title: Use of orthodontic expansion screw in fabricating section custom trays.
authors.affiliation: School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran. mir-ali@nrcgeb.ac.ir
authors.forename: A
authors.initials: A
authors.lastname: Mirfazaelian
mesh_terms: D003761:Dental Impression Technique / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D009967:Orthodontic Appliances