Journal of Inorganic Materials ›› 2026, Vol. 41 ›› Issue (4): 432-444.DOI: 10.15541/jim20250144

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Surface Modification of Titanium-based Dental Implants for Soft Tissue Sealing: A Review

LI Xuan1,2(), YE Kuicai1, FENG Jiayin1, QIU Jiajun3, QIAN Wenhao1(), XING Min1()   

  1. 1 Laboratory of Dental Biomaterials and Tissue Regeneration, Shanghai Xuhui District Stomatological Hospital, Shanghai 200032, China
    2 College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
    3 Biomaterials and Tissue Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • Received:2025-04-07 Revised:2025-06-05 Published:2026-04-20 Online:2025-06-27
  • Contact: XING Min, associate professor. E-mail: xingmin0821@126.com;
    QIAN Wenhao, chief physician. E-mail: pingyanlaoto@163.com
  • About author:LI Xuan (2000-), female, Master candidate. E-mail: 2233092@mail.dhu.edu.cn
  • Supported by:
    National Natural Science Foundation of China(52272283);Medical Research Project of Shanghai Xuhui District Dental Center(SHXYFJX202501)

Abstract:

Titanium and its alloys are widely used as dental implant materials due to their excellent mechanical property, corrosion resistance and biocompatibility. However, in clinical applications, titanium-based dental implants often suffer from poor soft tissue sealing, allowing bacteria to invade and induce peri-implantitis, and leading to final implant failure. To address these issues and effectively reduce the failure rate of implant surgery, researchers worldwide have conducted extensive and in-depth studies. This article reviews recent advancements in surface modification strategies for improving soft tissue sealing on titanium-based dental implants, with a focus on methods for regulating surface chemical composition and constructing micro-nano structures. Additionally, it highlights the existing challenges and future trends in this field, aiming to provide valuable insights for further research on soft tissue sealing of titanium-based dental implants.

Key words: titanium, implant, soft tissue sealing, antibacterial effect, surface modification, review

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