If toothbrushing is forced form a young age, kids can become resistant to dental care practices. Make it fun.
The edges of your lost tooth are sharp because when the root of the baby tooth is being eaten away, it tends to start from the middle of the root. That leaves a sharp edge behind when the tooth breaks off.
Flickr/Stephanie Young
Nicholas, aged 6, was watching TV one day when his tooth fell out. He noticed that the bottom edge of the tooth was very spiky. Now he wants to know why.
The author’s son, brushing his teeth for the camera.
Author provided
Can taking a selfie as you brush your teeth help make you a better brusher? A small pilot study indicates it may. Most of us, as it turns out, are not very good brushers.