发明名称 Gingival retraction device and method
摘要 A device for retracting gingival tissue away from a tooth or plurality of teeth prepared to receive a dental prosthesis comprising a retraction material associated with a provisional restoration to be packed into a sulcus associated with the prepared tooth. The device is preferably compressible, deformably rigid, extensile and non-elastic and will not stick to the gingiva or tooth structure thereby allowing for atraumatic removal leaving a dry open sulcus. A method of use is also disclosed.
申请公布号 US7153134(B2) 申请公布日期 2006.12.26
申请号 US20040020207 申请日期 2004.12.27
申请人 COOPERSMITH ALLAN 发明人 COOPERSMITH ALLAN
分类号 A61C9/00 主分类号 A61C9/00
代理机构 代理人
主权项
地址