This is a symptom of a parasite infection. I had a dozen parasites, including Ascaris, (White worm), Still have Strongyles (Red Worm) and manage somewhat.
My teeth were blown apart with systemic strongyle infection, I lost 8 teeth, but posted 2. Massive Dental bills, but using moxidectin on jaws, drove them out and finally learned to control them, cept spring and fall.
Interestingly enough, dental clenching was one of my first symptoms.
I discovered many nests in the head, and sinuses, that took several years to clear.
One has no clue how bad your situation is, until you start ...
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