发明名称 DEVICE AND A METHOD FOR DELIVERY OF A DENTAL COMPOSITION
摘要 A device for use in retracting a gingiva from a human tooth by widening a gingival sulcus with a dental composition. The device comprises a cannula with a free end having an opening for dispensing the dental composition. The free end is shaped to be inserted with its front in the entry of the gingival sulcus, and to laterally displace the gingiva from the tooth as the cannula is moved in the gingival sulcus. The invention may help to achieve a reliable and cost effective gingival retraction treatment.
申请公布号 US2015024341(A1) 申请公布日期 2015.01.22
申请号 US201414511257 申请日期 2014.10.10
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 PAUSER HELMUT;HAMPE RÜDIGER;SCHULTE CHRISTOPH;KNEE MICHAEL;MAURER ANDREAS
分类号 A61C9/00 主分类号 A61C9/00
代理机构 代理人
主权项 1. A method of retracting the gingiva from a human tooth comprising the steps of: providing a cannula having a free end with an opening for dispensing a dental composition; positioning the cannula within the entry of the gingival sulcus between the gingiva and the tooth; inserting the cannula into the entry of the gingival sulcus and thereby laterally displacing the gingiva from the tooth; and providing a dental composition from the opening into the gingival sulcus.
地址 SAINT PAUL MN US