So your tooth hurts.
But how do you know if its just a cavity that needs filling
or if it's progressed to something much more serious and
needs to have a Root Canal Treatment preformed on it?
First thing is to determine when the tooth hurts.
Cavities typically hurt only on exposure to hot or cold temperature changes.
Teeth that need root canals will hurt on biting, hot, cold, and
perhaps most importantly, they may start hurting for no reason at all.
If you are just reading a book and your tooth starts hurting,
you may be in trouble.
Another indicator would be the presence of an abscess.
An abscess is a little bump next to the tooth on the gums.
This is a sign that there may be infection and that a root canal
may indeed be in your future.
These are all general guidelines.
No matter what, if you feel any discomfort in your teeth you should
seek professional advice as soon as possible.