title: I brush my teeth twice a day but still have a problem with bad breath. What else can I do?
mesh_terms: D006209:Halitosis / Q000382:microbiology / Q000517:prevention & control*; D006801:Humans; D009067:Mouthwashes / Q000627:therapeutic use; D009910:Oral Hygiene / Q000379:methods; D014059:Tongue / Q000382:microbiology
chemical_list: D009067:Mouthwashes