[The prevention of periodontal diseases: apropos of an enquiry].
D006267:Health Education, Dental / Q000592:standards; D006801:Humans; D009782:Occupational Dentistry; D009910:Oral Hygiene; D010510:Periodontal Diseases / Q000517:prevention & control*; D012571:School Dentistry; D011795:Surveys and Questionnaires
De la prévention des parodontopathies: a propos d'une enquete