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Surface Treatment and Bioinspired Coating for 3D-Printed Implants.

Junyi Liu1, Nafisah Bte Mohd Rafiq1, Lai Mun Wong1

  • 1Institute of Materials Research and Engineering (IMRE), ASTAR (Agency for Science, Technology and Research), Singapore, Singapore.

Frontiers in Chemistry
|December 6, 2021
PubMed
Summary
This summary is machine-generated.

Surface treatments enhance osseointegration for 3D-printed metallic implants. This review covers surface functionalities, treatments, and coatings, discussing challenges and future directions for improved bone-implant integration.

Keywords:
3D printingbioactive coatingbioglasshydroxyapatitemetallic implantmicro-arc oxidationosseointegrationsurface treatment

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Orthopedic Implants

Background:

  • Three-dimensional (3D) printing offers advanced control over metallic implant macrostructure.
  • Surface properties critically influence tissue response and osseointegration.
  • Optimizing surface treatments is key to enhancing bone-implant interface activity.

Purpose of the Study:

  • To review surface functionalities of 3D-printed metallic implants.
  • To discuss physical structure, chemical composition, and biological reactions via surface treatments and bioactive coatings.
  • To present challenges and future directions in surface treatment for 3D-printed implants.

Main Methods:

  • Literature review focusing on surface treatments and bioactive coatings for 3D-printed metallic implants.
  • Analysis of physical, chemical, and biological aspects of implant surfaces.
  • Discussion of current challenges and future research avenues.

Main Results:

  • Surface treatments significantly improve osseointegration of 3D-printed metallic implants.
  • Bioactive coatings and tailored surface structures enhance bone-implant integration.
  • Understanding surface-tissue interactions is crucial for implant success.

Conclusions:

  • Surface engineering is vital for maximizing the potential of 3D-printed metallic implants.
  • Further research is needed to address challenges in developing advanced surface treatments.
  • Future directions include novel coatings and structural modifications for superior osseointegration.