Subhy A, Mohammed R. A comparative study of the sealing ability of two different obturation techniques with and without the use of sealers. J Bagh Coll Dent [Internet]. 31Jan.2017 [cited 30Nov.2019];20(1):5-. Available from: http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1682