Wisdom teeth are our third molar teeth, which develop later than other teeth and can often erupt or become visible in our late teens or early twenties, but sometimes later.
For some of us, wisdom teeth fit well into the jaw bone and cause no problems as long as they are kept clean.

Wisdom Tooth Extraction

The gum tissue needs to be reflected away from the jaw bone, and the wisdom tooth is often sectioned into pieces along with removal of a small window of bone to allow removal of those pieces. After removal, the wound is cleaned and checked and the gum is closed back with sutures (stitches).
When you get home, depending on the nature of the procedure, you may have been prescribed pain-killers to keep you comfortable for the first couple of days of recovery.
Following wisdom teeth surgery, you can often develop swelling in the area of the cheeks or face, and it is recommended that you rest at home and keep a soft nutritious diet for up to a few days. Some wisdom teeth procedures are very straightforward and cause minimal to no post-operative discomfort.