The discovery of a new class of bacteria can lead to the creation of a medicine for caries.

Researchers at the University of Florida have discovered a new class of bacteria that live in the human oral cavity, able to fight microorganisms that cause dental caries.

It is known that excessive oxidation of the oral environment is associated with the activation of cariogenic bacteria. Streptococcus mutants Streptococcus mutants process sugar and produce lactic acid, creating a favorable environment for the formation of cavities in the teeth. The detected class of microorganisms, called A12, plays a prominent role in combating a decrease in pH.
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Scientists expect to create a probiotic from A12, which, increasing the number of "beneficial" microorganisms in the mouth, will prevent the formation of caries. The research team has deciphered the A12 genome in order to create the appropriate drug.

In the future, you will need to test for more people to statistically prove that people with elevated levels of A12 have less risk of caries.

Traces of caries were found even in people who lived 5 thousand years ago , although it was true that at that time its distribution was not so widespread. Caries is the most common human disease (over 93% of people). In childhood, it ranks first among chronic diseases and is found 5–8 times more often than the second most common disease, bronchial asthma. About 80% of adolescents at the time of graduation have carious cavities, and 95-98% of adults have sealed teeth.