QUICK QUESTION!!!!
Nope, not painful. They will sedate you and you should sleep through the whole thing. Your throat may be a little sore when you wake up but that's all that should hurt.
Please note: I AM NOT A DOCTOR. If you want medical advice, talk to your doctor. Whatever I post, there is probably some surgeon or other health care provider somewhere that disagrees with me. If you want to know what your surgeon thinks, then ask him or her. Check out my blog.