title: Letter to the Editor.
authors.affiliation: University of Dundee, Dundee, Scotland, UK.
authors.forename: Nicola
authors.initials: N
authors.lastname: Innes
authors.affiliation: University of Greifswald, Greifswald, Germany.
authors.forename: Ruth
authors.initials: R
authors.lastname: Santamaria
authors.affiliation: University of Leeds, Leeds, UK.
authors.forename: Monty
authors.initials: M
authors.lastname: Duggal
authors.affiliation: University of Greifswald, Greifswald, Germany.
authors.forename: Christian
authors.initials: C
authors.lastname: Splieth
mesh_terms: D002648:Child; D002675:Child, Preschool; D003442:Crowns; D003731:Dental Caries / Q000628:therapy*; D003793:Dental Restoration, Permanent / Q000379:methods*; D006801:Humans; D014094:Tooth, Deciduous