title: Now is the time to change to custom impression trays.
authors.affiliation: Clinical Research Associates, Provo, Utah.
authors.forename: G J
authors.initials: GJ
authors.lastname: Christensen
mesh_terms: D000180:Acrylic Resins; D015921:Dental Implants; D003760:Dental Impression Materials; D003761:Dental Impression Technique / Q000191:economics / Q000295:instrumentation*; D017267:Dental Prosthesis Design / Q000295:instrumentation*; D006801:Humans; D013674:Technology, Dental / Q000191:economics
chemical_list: D000180:Acrylic Resins; D015921:Dental Implants; D003760:Dental Impression Materials