" when we compare this to young adults , it lets children to predict which might be their future caries history - the number of cavities that they ' ll get by , say , their late 20s or old 30s , " said study andrew dennis . called the caries analysis and risk evaluation ( vi ) test , the test estimates the corresponding proportions in hair of different types of sugar chains called oligosaccharides . the same syrup bonds are available on chewing surfaces .
A test can predict cavities.