Advanced search×

Low temperature fabrication of magnesium phosphate cement scaffolds by 3D powder printing.

Uwe U Klammert, Elke E Vorndran, Tobias T Reuther, Frank A FA Müller, Katharina K Zorn, and Uwe U Gbureck

J Mater Sci Mater Med 21(11):2947-53 (2010) PMID 20740307

Synthetic bone replacement materials are of great interest because they offer certain advantages compared with organic bone grafts. Biodegradability and preoperative manufacturing of patient specific implants are further desirable features in various clinical situations. Both can be realised by 3D powder printing. In this study, we introduce powder-printed magnesium ammonium phosphate (struvite) structures, accompanied by a neutral setting reaction by printing farringtonite (Mg(3)(PO(4))(2)) powder with ammonium phosphate solution as binder. Suitable powders were obtained after sintering at 1100°C for 5 h following 20-40 min dry grinding in a ball mill. Depending on the post-treatment of the samples, compressive strengths were found to be in the range 2-7 MPa. Cytocompatibility was demonstrated in vitro using the human osteoblastic cell line MG63.

DOI: 10.1007/s10856-010-4148-8
Version: za2963e q8za3 q8zb2 q8zcb q8zd0 q8zee q8zfc q8zga

Similar articles you may find interesting…

  1. Biocompatibility of magnesium phosphate minerals and their stability under physiological conditions.
    Faleh F Tamimi, Damien D Le Nihouannen, ... Jake E JE Barralet

    Acta Biomater 7(6):2678-85 (2011) PMID 21324383

    We have shown that certain Magnesium phosphate phases such as newberyite and cattiite are able to promote in vivo osteogenic activity in a similar way to calcium phosphates such as hydroxyapatite and brushite. This confirms the great potential of magnesium phosphate ceramics in the development of ne...
  2. Spasmodic dysphonia, perceptual and acoustic analysis: presenting new diagnostic tools.
    Denise Irene DI Siemons-Lühring, Mieke M Moerman, ... Philippe P Dejonckere

    Eur Arch Otorhinolaryngol 266(12):1915-22 (2009) PMID 19802628

    We investigate whether (1) the IINFVo (Impression, Intelligibility, Noise, Fluency and Voicing) perceptual rating scale and (2) the AMPEX (Auditory Model Based Pitch Extractor) acoustical analysis are suitable for evaluating adductor spasmodic dysphonia (AdSD). Voice recordings of 12 patients were a...
  3. Deutscher Bund und deutsche Nation 1848-1866
    Frank Lorenz Muller

    Ger Hist 26(3):441-442 (2008)