Novel laser surface texturing for improved primary stability of titanium implants

Laura Tiainen*, Pedro Abreu, Mihaela Buciumeanu, Filipe Silva, Michael Gasik, Rodrigo Serna Guerrero, Oscar Carvalho

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)
13 Downloads (Pure)

Abstract

Recently, the production of well-defined patterned surfaces with random or regular micro and nano-features has brought new opportunities for research and development in the field of tissue engineering and regenerative medicine. Among advanced micro and nano processing technologies, laser surface texturing (LST) stands out due to its simplicity, flexibility, precision, reproducibility and relatively low cost. This work studies the development of patterned surfaces controlled by of LST into biomedical grade V titanium, Ti–6Al–4V–alloy. We present different cross-hatched micropatterns followed by the characterisation of surface morphology and topography. Structural integrity of the produced patterns is evaluated by friction tests against bone, mimicking the insertion of an implant. Wettability is studied as it is crucial for protein adsorption and cell adhesion. The results show that the surface topography obtained using different patterning plans influences the wetting behaviour and the coefficient of friction against bone.

Original languageEnglish
Pages (from-to)26-39
Number of pages14
JournalJournal of the Mechanical Behavior of Biomedical Materials
Volume98
DOIs
Publication statusPublished - 8 May 2019
MoE publication typeA1 Journal article-refereed

Keywords

  • Dental implant material
  • LST
  • Micropatterns
  • surface texturing
  • Ti–6Al–4V alloy

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