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Last Updated: Sep 2009
What is Bad Breath?
Bad breath may also be persistent (Chronic bad breath), which is a more serious condition, affecting some 25% of the  population in varying degrees. It can negatively impact the individual's personal, social and business relationships, leading  to poor self-esteem and increased stress. This condition is usually caused by the metabolic activity of certain types of oral  bacteria.
Halitosis, oral malodor (scientific term), breath odor, foul breath, fetor oris, or most commonly bad breath are terms used  to describe noticeably unpleasant odors exhaled in breathing whether the smell is from an oral source or not.

Halitosis has a significant impact - personally and socially on those who suffer from it or believe they do (halitophobia),  and is estimated to be the 3rd frequent reason for seeking dental aid, following tooth decay and periodontal disease.

In most cases (85-90%), bad breath originates in the mouth itself. The intensity of bad breath differs during the day, as a  function of oral dryness, (which may be due to stress or fasting), eating certain foods (such as garlic, onions, meat, fish  and cheese), smoking and [[alcohol consumption and health|alcohol consumption. Because the mouth is dry and inactive during  the night, the odor is usually worse upon awakening ("morning breath"). Bad breath may be transient, often disappearing  following eating, brushing one's teeth, flossing, and rinsing with specialized mouthwash.
Bad Breath
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