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PROCÉDÉ DE FABRICATION D'UNE ÉBAUCHE COLORÉE ET ÉBAUCHE
专利权人:
DeguDent GmbH;DENTSPLY SIRONA Inc.
发明人:
申请号:
EP19164838.5
公开号:
EP3542752A1
申请日:
2017.03.20
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
The invention relates to a method for manufacturing a colored blank, which contains zirconium dioxide and is intended for the manufacture of a dental restoration, whereby raw materials in powder form, at least some of which contain one coloring substance each, are mixed with zirconium dioxide as the main ingredient, the resulting mixture is pressed and subsequently subjected to at least one thermal treatment. To generate the desired fluorescence, it is intended that in the raw materials in powder form one uses as coloring substances at least terbium, erbium, cobalt, as well as one substance that generates a fluorescence effect in the dental restoration, however not iron, aside from naturally occurring impurities.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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