Journal of Materials Science: Materials in Medicine

, Volume 17, Issue 11, pp 1127–1132

Characterization of a novel calcium phosphate composite bone cement: Flow, setting, and aging properties

Article

DOI: 10.1007/s10856-006-0539-2

Cite this article as:
Roemhildt, M.L., Wagner, S.D. & McGee, T.D. J Mater Sci: Mater Med (2006) 17: 1127. doi:10.1007/s10856-006-0539-2

Abstract

The flow, setting, and aging characteristics of a newly developed calcium phosphate/calcium aluminate composite orthopaedic cement were studied. The effect of vibration on the flow of the cement paste was studied and found to greatly enhance placement. The setting times of this cement were dependent on temperature and decreased with increasing temperatures. At 37C, the working and setting times were 6.3 ± 0.3 and 12.8 ± 0.4 minutes, respectively.

Hydration and conversion of the cement phases continued while specimens were stored under simulated, physiological conditions. A cumulative increase in mass of 8.23 ± 0.65% was observed over a 14 month test period. During this time, the cement was found to expand slightly, 0.71 ± 0.39%. X-ray diffraction was used to characterize the crystalline phases present during hydration and conversion. The calcium aluminate in the cement hydrated and formed calcium aluminate chloride hydrates, while no changes were observed in the β-tricalcium phosphate during the testing period.

Copyright information

© Springer Science + Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Orthopaedics and RehabilitationUniversity of VermontBurlingtonUSA
  2. 2.Department of Veterinary Clinical SciencesIowa State UniversityAmesUSA
  3. 3.Department of Materials Science and EngineeringIowa State UniversityAmesUSA