title: Authors' response.
authors.forename: Long D
authors.initials: LD
authors.lastname: Tieu
authors.forename: Stephanie L
authors.initials: SL
authors.lastname: Walker
authors.forename: Michael P
authors.initials: MP
authors.lastname: Major
authors.forename: Carlos
authors.initials: C
authors.lastname: Flores-Mir
mesh_terms: D001641:Bicuspid / Q000473:pathology*; D006801:Humans; D008963:Molar / Q000473:pathology*; D020254:Tooth Ankylosis / Q000628:therapy*; D014094:Tooth, Deciduous / Q000473:pathology*