.82 ± 4.4 MPa). The LS group presented lower SBS compared to all other groups. No significant differences were found between HFS and MEP surface treatments.

Conclusion: Surface treatment with MEP promotes adhesion similar to that of HFS. Additional application of adhesive after the surface treatments did not improve the bond strength.

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应用氢氟酸蚀刻或自酸蚀底漆后，粘合剂树脂对 CAD/CAM 玻璃陶瓷粘合持久性的影响。

目的：评估两种表面处理方法（即传统氢氟酸与自酸蚀底漆）以及粘合剂的应用对树脂水泥与 CAD/CAM 玻璃陶瓷粘结强度的影响：制造块体（N = 96）（12 x 10 x 2.5 毫米），每种测试陶瓷类型各 24 块：硅酸锂陶瓷（LS）、聚合物浸润陶瓷（PIC）、白云石强化长石陶瓷（FD）和二硅酸锂玻璃陶瓷（LD）。在粘接强度测试中，64 个块体按以下因素随机分为 16 组（每组 4 个块体）：陶瓷：4 个等级；蚀刻：2 个等级（HFS：氢氟酸 + 硅烷或 Monobond Etch & Prime [MEP]）；粘合剂应用：2 个等级，有（标记为 A）和无。然后，每组制作 15 个树脂水泥圆柱体（AllCem Dual，FGM）。所有试样都进行了热循环（10,000 次）和剪切粘接强度测试（SBS）（100 千克力，0.5 毫米/分钟）。通过三方方差分析、Tukey 检验和 Weibull 分析对平均剪切应力（兆帕）进行统计分析：结果：PIC-HFS-A 组的平均粘接强度（28.45 ± 7.6 MPa）明显高于 LS-HFS-A 组（12.11 ± 2.7 MPa）和 FDHFSA 组（20.86 ± 2.0 MPa）。只有 PIC-HFS 组的粘接强度（25.02 ± 6.5 兆帕）明显高于 LS-HFS 组（15.82 ± 4.4 兆帕）。与所有其他组相比，LS 组的 SBS 较低。HFS 和 MEP 表面处理之间没有发现明显差异：结论：MEP 表面处理的粘附力与 HFS 相似。表面处理后再涂抹粘合剂并不能提高粘合强度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464