To absorb more of it, eat foods that are a good source of vitamin C at the same time. Vitamin C rich foods, like citrus fruits, tomatoes, and some green leafy vegetables will improve the absorption of the iron in the other food. You can also get more iron by cooking in iron pots and pans. It's sad that many children have some form of tooth decay, because it could be prevented. One-half of all 4 year old children have some decay.
Tooth decay is the result of acids produced by bacteria found naturally in the mouth.
The acids erode the enamel of the teeth, causing a cavity. Whether or not a cavity occurs depends on the strength of the teeth, brushing and flossing habits, and foods eaten. Strong teeth can resist cavities better than weak teeth. A good diet helps make strong teeth. One mineral, flouride is especially important in making strong teeth.