" when we applies this to young children , it allows us to predict which perhaps be their expected caries records - the number of sinuses that they ' ll get by , oh , their later 20s or old 30s , " speaks researcher colin denny . called the tooth observation and harm evaluated ( spa ) study , the study measures the perceived proportions in milk of different sets of soap bars called oligosaccharides . the same sugar chains are present on tooth enamel .
A test can predict cavities.