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Characterization of Type B Carbonate Apatite Sintered Bodies

  • N. Watanobe (a1), T. Yoshioka (a1), T. Ikoma (a1), T. Kuwayama (a2), T. Higaki (a2), J.S. Cross (a1) and J. Tanaka (a1)...

Abstract

The dissolution kinetics of type B carbonate apatite (CAp) disks sintered at different temperatures were investigated under acidic conditions similar to an osteoclastic desorption process in bone remodeling. The type B CAp disks, which were uniaxially pressed at 98MPa and sintered at temperatures of 600 to 700 ºC, showed single crystalline phase and a high relative density of 60-62 % compared to the stoichiometric density of 3.16g/cm3 of hydroxyapatite (HAp). The dissolution rate of type B CAp disks sintered at 650 ºC was 3.5 times faster than that of HAp disks at 650 ºC. These results indicate that the Type B CAp sintered disks show potential use as a biodegradable material for artificial bone.

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Characterization of Type B Carbonate Apatite Sintered Bodies

  • N. Watanobe (a1), T. Yoshioka (a1), T. Ikoma (a1), T. Kuwayama (a2), T. Higaki (a2), J.S. Cross (a1) and J. Tanaka (a1)...

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