Abstract
AbstractThe high surface energy of sandblasted and acid etched (SLA) titanium surfaces can be retained by keeping them submersed in an isotonic NaCl solution at pH 4 to 6 under a nitrogen atmosphere immediately after the acid‐etching process, thus reducing the adsorption of potential contaminants from the atmosphere. The novel implant surface thus produced shows a strongly increased hydrophilicity, compared to the conventional SLA surface, and is named SLActive.Several animal studies have indicated a faster osseointegration of the SLActive surface, compared to the SLA surface, and improved regeneration in bone defects next to implants. Histological and immunohistochemical studies have shown improved wound healing at the SLActive surface only a few days after implantation and a pilot clinical study has shown the break point from decreasing stability to increasing stability occurring after 2 weeks for SLActive implants, compared to 4 weeks for SLA implants.
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