title: Authors' response.
authors.affiliation: Bristol, United Kingdom.
authors.forename: Anthony J
authors.initials: AJ
authors.lastname: Ireland
authors.affiliation: Bristol, United Kingdom.
authors.forename: Goldie
authors.initials: G
authors.lastname: Songra
authors.affiliation: Salisbury, United Kingdom.
authors.forename: Matthew
authors.initials: M
authors.lastname: Clover
authors.affiliation: Bristol, United Kingdom.
authors.forename: Nikki E
authors.initials: NE
authors.lastname: Atack
authors.affiliation: Exeter, United Kingdom.
authors.forename: Paul
authors.initials: P
authors.lastname: Ewings
authors.affiliation: Bristol, United Kingdom.
authors.forename: Martyn
authors.initials: M
authors.lastname: Sherriff
authors.affiliation: Bristol, United Kingdom.
authors.forename: Jonathan R
authors.initials: JR
authors.lastname: Sandy
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D016382:Orthodontic Appliance Design; D016910:Orthodontic Brackets; D019516:Orthodontic Space Closure / Q000295:instrumentation*; D014087:Tooth Movement Techniques / Q000295:instrumentation*