One of my teeth is sensitive?

Question

I haven't noticed what it's sensitive to but whenever I bite down on my nail on top of it, it sort of hurts. I really don't think it's a cavity...

Answer 1

oh..then i think you better seek for dentist

Answer 2

i dont know what that is.

i get it a lot. biting, cold things mainly.

try use sensodyn tooth paste.

Answer 3

you should see a dentist its ether you have a cavity or your enamels waring away

Answer 4

this may be overload u r exerting on ur tooth, if this tooth bites earlier than the rest of teeth, it should be correcetd, the worst is to have abscess under ur tooth