Effects of tricalcium silicate addition on basic properties of crtricalcium phosphate cement

Lester Joseph Cardenas, Akari Takeuchi, Shigeki Matsuya, Kunio Ishikawa

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Addition of tricalcium silicate (Ca3SiO5; alite) to apatite cement (AC) may be effective to increase the osteoconductivity of AC. However, only limited studies have been made so far for the effect of alite addition on the basic setting properties of α-tricalcium phosphate [α-Ca3 (PO4)2; α-TCP] based cement. In the present study, effects of added alite on the basic properties of α-TCP based AC was studied. α-TCP powder containing 0.0, 2.5, 5.0, 10.0, and 20.0 mass% alite were mixed with 0.25 mol/L sodium dihydrogen phosphate solution (NaH2PO4) and the obtained cement pastes were stored in 100% relative humidity at 37°C. Initial setting time was delayed with increase in alite content. The 2.5-5.0 mass% of alite added cements were completely transformed into apatite within 24 h and the final mechanical strength of the set cement increased reaching approximately 15 MPa in terms of diametral tensile strength when compared with alite-free cement which showed approximately 9 MPa. However, 10.0-20.0 mass% of alite addition suppressed the apatite formation and decreased the mechanical strength of the set cement. We concluded therefore, that addition of appropriate amount of alite to α-TCP is desirable with respect to the setting properties of AC.

Original languageEnglish
Pages (from-to)83-87
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume116
Issue number1349
DOIs
Publication statusPublished - Jan 1 2008

Fingerprint

cements
Silicates
silicates
phosphates
Cements
Phosphates
Apatites
Apatite
apatites
Strength of materials
tricalcium silicate
Ointments
Powders
tensile strength
humidity
Atmospheric humidity
Tensile strength
Sodium
sodium

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Effects of tricalcium silicate addition on basic properties of crtricalcium phosphate cement. / Cardenas, Lester Joseph; Takeuchi, Akari; Matsuya, Shigeki; Ishikawa, Kunio.

In: Journal of the Ceramic Society of Japan, Vol. 116, No. 1349, 01.01.2008, p. 83-87.

Research output: Contribution to journalArticle

Cardenas, Lester Joseph ; Takeuchi, Akari ; Matsuya, Shigeki ; Ishikawa, Kunio. / Effects of tricalcium silicate addition on basic properties of crtricalcium phosphate cement. In: Journal of the Ceramic Society of Japan. 2008 ; Vol. 116, No. 1349. pp. 83-87.
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abstract = "Addition of tricalcium silicate (Ca3SiO5; alite) to apatite cement (AC) may be effective to increase the osteoconductivity of AC. However, only limited studies have been made so far for the effect of alite addition on the basic setting properties of α-tricalcium phosphate [α-Ca3 (PO4)2; α-TCP] based cement. In the present study, effects of added alite on the basic properties of α-TCP based AC was studied. α-TCP powder containing 0.0, 2.5, 5.0, 10.0, and 20.0 mass{\%} alite were mixed with 0.25 mol/L sodium dihydrogen phosphate solution (NaH2PO4) and the obtained cement pastes were stored in 100{\%} relative humidity at 37°C. Initial setting time was delayed with increase in alite content. The 2.5-5.0 mass{\%} of alite added cements were completely transformed into apatite within 24 h and the final mechanical strength of the set cement increased reaching approximately 15 MPa in terms of diametral tensile strength when compared with alite-free cement which showed approximately 9 MPa. However, 10.0-20.0 mass{\%} of alite addition suppressed the apatite formation and decreased the mechanical strength of the set cement. We concluded therefore, that addition of appropriate amount of alite to α-TCP is desirable with respect to the setting properties of AC.",
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