Hostname: page-component-848d4c4894-75dct Total loading time: 0 Render date: 2024-05-04T04:28:25.056Z Has data issue: false hasContentIssue false

Porous calcium aluminate ceramics for bone-graft applications

Published online by Cambridge University Press:  31 January 2011

S. J. Kalita
Affiliation:
School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164
S. Bose
Affiliation:
School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164
A. Bandyopadhyay*
Affiliation:
School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164
H. L. Hosick
Affiliation:
School of Molecular Biosciences, Washington State University, Pullman, Washington 99164
*
a)Address all correspondence to this author.amitband@wsu.edu
Get access

Abstract

Calcium aluminate scaffolds with controlled porosity were processed for bone-graft applications. Indirect fused deposition process was used to fabricate these structures. Phase analyses were done using x-ray diffraction technique on powdered samples of calcium aluminates at different compositions. Hg porosimetry was used to determine the pore sizes and the pore volumes present in these controlled porosity structures at different calcium aluminate compositions. Cylindrical samples were tested under uniaxial compressive loading as a function of composition and volume fraction porosity (VFP). Samples of 29% and 44% VFP (designed) with average pore size of 300 μm showed compressive strength between 2 and 24 MPa. Cytotoxicity and cell proliferation studies were conducted with a modified human osteoblast cell line (HOB). These materials showed good cell attachment and a steady cell growth behavior with HOB cells during the first three weeks of in vitro analyses.

Type
Articles
Copyright
Copyright © Materials Research Society 2002

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1.Engin, N.O. and Tas, A.C., J. Am. Ceram. Soc. 83, 1581 (2000).CrossRefGoogle Scholar
2.Hench, L.L. and Wilson, J., An Introduction To Bioceramics(World Scientific, Singapore, 1993), p. 181.CrossRefGoogle Scholar
3.Goulet, R.W., Goldstein, S.A., Ciarelli, M.J., Kuhn, J.L., Brown, M.B., and Feldkamp, L.A., J. Biomech. 27, 375 (1994).CrossRefGoogle Scholar
4.Hulbert, S.F., Bokros, J.C., Hench, L.L., Wilson, J., and Heimke, G., in High Tech Ceramics, edited by Vincenzini, P. (Elsevier, Amsterdam, The Netherlands, 1987), p. 189.Google Scholar
5.Scrivener, K.L., Cabiron, J-L., and Letourneux, R., Cem. Concr. Res. 29, 1215 (1999).CrossRefGoogle Scholar
6.Hafner, H.C., Kreidl, N.J., and Weidel, R.A., J. Am. Ceram. Soc. 41, 315 (1958).CrossRefGoogle Scholar
7.Davy, J.R., Glass Technol. 19, 32 (1978).Google Scholar
8.Chung, W.J., Yoo, J.R., Kim, Y.S., and Heo, J., J. Am. Ceram. Soc. 80, 1485 (1997).CrossRefGoogle Scholar
9.Chatterjee, A.K. and Zhmoidin, G.I., J. Mater. Sci. 7, 93 (1972).CrossRefGoogle Scholar
10.Klawitter, J. and Hulbert, S.F., Biomed. Mater. Symp. 2, 161 (1971).CrossRefGoogle Scholar
11.Hulbert, S.F., Morrison, S.J., and Klawitter, J.J., J. Biomed. Mater. Res. 6, 347 (1972).CrossRefGoogle Scholar
12.Hentrich, R.L., Graves, G.A., Stein, H.G., and Bajpai, P.K., J. Biomed. Mater. Res. 5, 25 (1971).CrossRefGoogle Scholar
13.Walters, W.A., in Solid Freeform Fabrication Symposium Proceedings, edited by Marcus, H.L., Beamen, J.J., Barlow, J.W., Bourell, D.L., and Crawford, R.H. (University of Texas at Austin, Austin, TX, 1992), p. 301.Google Scholar
14.Bose, S., Suguira, S., and Bandyopadhyay, A., Scr. Mater. 41, 19 (1999).CrossRefGoogle Scholar
15.Hattiangadi, A. and Bandyopadhyay, A., J. Am. Ceram. Soc. 83, 2730 (2000).CrossRefGoogle Scholar
16.Winn, S.R., Randolph, G., Uludag, H., Wong, S.C., Hair, G.A., and Hollinger, J.O., J. Bone Miner. Res. 14 (1999).CrossRefGoogle Scholar
17.Sylvester, P.W., Birkenfeld, H.P., Hosick, H.L., and Briski, K.P., Exp. Cell Res. 214, 145 (1994).CrossRefGoogle Scholar