Patent ID: 8882502
Filing Date: 2014-11-11
Classification: A61C

Abstract:
1. A device for use in retracting a gingiva from a human tooth by widening a gingival sulcus with a dental composition, the device comprising: a cannula with a free end which comprises an opening for dispensing the dental composition, the free end and the opening being shaped so that the opening can be positioned in the entry of the gingival sulcus with an outer surface of the free end touching the tooth and the gingiva, wherein the free end is further shaped so that the gingiva is laterally displaced from the tooth as the cannula is further moved with the opening toward the inside of the gingival sulcus, wherein the cannula comprises: wherein the device further comprises: wherein the device contains a dental composition which comprises: wt.-% with respect to the whole composition.