title: Custom-made water-cooled trays for reversible hydrocolloid impressions in difficult situations.
mesh_terms: D003080:Cold Temperature; D003102:Colloids; D003760:Dental Impression Materials / Q000592:standards*; D003761:Dental Impression Technique / Q000295:instrumentation*; D006801:Humans; D008722:Methods; D014867:Water
chemical_list: D003102:Colloids; D003760:Dental Impression Materials; D014867:Water