Effect of Particle Size and Application Pressure in Air-Borne Particle Abrasion on the Adhesion of Polyetheretherketone.

IF 1.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

European Journal of Prosthodontics and Restorative Dentistry Pub Date : 2024-05-31 DOI:10.1922/EJPRD_2610Sahin08

S C Sahin, L Mutlu-Sagesen, I Karaokutan, M Özcan

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引用次数: 0

Abstract

Introduction: This study aims to investigate the effect of different particle sizes and pressures on the shear bond strength (SBS) and the roughness (Ra) of polyetheretherketone.

Materials and methods: A total of 117 polyetheretherketone specimens were fabricated and divided into a control (CN: no air-particle abrasion) and eight pre-treatment groups (air-abraded with 50- or 110-μm Al2O3 particles at 1(A), 1.5(B), 2(C), and 2.5(D) bar). The adhesive, Visio.link was used. Thermal aging was performed. Surface properties, SBS and failure mode were assessed. Data was analyzed by linear regression, Pearson correlation and Dunnett's T3 test for pairwise comparisons (p⟨0.05).

Results: The highest and lowest Ra were found in the 110D and CN groups respectively, and the highest SBS results were obtained from the 50B group. Pressure and particle size showed significant difference on the investigated properties (p⟨0.001). Only adhesive failure was observed in the CN, and resin cohesive failure was observed in addition to adhesive failure in the overall study groups.

Conclusion: The air-borne particle abrasion procedures and the adhesive material combination are critical to the strength of the polyetheretherketone bond. The combination of visio.link with the pre-treatment option of 50-μm Al₂O₃ particles applied at 1.5-bar pressure delivered the most favorable results.

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气载微粒磨损中的微粒尺寸和应用压力对聚醚醚酮粘合力的影响

导言：本研究旨在探讨不同粒径和压力对聚醚醚酮剪切结合强度（SBS）和粗糙度（Ra）的影响：共制作了 117 个聚醚醚酮试样，并将其分为对照组（CN：无空气颗粒磨蚀）和 8 个预处理组（在 1(A)、1.5(B)、2(C) 和 2.5(D) bar 下使用 50 或 110μm Al2O3 颗粒进行空气磨蚀）。使用粘合剂 Visio.link。进行了热老化。对表面特性、SBS 和失效模式进行了评估。数据分析采用线性回归、皮尔逊相关和 Dunnett's T3 检验进行配对比较（p⟨0.05）：110D 组和 CN 组的 Ra 分别最高和最低，50B 组的 SBS 结果最高。压力和颗粒大小对所研究的性能有显著差异（p⟨0.001）。在 CN 组中仅观察到粘合剂失效，而在所有研究组中除粘合剂失效外还观察到树脂内聚失效：结论：气载颗粒磨损程序和粘合剂材料组合对聚醚醚酮粘合强度至关重要。将 visio.link 与在 1.5 巴压力下使用 50μm Al₂O₃ 颗粒的预处理方案相结合，可获得最理想的结果。

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来源期刊

European Journal of Prosthodontics and Restorative Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.30

自引率

7.70%

发文量

期刊介绍： The European Journal of Prosthodontics and Restorative Dentistry is published quarterly and includes clinical and research articles in subjects such as prosthodontics, operative dentistry, implantology, endodontics, periodontics and dental materials.