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聚醚醚酮不同表面处理方法及剪切粘结特性评估:SEM 分析。

Assessment of different surface treatments and shear bond characteristics of poly-ether-ether-ketone: An SEM analysis.

机构信息

Department of Prosthodontics, M. A. Rangoonwala College of Dental Science and Research Centre, Pune, Maharashtra, India.

Department of Prosthodontics, Rural Dental College, PMT PIMS, Loni, Uttar Pradesh, India.

出版信息

J Indian Prosthodont Soc. 2021 Oct-Dec;21(4):412-419. doi: 10.4103/jips.jips_199_21.

DOI:10.4103/jips.jips_199_21
PMID:34810370
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8617443/
Abstract

AIM

The aim of this study is to assess the surface roughness and shear bond characteristics of pol-ether-ether-ketone after different surface treatments.

SETTING AND DESIGN

An in vitro, prospective.

MATERIALS AND METHODS

One hundred and twenty disc-shaped samples of 10 mm diameter and 2 mm thickness were milled and subjected to following surface treatments: 110 μm alumina particles, 98% concentrated sulfuric acid, and 10-20 μm synthetic diamond particles. Surface characteristics of treated sample were studied under SEM with ×500 and ×1000 magnification. Shear bond strength (SBS) with composite resin discs embedded in acrylic blocks after luting with self-etch resin cement and resin-modified glass ionomer cement (RMGIC) was evaluated using the universal testing machine (Instron®, Massachusetts U. S. A).

STATISTICAL ANALYSIS USED

The data collected were evaluated using the Analysis of variance and Tukey's honest significant difference post hoc test.

RESULTS

Highest SBS and SR were noted with self-etch resin cement in the given order: 98% sulfuric acid (2.106 ± 0.186 μm), followed by alumina particles (1.706 ± 0.160 μm) and synthetic diamond particles (1.101 ± 0.167 μm).

CONCLUSION

The SBS of self-etch resin cement was higher compared to RMGIC for all three surface treatments done on test samples. Hundred percent samples treated by all three surface treatment methods showed mixed type of failure.

摘要

目的

本研究旨在评估不同表面处理后聚醚醚酮的表面粗糙度和剪切结合特性。

设置和设计

体外,前瞻性。

材料和方法

120 个直径为 10 毫米、厚度为 2 毫米的圆盘状样本经过铣削,然后进行以下表面处理:110μm 氧化铝颗粒、98%浓硫酸和 10-20μm 合成金刚石颗粒。使用 SEM(×500 和×1000 放大倍数)研究处理后样品的表面特征。将复合树脂圆盘嵌入丙烯酸块中,然后用自酸蚀树脂水泥和树脂改性玻璃离子水泥(RMGIC)进行胶合,使用万能试验机(Instron®,美国马萨诸塞州)评估剪切结合强度(SBS)。

统计分析方法

使用方差分析和 Tukey 的诚实显著差异事后检验评估收集的数据。

结果

在所给顺序中,自酸蚀树脂水泥的 SBS 和 SR 最高:98%硫酸(2.106±0.186μm),其次是氧化铝颗粒(1.706±0.160μm)和合成金刚石颗粒(1.101±0.167μm)。

结论

与 RMGIC 相比,所有三种表面处理方法处理后的自酸蚀树脂水泥的 SBS 更高。用所有三种表面处理方法处理的 100%样本均显示混合类型的失效。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/17a9ae4321ef/JIPS-21-412-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/f14ff92a72a4/JIPS-21-412-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/2008570c65ce/JIPS-21-412-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/17a9ae4321ef/JIPS-21-412-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/f14ff92a72a4/JIPS-21-412-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/2008570c65ce/JIPS-21-412-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f61/8617443/17a9ae4321ef/JIPS-21-412-g003.jpg

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