An in vitro Comparison of Apically Extruded Debris with the use of Full Sequence M-two and Heroshaper Ni-Ti File systems Journal title: International Journal of Contemporary Medical Research Authors: N. Upendranatha Reddy, M. Chandrasekhar, M. Gopikrishna Reddy, S. Naga Lakshmi Reddy, A. Praveen Kum... Subject(s):