Efficacy of Integrated Nano-technology in Revascularization of Immature Necrotic Teeth

Inclusion Criteria: * o Immature necrotic maxillary incisor with open apex greater than 1 mm. * Teeth where pulp space are not needed for post and core. * A restorable tooth. * Patients should be free from any systemic disease that may affect normal healing and predictable outcome. * Patients who will agree to the consent and will commit to follow-up period. Exclusion Criteria: * o Non-restorable teeth. * Teeth with root fractures, internal or external root resorption. * Teeth with mature fully developed root with closed apex * Patients with any systemic disease that may affect predictable outcome