Our mouths are a delicate balance of good and bad bacteria. When we clean our teeth, the aim is to knock out cavity-causing bacteria, while allowing beneficial oral bacteria to thrive. Now, researchers have developed a sugar-free candy, which favors the balance to the side of good bacteria .
To promote better oral health, a team from the Berlin-based firm Organobalance GmbH, Germany, created a new candy, which they claim reduced levels of 'bad' bacteria in study subjects' mouths. Their research was published in Probiotics and Antimicrobial Proteins.
They note that after we eat, bacteria on the surface of the teeth release acid, which can dissolve the tooth enamel, leading to cavities. The most common strain of this "bad" bacteria is called Mutans streptococci . However, the researchers say that in previous studies with rats, another bacteria called Lactobacillus paracasei has been shown to reduce levels of the cavity-causing bacteria, decreasing the number of cavities in the rodents. The team, led by Christine Lang, believe that by binding with M.streptococci , the L. paracasei bacteria prevent this bad bacteria from reattaching to the teeth, causing it to get washed away by saliva.
To test whether L. paracasei could help prevent cavities in people, Lang and her team developed a sugar-free candy containing heat-killed samples of the bacteria. They then tested the candy on a group of 60 volunteers. One third ate candies with one milligram of L. paracasei, one third ate candies with two milligrams and one third ate candies that tasted the same, but contained no bacteria.
Results showed that nearly 75% of the participants who ate candies with the good bacteria had "significantly lower" levels of Mutans streptococci in their saliva than before, compared with the control group. The researchers point out that they by using dead bacteria, they were able to
avoid problems live bacteria might have caused. Killing the L. paracasei does not destroy the sugar that binds with mutans streptococci. L.paracasei does not bind with beneficial oral bacteria. This makes it a better choice for cavity prevention than other probiotics. "Additionally," they add, "sugar-free candies stimulate saliva flow, a benefit to oral health."
See Also Dental Implant Diplo
And Also Clinical Nutrition Diploma
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