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Bar matrix
专利权人:
Peter Sprenger
发明人:
Peter Sprenger
申请号:
US12311150
公开号:
US08100691B2
申请日:
2007.07.06
申请国别(地区):
US
年份:
2012
代理人:
摘要:
For a resilient mounting of a spider die onto a dental prosthetic suprastructure on a male spider mold, at least one retention element is molded onto a sleeve, and the retention element has a substantially occlusal alignment. The at least one retention element extends across the entire length of the sleeve and has a head having a connecting neck in its cross-section. In this manner, retention undercuts are formed on both sides of the connecting neck. The connecting neck of the at least one retention element is molded at an offset as opposed to the crown line of the sleeve. A spider die is thus created, which has an improved retention with an increased retention force at a smaller installation height.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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