" when we apply this to adolescent children , it aids parents to predict what might be their current caries history - the fraction of cavities that they ' ll go by , say , their late 20s or early 30s , " says investigator peter mckenna . called the scarring assessment and risk evaluation ( care ) method , the test measures the relative amount in saliva of several types of sugar chains called oligosaccharides . the same honey pairs are present on tooth textures .
A test can predict cavities.