" when we apply this to young children , it allows us to predict when might be their future deformity history - the presence of cavities that they ' ll get by , say , their latter 20s or early 30s , " say anthropologist paul denny . named the caries assessment and risk evaluation ( care ) method , the test measures the relative proportions in lips of different types of sugar chains named oligosaccharides . the same sugar chains are present on tooth surfaces .
A test can predict cavities.