NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Zoe Malin Reporter Once your child’s first tooth comes in ...

Great question, Nicholas. It is important for us to know what’s inside teeth as they help us eat, and eating gives us the energy to do our daily activities. Our teeth are not just for chewing, though.

Two topical treatments applied to kids' cavities can stop the majority of them from progressing for years, according to a study led by NYU College of Dentistry and published in JAMA Network Open.