[Longitudinal information-motivation study on gingival conditions in school children aged 7-9].
D002648:Child; D005891:Gingivitis / Q000453:epidemiology*; D006267:Health Education, Dental; D006801:Humans; D009042:Motivation; D009426:Netherlands; D009910:Oral Hygiene; D012571:School Dentistry
Eine lingitudinale Informations-Motivations-Studie über den Gingivazustand bei 7-bis 9 jährigen Schulkindern.