YIKES Peggy! Some dentists are just not equipped to extract those size of teeth.... I worked for a dentist yrs ago, and he did the same thing a couple of times....

Yes, an oral surgeon will have to remove the root... He's probably sending you to the hosp, so it will be covered better financially there...

When there is inflammation around the area, it is very hard to deaden the tissue, so they will probably sedate you so you don't feel anything.

In the meantime, I hope you have some pain meds on hand, as you may very sore tomorrow after all the excavating they did in your poor mouth....
Geesh... I feel for ya.... take care and let us know how you make out!!