发明名称 dispositivo para o suprimento de um fio de retração dental e seu método para fabricação e kit de partes
摘要 The invention relates to a device for supplying a dental retraction cord. The device comprises a cannula for dispensing a dental substance, and comprises a dental retraction cord disposed within the cannula so that the dental retraction cord is entrained by the dental substance dispensed through the cannula. The invention may help to facilitate a gingival retraction procedure in dentistry.
申请公布号 BRPI0913758(A2) 申请公布日期 2015.10.20
申请号 BR2009PI13758 申请日期 2009.09.25
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 ALEXANDER WALTER;MARC PEUKER;MATHIAS BERTL;RÜDIGER HAMPE
分类号 A61C9/00 主分类号 A61C9/00
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