Abstract
Abstract The aim of the this trial to evaluate the clinical and radiographic appearance of tooth that suffered from Premature root formation and was treated non- surgically by mineral trioxide aggregate (MTA) as apical plug. Treatment of maxillary central incisor which had open apex and periapical lesion by using MTA apical plug after root canal had been debrided and rinsed with 2.5 % sodium hypochlorite was successful Conclusion The result add to rapidly expanding field of the use of MTA as apical plug in teei with open apices