G'day Poe,

 PL>> A simpler way is to use an occlusal splint and see how
 PL>> quickly that wears, but that only shows that it is present.
 PL>
 VC>> What is "an occlusal splint"?
 PL>
 PL> An acylic device which is usually fitted to the top teeth, covering
 PL> all the chewing surfaces, and is adjusted so that all the teeth
 PL> (usually bottom if it is an upper splint) are touching it at the
 PL> same time when you bite down, but the only front teeth touch when
 PL> you grind your teeth.

If I'd of had one of those when I was in USA for eight months, it
woulda been worn away to shreds.  I found I often had to pry my teeth
apart, I'd ground them so hard. The only time I have anything even
similar to that now is when sneezing.

Cheers,
Gaelyne

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