title: [Primary prevention of chronic marginal gingivitis].
mesh_terms: D002710:Chlorhexidine / Q000627:therapeutic use; D003149:Community Dentistry; D003729:Dental Care; D003773:Dental Plaque / Q000517:prevention & control; D005891:Gingivitis / Q000517:prevention & control*; D006801:Humans; D009910:Oral Hygiene; D014099:Toothbrushing / Q000379:methods
chemical_list: D002710:Chlorhexidine
vernacular_title: Prevención primaria de la gingivitis marginal crónica.