Bacteria causing periodontal disease, halitosis identified in infants

This is because most oral bacteria found in adults have been detected in infants within that age range, according to a Japanese study conducted by the Oral Care Research Institute, Advanced Analytical Science Research Institute and Lion Dental Hygiene Research Institute.

The study attempted to clarify the exact time when oral care should be started from the viewpoint of bacterial plexus formation. This can be done by identifying the time when the infants’ bacterial flora approaches the bacterial plexus of adults.

“The number of infants carrying various bacterial species increased from about six months after birth to one and a half years old when teeth begin to grow.

“Among the bacterial species identified were bacteria known to be associated with halitosis and periodontal disease.

“Hence, the early stage of infancy is an important time to approach the oral bacterial flora of adults,” ​aid the researchers.

Oral bacteria inhabit the mouth and are formed by the individual’s conditions, eating habits and lifestyle.

For the study, the scientists recruited 55 pairs of parents and children (27 boys and 28 girls) to participate in the survey and saliva sampling. At the start of the survey, the average age of fathers was 32 years, while the average age of mothers was 30.7 years.

The scientists then sampled saliva from the children 10 times in total – at the one-week, one-month, three-month, six-month, nine-month, 12-month, 18-month, 24-month, 30-month and three-year marks. They also sampled saliva from the infants’ parents respectively when the child reached the age of three.


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