hi. just woundering...... im worried about my bottom teeth. for a few months my wisdom teeth have been trying to come through, im 25 , but there is no room. the pressure is horrible it comes and goes for a week or so every few months, but its done something to my front tooth, teeth. i hav overcrowed teeth anyway at bottom , one of my front tooth on bottom sits behind others always has but its moving more i think and now there is a bone like hard sensitive lump behind that tooth ? what is it. it has affected the way i bite and eat. is it my tooth pushing out from underneath. ??? please help is this costly ????