A breakthrough in the midst of a hurdle with nonvital immature young permanent tooth. Management of such teeth present the clinician with numerous restorative and endodontic challenges. Every effort should be made to attain the genetically programmed closure of the foramen that remains open because of early pulp death. This can be accomplished by apexification and regeneration method of recharging the growth potential and restoring root growth and foramen closure. The aim of the dissertation is to review the different method of case assessment, diagnosis and management of nonvital, immature young permanent tooth.