Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

When that first tooth emerges, start brushing — and other advice from pediatric dentists. By Melinda Wenner Moyer Pop quiz: At what age should kids first see a dentist? In a nationally representative ...

Children’s first teeth form while they are still in the uterus, but it usually takes time for those teeth to come in and emerge from their gums. But which teeth come in first? The set of teeth that ...

The fictional Cheshire cat's smile seemed to have a life of its own, outside of the cat's body, and now new research suggests the world's first teeth grew outside of the mouth before later moving into ...