title: Author's response.
authors.affiliation: Melbourne, Australia.
authors.forename: Michael
authors.initials: M
authors.lastname: Woods
mesh_terms: D002610:Cheek / Q000033:anatomy & histology*; D003724:Dental Arch / Q000033:anatomy & histology*; D004955:Esthetics, Dental; D005260:Female; D006801:Humans; D008297:Male; D008437:Maxilla / Q000033:anatomy & histology*; D009971:Orthodontics, Corrective / Q000379:methods*; D012904:Smiling