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Investigation of Effective Modification Treatments for Titanium Membranes

Department of Advanced Prosthodontics, Hiroshima University Graduate School of Biomedical and Health Sciences; 1‐2‐3, Kasumi, Minami‐ku, Hiroshima 734‐8553, Japan
Author to whom correspondence should be addressed.
Appl. Sci. 2017, 7(10), 1022;
Received: 4 September 2017 / Revised: 25 September 2017 / Accepted: 2 October 2017 / Published: 4 October 2017
(This article belongs to the Section Materials)
Titanium membranes are used for guided bone regeneration in implant therapy. However, as a bioinert material, titanium does not have the ability to accelerate bone formation. Various titanium surface treatments to confer bioactivity have been demonstrated; however, there are concerns about the influence of chemical treatments for thin titanium membranes. This study investigated the influence of surface modifications on the structure of titanium membranes. Titanium membranes of 20 μm thickness were treated with acid or alkali solutions, and we evaluated their surface structure, wettability, thickness, and mechanical strength compared to non-treated membranes. Alkali-treated titanium membranes displayed the formation of nanoscale pore structures on their surfaces, enhanced hydrophilicity, and almost same thickness compared with acid-treated membranes. Furthermore, the tensile strength of alkali-treated membranes was comparable to non-treated membranes. These results suggest that alkali treatment is an appropriate surface modification method for titanium membranes. View Full-Text
Keywords: Key words: titanium membrane; surface modification; alkali treatment Key words: titanium membrane; surface modification; alkali treatment
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Kobatake, R.; Doi, K.; Oki, Y.; Umehara, H.; Kawano, H.; Kubo, T.; Tsuga, K. Investigation of Effective Modification Treatments for Titanium Membranes. Appl. Sci. 2017, 7, 1022.

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