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Bone-Bonding Ability of Anodized Titanium Plate Loaded With Hydroxyapatite Particles

Published online by Cambridge University Press:  15 March 2011

Mitsunobu Iwasaki ,
Kohki Kudo ,
Kazuki Shimada ,
Kohji Matsuzaki  and
Chiaki Hamanishi
Mitsunobu Iwasaki
Affiliation:
Department of Applied Chemistry, School of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
Kohki Kudo
Affiliation:
Department of Applied Chemistry, School of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
Kazuki Shimada
Affiliation:
Department of Applied Chemistry, School of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
Kohji Matsuzaki
Affiliation:
Department of Orthopedic Surgery, School of Medicine, Kinki University, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
Chiaki Hamanishi
Affiliation:
Department of Orthopedic Surgery, School of Medicine, Kinki University, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
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Abstract

Submicron-sized hydroxyapatite (HAp) particles were loaded on the titanium plate by anodic oxidation over spark discharge voltage in HAp-containing bath. The biocompatibility and bioactivity were drastically improved by HAp deposition on the anodic oxide films. The affinity with living bone was the following order: anodized titanium plate with HAp > anodized titanium plate ≫ titanium. Bone-bonding strength between HAp-loaded titanium plate and living bone after 4 weeks' implant was much higher than that of anodized titanium plate.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1132: Symposium Z – Mechanics of Biological and Biomedical Materials , 2008 , 1132-Z08-08
Copyright
Copyright © Materials Research Society 2009

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References

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