I have never had a cavity before in my life, but I do grind my teeth at night. I was just at the dentist for a regular check-up three months ago and he said everything was good. This past week or so, my back teeth have started having intermittent pain that goes away after a few seconds. I was telling my co-worker about it and she said she had to go see a TMJ specialist for something similar. Could it really be TMJ and not just a cavity? Should I try and find a TMJ specialist or go back to my regular dentist first and have him check to see if I have a cavity? — Darrin

Darrin,
Because the pain is all over, or generalized in the back of your mouth, it’s probably not a cavity. You’ll need an exam and probably some x-rays to help determine whether you need a TMJ specialist or not. It’s troubling that your nighttime grinding hasn’t been addressed by your general dentist because that can cause some serious damage. Your teeth will likely wear down and they can become loose, cracked, or broken — all from the trauma and pressure of grinding. The fix for this is usually pretty easy. Either a TMJ specialist or your regular dentist, can have a night guard custom made for you. If it is the grinding that’s causing it, the night guard should do the trick.

With that said, it’s not possible to give a definitive answer on this without more information. It could be some kind of referred pain, which would cause issues all over. It could also be a periodontal condition, or any number of other things. Rather than starting off with a TMJ specialist, you can probably see your general dentist for this, though if you can find a professional who is skilled at both general dentistry and TMJ issues, that may be the best way to go.

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