提高激光抛光植入物的生物相容性。

IF 3.4 3区 医学 Q1 ENGINEERING, MULTIDISCIPLINARY
Mattew A Olawumi, Francis T Omigbodun, Bankole I Oladapo
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引用次数: 0

摘要

这项研究旨在通过激光抛光提高 PEEK(聚醚醚酮)仿生牙科植入体的表面质量、机械性能和生物相容性。目的是通过降低表面粗糙度、增加亲水性和提高机械强度来改善骨结合和植入物的耐久性。研究方法包括通过 FDM 制造 PEEK 种植体并进行激光抛光。研究结果表明,表面粗糙度降低了 66.7%,Ra 从 2.4 微米降至 0.8 微米;亲水性提高了 25.3%,水接触角从 87°降至 65°。机械测试显示,拉伸强度提高了 6.3%(从 96 兆帕提高到 102 兆帕),抗疲劳性提高了 50%(从 100,000 次循环提高到 150,000 次循环)。强度分析结果显示,刚度存储模量从 1400 兆帕提高到 1500 兆帕,提高了 10%。误差分析表明,所有测试的标准偏差为 ±3%。总之,激光抛光能明显改善 PEEK 种植体的表面、机械和生物性能,使其成为推动生物仿生牙科种植技术发展的一种有前途的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improved Biocompatibility in Laser-Polished Implants.

This research aims to enhance the surface quality, mechanical properties, and biocompatibility of PEEK (polyether-ether-ketone) biomimetic dental implants through laser polishing. The objective is to improve osseointegration and implant durability by reducing surface roughness, increasing hydrophilicity, and enhancing mechanical strength. The methodology involved fabricating PEEK implants via FDM and applying laser polishing. The significant findings showed a 66.7% reduction in surface roughness, Ra reduced from 2.4 µm to 0.8 µm, and a 25.3% improvement in hydrophilicity, water contact angle decreased from 87° to 65°. Mechanical tests revealed a 6.3% increase in tensile strength (96 MPa to 102 MPa) and a 50% improvement in fatigue resistance (100,000 to 150,000 cycles). The strength analysis result showed a 10% increase in stiffness storage modulus from 1400 MPa to 1500 MPa. Error analysis showed a standard deviation of ±3% across all tests. In conclusion, laser polishing significantly improves the surface, mechanical, and biological performance of PEEK implants, making it a promising approach for advancing biomimetic dental implant technology.

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来源期刊
Biomimetics
Biomimetics Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
3.50
自引率
11.10%
发文量
189
审稿时长
11 weeks
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