发明名称 DENTAL RETRACTION DEVICE AND PROCESS OF ITS PRODUCTION
摘要 The invention relates to dental retraction device having the shape of a yarn comprising twisted fibers comprising an alginate containing component, wherein the length of the fibers is in a range of about 10 to about 200 mm and/or wherein the fiber fineness is at least about 1 dtex. The invention also relates to a method for producing such a device as well as the use of this device in a process for retracting dental tissue.
申请公布号 EP2349066(A1) 申请公布日期 2011.08.03
申请号 EP20090792985 申请日期 2009.09.25
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 MAURER, ANDREAS, R.;GRUETZ, RUDI;KLETTKE, THOMAS;PEEZ, ROBERT F.;HAMPE, RUEDIGER;SCHULTE, CHRISTOPH
分类号 A61C9/00 主分类号 A61C9/00
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