title: Copper-band gingival retraction to produce void-free crown and bridge impressions.
mesh_terms: D003300:Copper; D003442:Crowns; D003761:Dental Impression Technique; D003830:Denture, Partial, Fixed; D005881:Gingiva; D006801:Humans; D007284:Inlays; D012826:Silicone Elastomers
chemical_list: D012826:Silicone Elastomers; D003300:Copper