I had the same for years, and eventually just said "get on with it" without any pain killers and basically just try to withstand the pain as much as possible.

I had the same for years, and eventually just said "get on with it" without any pain killers and basically just try to withstand the pain as much as possible. Eventually one dentist suggested trying the injection 15-20 mins before the filling started. I'd go in, get a jab, then go back out and wait while they saw another patient. Now there is no pain at all. I could literally fall asleep in the chair. What a difference.