Properties and mechanisms of fast-setting calcium phosphate cements

Kunio Ishikawa, Shozo Takagi, Laurence C. Chow, Yoshiko Ishikawa

研究成果: Contribution to journalArticle査読

139 被引用数 (Scopus)

抄録

The setting time of a calcium phosphate cement consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA) was reduced from 30 to 5 min by use of a cement liquid that contained a phosphate concentration of 0.25 mol/l or higher. The diametral tensile strength and conversion of the cement ingredients to hydroxyapatite (OHAp) during the first 3 h were also significantly increased by the phosphate. However, the phosphate produced no significant effects on the properties of the 24-h cement samples. Results from additional experiments in a slurry system verified that the high phosphate concentration in the solution accelerated the formation of OHAp in the TTCP + DCPA system, and this reaction could explain the fast-setting properties of the cements.

本文言語英語
ページ(範囲)528-533
ページ数6
ジャーナルJournal of Materials Science: Materials in Medicine
6
9
DOI
出版ステータス出版済み - 9 1995
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生物理学
  • バイオエンジニアリング
  • 生体材料
  • 生体医工学

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