Paper Title:
Effect of Apatite Wollastonite Glass Ceramic Addition on Brushite Bone Cement Containing Chitosan
  Abstract

Apatite wollastonite glass ceramic (AW-GC) (34.2% SiO2, 44.9% CaO, 16.3%P2O5, 4.6% MgO, 0.5% CaF2) was added into a brushite bone cement, which composed of β-tricalcium phosphate (β-Ca3(PO4)2, β-TCP) and monocalcium phosphate monohydrate (Ca (H2PO4)2H2O, MCPM) in powder phases. Cement was prepared using a 3 β-TCP:2 MCPM in weight ratio. To evaluate the effect of AW-GC on the mechanical strength and degradability of brushite bone cement, the powder phases and 1 wt.% of chitosan dissolved in 5 wt.% of citric acid solution were mixed and soaked in simulated body fluid solution at 37 °C for 1, 3, 5,7 and 14 days, respectively. The compressive strength and setting time of AW-GC added in brushite bone cement were studied and compared with pure brushite cement. The pH values increased with addition of AW-GC. Additionally, the obtained brushite bone cements were characterized by XRD, SEM techniques.

  Info
Periodical
Chapter
II. Biomaterials Science
Edited by
Tawee Tunkasiri
Pages
106-109
DOI
10.4028/www.scientific.net/AMR.506.106
Citation
N. Srakaew, S. T. Rattanachan, "Effect of Apatite Wollastonite Glass Ceramic Addition on Brushite Bone Cement Containing Chitosan", Advanced Materials Research, Vol. 506, pp. 106-109, 2012
Online since
April 2012
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Price
$32.00
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