Bad breath can have a significant and negative impact, both personally and socially, on those who suffer from it.

Bad breath (or halitosis) is the name given to unpleasant odours exhaled when breathing.

In most cases, bad breath originates in the mouth itself. The intensity of bad breath can change during the day, as a result of eating certain foods, smoking, alcohol consumption and/or dryness of the mouth. Because saliva flow decreases during the night, bad breath is also common first thing in the morning.