title: Reply: To PMID 21502380.
authors.affiliation: Department of Dental Clinic, Section of Orthodontics, Gulhane Military Medical Academy, Haydarpasa Research and Training Hospital, Istanbul, Turkey.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Erkan
mesh_terms: D002508:Cephalometry / Q000592:standards*; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000592:standards*; D012986:Software Validation