Root canal options/extraction

Thanks for the info. And Phelp I've seen that video, I've done a lot of research I'm just looking for advice or opinions.  I am also wondering if I got my tooth removed, it's number 19 so bottom second to back, um would a partial be something I could look at? I know it's not covered probably by my ins. but I don't want a bridge because my teeth around that tooth are looking pretty good. The other option I was thinking would be, now don't completely dismiss this, applying some ultrasound to the area and try to grow a new tooth. I know if there is no root its' almost impossible or is. But firstly, I don't know that he got all of my root. And secondly the human body can do amazing things. Now I know if there is no root then it's medically impossible but I'm not that quick to give up...Anyways any opinions on if I should get that tooth pulled and options for after? I know the damn ins. won't cover the extraction unless it's infected or something so I think I might have them xray it again or at least look at it. But yea.

Thanks