title: Trayless brush-and-syringe impressions and tray-supported impressions compared by stereophotogrammetry.
mesh_terms: D002133:Calcium Sulfate; D003760:Dental Impression Materials; D003761:Dental Impression Technique; D005260:Female; D006801:Humans; D008437:Maxilla; D008722:Methods; D008875:Middle Aged; D012828:Silicones
chemical_list: D003760:Dental Impression Materials; D012828:Silicones; D002133:Calcium Sulfate