The Sealing Ability of Different Thickness of Orthograde Apical Plug of Mineral Trioxide Aggregate in Comparison with Gutta-Percha and Sealer AH26Journal of Dental Medicine, 2012, 25(4), pp. 224-231 (in Persian)Read More Tags:The Sealing Ability of Different Thickness of Orthograde Apical Plug of Mineral Trioxide Aggregate in Comparison with Gutta-Percha and Sealer AH26