Treatment Outcome With a Revascularization Protocol Using the Triple Versus Double Antibiotic Paste

Inclusion Criteria: * diagnosis of pulpal necrosis with apical periodontitis * patients 7-60 years of age * maxillary or mandibular restorable single rooted immature permanent tooth with open apices * acceptance of treatment plan with revascularization procedure * healthy patient (ASA Class I or II physical status) with no systemic health problems Exclusion Criteria: * non-restorable teeth * patients with ASA Class III or IV physical status (Immuno-compromised patients including patients who self-report to be a carrier of HIV, undergoing steroid therapy, or those who self-report with genetic or systemic diseases that could result in reduced immune response. * child subjects unable to give assent