title: Letter to the editor: response to Dr Simonsen.
authors.forename: Jan
authors.initials: J
authors.lastname: Kühnisch
mesh_terms: D003188:Composite Resins / Q000737:chemistry*; D006801:Humans; D010895:Pit and Fissure Sealants
chemical_list: D003188:Composite Resins; D010895:Pit and Fissure Sealants