Ask the Dental student....Q's, fears, concerns, hopefully answered.

[BellyBuster7]

[ QUOTE ]

I have this same exact thing. I don't know what you mean by hard or soft, it's almost like it's part of the tooth. No sticking or sensitivity in my case.

[/ QUOTE ]

Yep, same here. Doesn't seem to be sticky when I floss, doesn't hurt at all, just an ugly black spot.

Disclaimer: I drink mass doses of caffeine daily- but I would think that would lead to overall staining, not one spot.