I get my wisdom teeth out in 1 day, what are possible complications?

Possible . . .: Risks and possible complications may include but are not limited to excessive bleeding, prolonged swelling, infection, sensitivity in adjacent teeth, altered sensation to certain areas of the mouth, limited opening, dry socket, possible sinus involvement with upper teeth, stretching of the corners of the mouth from opening, leaving a small piece of the root or tooth, small areas of exposed bone.

Many: There are many complications that could occur from third molar or wisdom tooth extraction . They could range from minor to severe pain; nerve damage, swelling, infection, muscle trismus, excessive bleeding etc. However, you should remember these complications are rare and should not discourage you from having the procedure done.