First and foremost, if you have a broken tooth you must visit your dental professional as a matter of urgency – you don’t want it to become infected with the chance of losing the tooth altogether!
Until you can vist your dentist, you could:
- take pain killers to stop toothache
- rinse out your mouth with salty water
- cover over the sharp edge of your tooth with something like wax paraffin or chewing gum (sugarless)
- eat only soft foods
A simple chipped tooth can be treated by your dentist in one visit via dental bonding or a filling, but if the tooth is badly damaged, you may require a dental crown and additional visits. source