Thanks for the replies zoocrew & chunky frog. Regarding masks the only ones I've tried that involved mouth breathing were full face masks. I've wondered if, on nights where I know ahead of time that nose breathing won't be successful, a different type of mask would be better for teeth and gums. I've...

I'd be interested in opinions regarding dental health when doing mostly mouth breathing with a ff mask. In my case it's becoming apparent that for a good share of each year, due to allergies, I wont be able to get it done through my nose. (I've spent part or all of each of the last 20+ years on nasa...