Honestly, the worst part is the injection. I have a phobia of needles, so I just close my eyes open wide and pinch my hand like mad to try take my mind off it (sounds strange, but it actually works!). Even the injection just feels like a scratch and I feel like a massive baby after worrying about it!
I won't lie, you will feel pressure as the tooth is removed but this lasts like 10 seconds max. There's no pain whatsoever and even if you feel like you're not numb enough just ask the dentist for a few more mins for the stuff to kick in.
Afterwards you'll wonder what you were worrying about!
