title: Impression materials and gingival retraction techniques for crowns and bridges.
authors.forename: D G
authors.initials: DG
authors.lastname: Purton
mesh_terms: D000818:Animals; D003442:Crowns; D003760:Dental Impression Materials; D003761:Dental Impression Technique / Q000295:instrumentation; D003829:Denture, Partial; D005881:Gingiva / Q000033:anatomy & histology; D006801:Humans
chemical_list: D003760:Dental Impression Materials