To help you keep track of your little one’s tooth growth, we’ve created a simple Baby Teeth Chart that you can print out.

"We know that teeth get more brittle as people age, especially near the very outer surface, which is where cracks start," ...

Live news, investigations, opinion, photos and video by the journalists of The New York Times from more than 150 countries around the world. Subscribe for coverage of U.S. and international news ...