title: [Middle grades do better in prevention education].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002652:Child Behavior; D003812:Dentist-Patient Relations; D006267:Health Education, Dental; D006801:Humans
vernacular_title: Die Mittelschicht spricht besser auf Prophylaxe-Erziehung an.