I gave you one pass, but if you ever look at me like lunch again, I'll rip those fangs out of your head and shove them so far up your ass they'll reattach.
Sections of gum that are not likely to reattach to the teeth may be removed to promote healing by healthy sections of gum.
A general, emergency, or orthopedic surgeon makes the final determination about whether surgery should be performed to reattach the amputated part(s).
As long as you reattach the new outlet the same way the old one was connected, it will work.
Avulsion injuries require surgery to reattach the nerve root to the spinal cord.