Can be.
> My clear nightguard has turned black in the place it rests on a silver
> filling. Is this normal?
> My clear nightguard has turned black in the place it rests on a silver
> filling. Is this normal?
This depends on who you talk to.. Personally, I don't think it is a
problem at all. You can ask your dentist to polish the silver filling,
this may help somewhat.
Cheers
SP

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