See your dentist every six months for a general check up and cleaning.
Wear a mouthguard when playing sports.
Use a soft toothbrush.
If a tooth is knocked out, rinse it in warm water. Do not hold tooth by root and push it back into socket. Get to a dentist/emergency room immediately. If you can't get it back in, place it in milk. If milk is not available, hold the tooth in your mouth being careful not to swallow it.