磁力研磨对Ti-6Al-4V合金种植体基台表面质量与耐腐蚀性的研究

doi:10.12337/zgkqzzxzz.2025.12.009

中国口腔种植学杂志 ›› 2025, Vol. 30 ›› Issue (6): 566-573.DOI: 10.12337/zgkqzzxzz.2025.12.009

磁力研磨对Ti-6Al-4V合金种植体基台表面质量与耐腐蚀性的研究

熊浪^1,2, 宿瀚奇³, 郝俊江³, 宿玉成^1,3,4

¹佳木斯大学口腔医学院佳木斯大学口腔医学工程实验中心黑龙江省生物医学材料及临床应用重点实验室 154002;
²佳木斯大学 154007;
³北京卡尔斯医疗器械有限公司 102600;
⁴中国医学科学院北京协和医院口腔种植中心 100032

收稿日期:2025-07-04 出版日期:2025-12-30 发布日期:2025-12-23
通讯作者: 宿玉成,Email：yuchengsu@163.com,电话：010-89215883;郝俊江,Email：Haojunjiang@caresimplant.com,电话：010-89215883
作者简介:熊浪,硕士研究生在读,研究方向：口腔种植体表面处理、数字化口腔种植。
郝俊江,表面处理工程师、医学硕士、硕士研究生导师,研究方向：表面处理技术、生物医用功能表面、表面性能预测与设计。
宿玉成,主任医师、教授、博士研究生导师,研究方向：口腔种植外科和正颌外科相关研究。

Study on surface quality and corrosion resistance of Ti-6Al-4V alloy implant abutments by magnetic abrasive finishing

Xiong Lang^1,2, Su Hanqi³, Hao Junjiang³, Su Yucheng^1,3,4

¹Stomatology College of Jiamusi University, Experimental Center for Stomatological Engineering, Jiamusi University, Key Laboratory of Oral Biomedical Materials and Clinical Application, Heilongjiang Province, Jiamusi 154002, Heilongjiang, China;
²Jiamusi University, Jiamusi 154007, Heilongjiang, China;
³Beijing CRS Medical Device Co., Ltd, Beijing 102600, China;
⁴Dental Implant Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100032, China

Received:2025-07-04 Online:2025-12-30 Published:2025-12-23
Contact: Su Yucheng, Email: yuchengsu@163.com, Tel: 0086-10-85215883; Hao Junjiang, Email: Haojunjiang@caresimplant.com, Tel: 0086-10-85215883

摘要/Abstract

摘要： 目的探讨磁力研磨（MAF）技术对六铝四钒钛（Ti-6Al-4V）合金种植体基台表面形貌、粗糙度、亲水性及耐腐蚀性能的影响,明确不同磁针直径对表面性能优化的作用,为临床表面处理工艺提供依据。方法将Ti-6Al-4V合金圆柱试样随机分为5组,即未处理组（control组）和磁针直径为0.2 mm、0.5 mm、1.0 mm、1.5 mm的MAF处理组（分别记为MAF_0.2组、MAF_0.5组、MAF_1.0组、MAF_1.5组）。固定其他加工参数,仅改变磁针直径进行MAF处理,通过扫描电子显微镜观察表面形貌变化,光学表面粗糙度仪测量表面粗糙度,接触角测量仪评估亲水性,并采用电化学极化测试分析各组样品在人工唾液中的腐蚀电位（E_corr）、腐蚀电流密度（i_corr）及极化电阻（R_p）。结果 MAF处理可有效去除原始加工痕迹,降低表面粗糙度并改善亲水性,各组间差异具有统计学意义（P<0.05）。其中MAF_1.0组（磁针直径1.0 mm、磁针长度5.0 mm、磁极转速40 Hz、研磨时间60 min）表现最优,其平均粗糙度（Ra）降低至（0.197±0.022）μm,接触角降至??.??°±?.??°,E_corr升高至-0.5661 V,i_corr降至0.0114 μA·cm^-2,R_p提高至8.97×10⁶ Ω·cm²,均优于其他处理组及control组,显示出最优的综合性能。结论 MAF技术可显著改善Ti-6Al-4V合金种植体基台的表面形貌、粗糙度、亲水性和耐腐蚀性,直径为1.0 mm的磁针进行处理时,表面性能提升效果最为显著,为后续临床表面处理工艺的优化提供了重要实验依据。

关键词: 六铝四钒钛, 种植体基台, 磁力研磨, 耐腐蚀性

Abstract: Objective This study investigates the effects of magnetic abrasive finishing (MAF) technology on the surface morphology, roughness, hydrophilicity, and corrosion resistance of Ti-6Al-4V alloy dental implant abutments. It aims to clarify the role of different magnetic needle diameters in optimizing surface properties and provide a basis for clinical surface treatment processes. Methods Ti-6Al-4V alloy cylindrical specimens were divided into five groups: an untreated control group (control) and MAF-treated groups with magnetic needle diameters of 0.2 mm, 0.5 mm, 1.0 mm, and 1.5 mm (MAF_0.2, MAF_0.5, MAF_1.0, and MAF_1.5). MAF treatment was performed by changing only the magnetic needle diameter while keeping the other processing parameters constant. Surface morphology changes were observed using a scanning electron microscope (SEM), surface roughness was measured using an optical surface roughness meter, hydrophilicity was assessed using a contact angle measuring instrument, and electrochemical polarization testing was used to analyze the corrosion potential (E_corr), corrosion current density (i_corr), and polarization resistance (R_p) of each group of samples in artificial saliva. Results MAF treatment effectively removed original processing marks, reduced surface roughness, and improved hydrophilicity, with statistically significant differences between groups(P<0.05). In the MAF_1.0group (magnetic needle diameter 1.0 mm, magnetic needle length 5.0 mm, magnetic pole rotation speed 40 Hz, grinding time 60 min), Ra decreased to(0.197 ± 0.022) μm, contact angle decreased to 78.03° ± 1.59°, E_corr increased to -0.5661 V,i_corr decreased to 0.0114 μA·cm^-2, and R_pincreased to 8.97×10⁶ Ω·cm², all outperforming other treatment groups and the control group, demonstrating the best overall performance. Conclusion MAF technology can significantly improve the surface morphology, roughness, hydrophilicity, and corrosion resistance of Ti-6Al-4V alloy implant abutments. Magnetic needle treatment with a diameter of 1.0 mm is most effective in improving surface performance, providing an experimental basis for subsequent clinical evaluation.

Key words: Ti-6Al-4V, Implant abutment, Magnetic abrasive finishing, Corrosion resistance

熊浪,宿瀚奇,郝俊江,等. 磁力研磨对Ti-6Al-4V合金种植体基台表面质量与耐腐蚀性的研究[J]. 中国口腔种植学杂志, 2025, 30(6): 566-573. DOI: 10.12337/zgkqzzxzz.2025.12.009

Xiong Lang, Su Hanqi, Hao Junjiang, Su Yucheng. Study on surface quality and corrosion resistance of Ti-6Al-4V alloy implant abutments by magnetic abrasive finishing[J].Chinese Journal of Oral Implantology, 2025, 30(6): 566-573.DOI: 10.12337/zgkqzzxzz.2025.12.009.

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磁力研磨对Ti-6Al-4V合金种植体基台表面质量与耐腐蚀性的研究

Study on surface quality and corrosion resistance of Ti-6Al-4V alloy implant abutments by magnetic abrasive finishing

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