Bioactive borate glass coatings for titanium alloys.

Journal of Materials Science. Materials in Medicine
Laxmikanth PeddiRoger F Brown

Abstract

Bioactive borate glass coatings have been developed for titanium and titanium alloys. Glasses from the Na(2)O-CaO-B(2)O(3) system, modified by additions of SiO(2), Al(2)O(3), and P(2)O(5), were characterized and compositions with thermal expansion matches to titanium were identified. Infrared and X-ray diffraction analyses indicate that a hydroxyapatite surface layer forms on the borate glasses after exposure to a simulated body fluid for 2 weeks at 37 degrees C; similar layers form on 45S5 Bioglass((R)) exposed to the same conditions. Assays with MC3T3-E1 pre-osteoblastic cells show the borate glasses exhibit in vitro biocompatibility similar to that of the 45S5 Bioglass((R)). An enameling technique was developed to form adherent borate glass coatings on Ti6Al4V alloy, with adhesive strengths of 36 +/- 2 MPa on polished substrates. The results show these new borate glasses to be promising candidates for forming bioactive coatings on titanium substrates.

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Citations

Jan 22, 2010·Journal of Materials Science. Materials in Medicine·G E StanC O Morosanu
Apr 10, 2010·Journal of Materials Science. Materials in Medicine·Xin-Hui XieTing-Ting Tang
Sep 15, 2011·Journal of Materials Science. Materials in Medicine·G E StanJ M F Ferreira
Oct 30, 2016·Journal of Biomaterials Applications·Yiming LiMark R Towler
Jul 4, 2009·Expert Review of Medical Devices·Yogambha RamaswamyHala Zreiqat
Mar 22, 2020·Biomaterials·Jefferson FrigugliettiFatima A Merchant
Mar 16, 2021·Dental Materials Journal·Sirus SafaeeIkuya Watanabe
Nov 2, 2019·Bioactive Materials·Joy-Anne N OliverDonghui Zhu
Apr 30, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Szymon BajdaTomasz Tokarski

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