Wisdom teeth are your third molars that are the last teeth to emerge in the mouth. Most
people will see their wisdom teeth appear in their late teens, but some not until their 20s. For others still, these third molars never fully erupt through the gumline, leading to what’s called impacted wisdom teeth.
It’s possible to have one or all of your wisdom teeth be impacted. Impacted wisdom teeth may partially surface with some gum tissue still covering the teeth, or they may be completely trapped in the gums. What happens when a wisdom tooth only partially erupts, and what can you do about it?
Read the full article here: What Is a Partially Erupted Wisdom Tooth?