Dentist covered by CNS? (Luxembourg)

I could use a go with a dentist here.
Is a visit to a dentist covered by CNS?

And if only some things are covered, what is, and what is not?

I am covered for healthcare by CNS, but really don't know how anything works yet...

Just want to know so I don't get an unpleasant surprise if I go, as I heard prices can be very high.
And a pointer in direction for a good English speaking dentist would be nice too.

Thanks a million.