1. History taking and examinations are performed for correct diagnosis
2. Access opening is made through the crown
3. The pulp is removed with tiny instruments called nerve broaches
4. A temporary filling is placed in the access opening to protect the root canal
5. When completely clean and free of infections the root canals are filled and sealed
6. A final restoration covering the crown is placed
7. Etiology includes severe decay, fracture, traumatic injury, cracked or loose fillings, periodontal disease