If your jaw is "clicking" you probably clench with lots of force during
sleep. This could "bruise" the ligament holding the tooth in place.

You also might have a fractured root.

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Amatus

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<lockehead[at]hotmail.com> wrote in message
news:1186630028.448997.96030[at]i38g2000prf.googlegroups.com...
- quote -

3 months ago, I had a root canal performed on my molar and put a crown
on it. It was fine until last week when it's starting to ache badly.
The source of pain is the gum (on that tooth) itself. If I put my
finger on the gum and press, the pain intensifies. I couldn't chew on
that side of the mouth anymore.

How can this be? Didn't the root canal took care of the nerves? It
was fine for 3 months. Is this related to my jaw clicking? It's on
the same side of that tooth.

I would like to get some ideas first before going back to my dentist
so I could make better decisions.