Surface properties and biocompatibility of sandblasted and acid-etched titanium–zirconium binary alloys with various compositions

Tianbo Tan, Qian Zhao, Hiroyuki Kuwae, Takeshi Ueno*, Peng Chen, Yusuke Tsutsumi, Jun Mizuno, Takao Hanawa, Noriyuki Wakabayashi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Ti–Zr alloys have been investigated as an alternative to commercially pure Ti (c.p.Ti). According to our previous studies on the mechanical properties of Ti–Zr alloys, a Zr proportion in the range of 30–50 mol% has competitive advantages over Ti–10Zr and c.p.Ti. The aim of this study is to evaluate the biological response to Ti–Zr alloys with different compositions and their surface characteristics. Alloy surfaces are modified by sandblasting and sulfuric acid etching. As a result, similar surface structures are observed for c.p.Ti, Ti–10Zr, and Ti–30Zr, whereas Ti–50Zr does not form a micro-rough structure by the same treatment process. No significant difference is found in the viability of cells on c.p.Ti, Ti–10Zr, and Ti–30Zr, whereas lower cell attachment levels are detected on Ti–50Zr. In summary, Ti–30Zr reliably forms a micro-rough structure, which provides one evidence for its application in a new dental implant material.

Original languageEnglish
Article numberdmj/2021-210
Pages (from-to)266-272
Number of pages7
JournalDental Materials Journal
Volume41
Issue number2
DOIs
Publication statusPublished - 2022

Keywords

  • Alloy composition
  • Implant
  • Surface characteristics
  • Surface modification
  • Titanium–zirconium

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

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