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WHAT CAUSES BAD BREATH?
What you eat affects the air you exhale. Certain foods, such as garlic and onions, contribute to objectionable breath odor.
One of the warning signs of periodontal (gum) disease is persistent bad breath or a bad taste in the mouth. Periodontal disease is caused by plaque, the sticky, colorless film of bacteria that constantly forms on teeth. These bacteria produce foul-smelling gasses that cause bad breath. With regular dental checkups, your dentist can detect and treat periodontal disease early.
Bad breath is also caused by dry mouth (xerostomia). Saliva is necessary to cleanse the mouth and remove particles that may cause breath odor. Dry mouth may be caused by various medications, salivary gland problems or continuously breathing through the mouth. If you suffer from dry mouth, your dentist may prescribe an artificial saliva or other steps that will help.
Tobacco products cause bad breath and also stain teeth, reduce one's ability to taste foods and irritate gum tissues. Tobacco users are more likely to suffer from periodontal disease and are at greater risk for developing oral cancer.
Bad breath may be the sign of a medical disorder, such as a local infection in the respiratory tract (nose throat, windpipe, lungs), chronic sinusitis, postnasal drip, chronic bronchitis, diabetes, gastrointestinal disturbance, liver or kidney ailment. If your dentist determines that your mouth is healthy, you may be referred to your family doctor or a specialist to determine the cause of bad breath.
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What can I do about bad breath?
Regular checkups will allow your dentist to detect any problems causing bad breath such as periodontal (gum) disease, a dry mouth or other disorders that may be the cause. Maintaining good oral hygiene, eliminating periodontal (gum) disease and scheduling regular professional cleanings are essential to reducing bad breath.
Regardless of what may be the cause, good oral hygiene is essential. Brush twice a day and clean between your teeth daily with interdental cleaners. Brush your tongue, too. If you wear dentures, be sure to remove them at night and clean them thoroughly before replacing them the next morning.
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