Cheese may prevent cavities

Consuming cheese and other dairy products may help protect teeth against cavities.

That’s according to a new study published in the May/June 2013 issue of General Dentistry, the peer-reviewed clinical journal of the Academy of General Dentistry (AGD).

The study sampled 68 subjects ranging in age from 12-15, and the authors looked at the dental plaque pH in the subjects’ mouths before and after they consumed cheese, milk, or sugar-free yogurt.

A pH level lower than 5.5 puts a person at risk for tooth erosion.

Vipul Yadav, lead author of the study, said: ‘The higher the pH level is above 5.5, the lower the chance of developing cavities.’

The subjects were assigned into groups randomly. Researchers instructed the first group to eat cheddar cheese, the second group to drink milk, and the third group to eat sugar-free yogurt. Each group consumed their product for three minutes and then swished with water. Researchers measured the pH level of each subject’s mouth at 10, 20, and 30 minutes after consumption.

The groups who consumed milk and sugarfree yogurt experienced no changes in the pH levels in their mouths. Subjects who ate cheese, however, showed a rapid increase in pH levels at each time interval, suggesting that cheese has anti-cavity properties.

The study indicated that the rising pH levels from eating cheese may have occurred due to increased saliva production that could be caused by the action of chewing. Additionally, various compounds found in cheese may adhere to tooth enamel and help further protect teeth from acid.

AGD spokesperson Seung-Hee Rhee, said: ‘It looks like dairy does the mouth good. Not only are dairy products a healthy alternative to carb- or sugar-filled snacks, they also may be considered as a preventive measure against cavities.’

 

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