title: Author's response.
authors.affiliation: Seoul, Korea.
authors.forename: Yoon-Ah
authors.initials: YA
authors.lastname: Kook
mesh_terms: D054893:Cone-Beam Computed Tomography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D052280:Orthodontic Anchorage Procedures / Q000295:instrumentation*; D016382:Orthodontic Appliance Design; D014087:Tooth Movement Techniques / Q000295:instrumentation*