Half erupted wisdom . I think my answer got partially deleted when i hit the "send" button. I'll re-answer! if you have a partially erupted tooth, and if it is hurting then you should see your dentist. Sometimes the partially erupted wisdom teeth could be pushing against the molar adjacent to it and may cause decay in it too. If it is not bothering you then leave it alone as long as you are able to keep the teeth cle.