If they give you the laughing gas first, you won't even care about the needle.

I had all of mine cut out . . . I stayed awake the whole time . . . it was kinda neat. The dentist's assistant actually had to help me to the bathroom because I was so drugged, LOL.

You sound really miserable! Don't make it worse! You can't wish a toothache away, as much as you'd like to!