in current context of anthropomorphize[anthropology] and dietary habits our WISDOM tooth is unable to erupt fully.As your case is a erupting wisdom there is definite a chewing of gum around and causing immense pain,if already swollen then bleeding as foul smell too due food imp action. Please show to dentist near by to evaluate if retention of the same tooth is possible or not by rootcanal.
Next Steps
Take an expert dentist opinion from a Oral Surgeon to keep wisdom tooth.
Health Tips
Dont be hasty or a blog read only to take the decision.Go X-RAY, ORAL SURGEON, YOUR OWN BITE[tooth to tooth contact] AND THEN DECIDE.