title: Authors' response.
authors.affiliation: Geneva, Switzerland.
authors.forename: Alexander
authors.initials: A
authors.lastname: Dudic
authors.forename: Catherine
authors.initials: C
authors.lastname: Giannopoulou
authors.forename: Stavros
authors.initials: S
authors.lastname: Kiliaridis
mesh_terms: D001641:Bicuspid; D003481:Cuspid / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008437:Maxilla; D014087:Tooth Movement Techniques; D014095:Tooth, Impacted / Q000601:surgery*