" after we apply this to young children , it allows our to predict this might be their anticipated pfoa historia - the number of hollowed that they ' ll get by , say , their late 20s or early 30s , " says researcher glenn denny . called the dental identification and risk evaluation ( care ) test , the test measures the compared mixture in saliva of different types of sugar chains called oligosaccharides . the same sugar chains are present on tooth surfaces .
A test can predict cavities.