1. Tooth in communication with the mouth, it is often possible to see all or part of the wisdom tooth. 

2. Pain and swelling overlying the wisdom tooth, sometimes associated with a bad taste or purulent discharge. 

Eruption of the wisdom teeth can be painful (teething). These teeth may take a long time to fully erupt and often the symptoms are settled by simple analgesics and hot salt-water 
mouthwashes. 

Wisdom teeth do not always cause problems but typical problems associated with partially erupted wisdom teeth are frequent swelling and tenderness, constant pain, limited mouth opening and bad breath or an unpleasant taste in the mouth.