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PROCESS FOR PROVIDING A TOPOGRAPHY TO THE SURFACE OF A DENTAL IMPLANT
专利权人:
Straumann Holding AG
发明人:
Frank Homann,Phillippe Habersetzer
申请号:
US14484572
公开号:
US20150056574A1
申请日:
2014.09.12
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A process for providing a topography to the surface of a dental implant, the surface being made of a ceramic material having yttria-stabilized zirconia, the process including: providing a macroscopic roughness to the surface of the dental implant by a mechanical process and/or injection molding technique; and etching at least a part of the roughened surface, wherein etching is carried out using an etching solution having hydrofluoric acid at a temperature of 70° C. at least, such that discrete grains or agglomerates of grains are removed from the yttria-stabilized zirconia, thereby forming recesses and cavities in the roughened surface is disclosed.
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