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Method for producing tooth parts from dental metal powder
专利权人:
Stefan Wolz
发明人:
Stefan Wolz
申请号:
US13392191
公开号:
US08943693B2
申请日:
2010.07.30
申请国别(地区):
US
年份:
2015
代理人:
摘要:
The invention relates to a method for producing tooth parts from dental-grade metal powder, wherein existing CAD/CAM milling machines can be used. The essential process steps consist of: a) preparing a slurry from dental-grade metal powder, b) casting the slurry into a mold, c) drawing out (drying) suspension liquid (water) until a mechanically stable blank is obtained, d) milling the blank into the desired shape, e) oxygen-free sintering of the tooth parts milled from the blank. Because the blank is still present as a green body, milling does not place great demands on the milling machine in terms of mechanical stability and dust development. As a result, the operating speed and the service lives of customary milling machines are substantially increased.
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