Statement of the Problem: A mineral trioxide aggregate (MTA) apical plug is commonly applied prior to endodontic treatment of open-apex teeth. However. difficult application and condensation of MTA in the apical region is a drawback of this technique. Purpose: This study aimed to compare the microleakage of MTA apical plug applied by the manual technique and indirect use of ultrasonic... https://parisnaturalfoodes.shop/product-category/amino-energy-green-apple/