title: [Mandibular drift-orthodontics after first premolar extraction].
authors.forename: Q
authors.initials: Q
authors.lastname: Jia
authors.forename: X
authors.initials: X
authors.lastname: Gao
authors.forename: M
authors.initials: M
authors.lastname: Fu
mesh_terms: D000293:Adolescent; D002508:Cephalometry; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008297:Male; D008311:Malocclusion, Angle Class I / Q000601:surgery*; D008312:Malocclusion, Angle Class II / Q000601:surgery*; D008644:Mesial Movement of Teeth; D008963:Molar; D009970:Orthodontics / Q000379:methods; D014081:Tooth Extraction