Kia, the person you mention may have TMJ or it may be something else. I would think that only a competent doctor or dentist can diagnose it.
It is not the case that no insurance companies cover TMJ treatment -- some do (though I think most don't cover the appliance/splint/orthotic). I'm not sure why but I'm looking into it.
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Judy
[Edited to remove website with links to other websites.]
[This message has been edited by Well-come (edited 06-13-2003).]