How does chlorine dioxide help treat bad breath (halitosis)?
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Dr. De Vizio of Colgate answered:Chlorine dioxide is used in many over-the-counter (OTC) mouthwashes to kill bacteria and freshen breath. Mouth bacteria are a common source of bad breath. Research findings show that by reducing the number and activity of bacteria in the mouth, some oral rinses containing chlorine dioxide may improve mouth odor.
Chlorine dioxide is used in many over-the-counter (OTC) mouthwashes to kill bacteria and freshen breath. Mouth bacteria are a common source of bad breath. Research findings show that by reducing the number and activity of bacteria in the... More -
Dr. Benjamin S Fiss DDS answered:Using products containing chlorine dioxide is also very effective in the treatment of halitosis.
Chlorine dioxide breaks apart the molecules that cause bad breath. It destroys bad breath rather than acting as a cover-up, like some toothpastes and mouthwashes. By destroying the bacteria, the overall health of one's mouth is improved.
Using products containing chlorine dioxide is also very effective in the treatment of halitosis. Chlorine dioxide breaks apart the molecules that cause bad breath. It destroys bad breath rather than acting as a cover-up, like some toothpastes and... More

