Added Sugar In Raisin Cereals Increases Acidity Of Dental Plaque
Elevated dental plaque acid is a risk factor that contributes to cavities in children. But eating bran flakes with raisins containing no added sugar does not promote more acid in dental plaque than bran flakes alone, according to new research at the University of Illinois at Chicago.
Published in the dental journal Pediatric Dentistry, the study involved children ages 7 to 11 and four different types of test foods -- raisins; bran flakes; raisin bran cereal with added sugar; mix of bran flakes with raisins without added sugar. The study found that adding unsweetened raisins to bran flakes did not increase plaque acid compared to bran flakes alone.
Some dentists believe sweet, sticky foods such as raisins cause cavities because they are difficult to clear off the tooth surfaces, said Christine Wu, professor and director of cariology research at UIC and lead investigator of the study. However, studies have shown that raisins are rapidly cleared from the surface of the teeth just like apples, bananas and chocolate, she said. In a previous study then at the same university, researchers identified several natural compounds from raisins that can inhibit the growth of some oral bacteria linked to cavities or gum disease.
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