title: [Prevention of diseases of the tooth supporting structures--results of controlled clinical longitudinal studies].
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D008137:Longitudinal Studies; D009910:Oral Hygiene; D010510:Periodontal Diseases / Q000517:prevention & control*; D010512:Periodontal Index
vernacular_title: Prävention der Erkrankungen des Zahnhalteapparates-Ergebnisse kontrollierter klinischer Längsschnittstudien.