Lower front teeth

[Biabia]

I'm having a strange sensation behind my bottom front teeth... It's nit like pain or bleeding etc it's just I've urge to rub my tongue behind front teeth... And it's not continuous... Can u plzz guide me is it something normal or not? The pics are in attachment

 

[Dr M]

Good day

You have some dental calculus that is stuck behind your bottom front teeth. These might cause some irritation.
I think you start with a dental cleaning and see if the problem persists