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Bioinspired Modifications of PEEK Implants for Bone Tissue Engineering.

Xinming Gu1, Xiaolin Sun1, Yue Sun1

  • 1Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China.

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|January 29, 2021
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Polyetheretherketone (PEEK) shows promise as an implant material but has poor bone integration. This review explores strategies to enhance PEEK

Keywords:
bioactivityimplantsosseointegrationpolyetheretherketonesurface modification

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Area of Science:

  • Biomaterials Science
  • Orthopedic Surgery
  • Tissue Engineering

Background:

  • Polyetheretherketone (PEEK) is widely used in clinical implants due to its biocompatibility, chemical stability, radiolucency, and bone-like elastic modulus.
  • A significant limitation of PEEK implants is their inadequate integration with surrounding bone tissue.
  • Improving the bioactivity of PEEK is crucial for enhanced clinical performance.

Purpose of the Study:

  • To review current strategies for enhancing the biocompatibility and bone integration of PEEK implants.
  • To explore surface functionalization and structural modification techniques for PEEK.
  • To provide future directions for developing multifunctional PEEK implants inspired by bone tissue.

Main Methods:

  • Literature review of surface modification techniques for PEEK.
  • Analysis of structural modification approaches for PEEK.
  • Synthesis of findings on strategies to improve PEEK bioactivity.

Main Results:

  • Various strategies exist to enhance PEEK's bioactivity and bone integration.
  • Surface functionalization and structural modifications are key approaches.
  • Bone-inspired designs offer potential for multifunctional implants.

Conclusions:

  • Enhancing PEEK's bioactivity is essential for improving implant integration.
  • Future PEEK implants could be designed with multifunctional properties inspired by natural bone.
  • Further research into advanced PEEK modification techniques is warranted.