How to keep chronic halitosis in check

http://www.oramd.com/halitosis/3-badbreathcurehalitosis.htm More specifically, bad breath is usually caused by the bacteria that live in a person's mouth. Bacteria, just like people, go through their lives consuming foods and excreting wastes. The wastes of some oral bacteria are sulfur compounds and it is primarily these odoriferous wastes which usually lie at the root of a person's bad breath.