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Solobacterium moorei is the organism largely responsible for chronic bad breath, or halitosis, biologists reported at the annual meeting of the American Association for Dental Research in Dallas.
Persistent bad breath, which can be very embarrassing, is often caused by the breakdown of bacteria in the mouth, producing foul-smelling sulphur compounds that reside on the surface of the tongue.
“Tongue bacteria produce malodorous compounds and fatty acids, and account for 80 to 90% of all cases of bad breath,” said Betsy Clark, a student at the State University of New York at Buffalo School of Dental Medicine.
Some cases of bad breath originate in the lungs or sinuses.
In a study of 21 people with chronic bad breath and 36 subjects without this problem, Clark and colleagues found S moorei in every patient that had halitosis compared with only four comparison subjects. The four people without halitosis infected with S moorei all had periodontitis, an infection of the gums that can also lead to chronically bad breath.
In a previous study of eight patients with halitosis and five without, S moorei was “always found in patients with halitosis and never in patients who did not have this problem,” Dr Violet I Haraszthy, who was involved in both studies, noted. “A number of other studies have also found this bacterium in halitosis patients.”
Sources: The Times Of India