Once the matrix is removed the offending piece of nail will never grow back.
The procedure itself is painless due to the administration of a local anesthetic. Once the nail matrix is removed a chemical is applied to ensure regrowth does not occur.
If the side (or sides) of the nail are removed the skin will heal to give a normal looking nail that is slightly narrower. If the whole nail is removed the nail bed toughens over a few weeks so the area is not tender.
Galleria Podiatry will instruct you in detail on post-operative care as the first 3 days following nail surgery are crucial for rapid healing.