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瓷与无铍镍铬合金、无镍铍钴铬合金及钛的剪切粘结强度的评估与比较：一项研究。

Evaluation and comparison of shear bond strength of porcelain to a beryllium-free alloy of nickel-chromium, nickel and beryllium free alloy of cobalt-chromium, and titanium: An study.

作者信息

Singh Ananya, Ramachandra Keerthi, Devarhubli Achut R

机构信息

Department of Prosthodontics, Sri Rajiv Gandhi College of Dental Sciences and Hospital, Bengaluru, Karnataka, India.

出版信息

J Indian Prosthodont Soc. 2017 Jul-Sep;17(3):261-266. doi: 10.4103/jips.jips_337_16.

DOI:10.4103/jips.jips_337_16
PMID:28936040
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5601492/
Abstract

AIMS

The aim of this study was to evaluate and compare the shear bond strength of porcelain to the alloys of nickel-chromium (Ni-Cr), cobalt-chromium (Co-Cr), and titanium.

MATERIALS AND METHODS

A total of 40 samples (25 mm × 3 mm × 0.5 mm) were fabricated using smooth casting wax and cast using Ni-Cr, Co-Cr, and titanium alloys followed by porcelain buildup. The samples were divided into four groups with each group containing 10 samples (Group A1-10: sandblasted Ni-Cr alloy, Group B1-10: sandblasted Co-Cr alloy, Group C1-10: nonsandblasted titanium alloy, and Group D1-10: sandblasted titanium alloy). Shear bond strength was measured using a Universal Testing Machine.

STATISTICAL ANALYSIS USED

ANOVA test and Tukey's honestly significance difference test for multiple comparisons.

RESULTS

The mean shear bond strength values for these groups were 22.8960, 27.4400, 13.2560, and 25.3440 MPa, respectively, with sandblasted Co-Cr alloy having the highest and nonsandblasted titanium alloy having the lowest value.

CONCLUSION

It could be concluded that newer nickel and beryllium free Co-Cr alloys and titanium alloys with improved strength to weight ratio could prove to be good alternatives to the conventional nickel-based alloys when biocompatibility was a concern.

摘要

目的

本研究旨在评估并比较瓷与镍铬（Ni-Cr）、钴铬（Co-Cr）和钛合金之间的剪切粘结强度。

材料与方法

使用光滑铸造蜡制作40个样本（25毫米×3毫米×0.5毫米），并分别用Ni-Cr、Co-Cr和钛合金铸造，随后进行瓷层堆塑。样本分为四组，每组10个样本（A1-10组：喷砂处理的Ni-Cr合金，B1-10组：喷砂处理的Co-Cr合金，C1-10组：未喷砂处理的钛合金，D1-10组：喷砂处理的钛合金）。使用万能材料试验机测量剪切粘结强度。

所用统计分析方法

方差分析和用于多重比较的Tukey真实显著性差异检验。

结果

这些组的平均剪切粘结强度值分别为22.8960、27.4400、13.2560和25.3440兆帕，其中喷砂处理的Co-Cr合金最高，未喷砂处理的钛合金最低。

结论

可以得出结论，当考虑生物相容性时，新型无镍铍的Co-Cr合金和强度重量比更高的钛合金可能是传统镍基合金的良好替代品。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/67baa331df31/JIPS-17-261-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/47b276dfe545/JIPS-17-261-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/fa3770bf8862/JIPS-17-261-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/0ca8b0c5926d/JIPS-17-261-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/22e53a00a02f/JIPS-17-261-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/07fec966330c/JIPS-17-261-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/908516b0e307/JIPS-17-261-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/539d6f0b752a/JIPS-17-261-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/67baa331df31/JIPS-17-261-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/47b276dfe545/JIPS-17-261-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/fa3770bf8862/JIPS-17-261-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/0ca8b0c5926d/JIPS-17-261-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/22e53a00a02f/JIPS-17-261-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/07fec966330c/JIPS-17-261-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/908516b0e307/JIPS-17-261-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/539d6f0b752a/JIPS-17-261-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/687a/5601492/67baa331df31/JIPS-17-261-g008.jpg

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