Journal
METALS
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/met11040618
Keywords
titanium; surface treatment; HA blasting; sandblasted and acid-etched (SLA); anodic oxidation (AO); micro-arc oxidation (MAO)
Funding
- Catholic University of Korea, Research Fund, 2020
- Basic Science Research Program through the National Research Foundation of Korea - Korea government (MSIT) [2020R1F1A1072103]
- National Research Foundation of Korea [2020R1F1A1072103] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study utilized various surface treatment technologies on titanium to improve biological response and adhesion strength, aiming to enhance the performance of titanium and its alloys in orthopedic applications.
As biocompatible metallic materials, titanium and its alloys have been widely used in the orthopedic field due to their superior strength, low density, and ease of processing. However, further improvement in biological response is still required for rapid osseointegration. Here, various Ti surface-treatment technologies were applied: hydroxyapatite blasting, sand blasting and acid etching, anodic oxidation, and micro-arc oxidation. The surface characteristics of specimens subjected to these techniques were analyzed in terms of structure, elemental composition, and wettability. The adhesion strength of the coating layer was also assessed for the coated specimens. Biocompatibility was compared via tests of in vitro attachment and proliferation of pre-osteoblast cells.
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