P. R. Kumar

To evaluate and compare the efficacy, cleaning ability of hand and two rotary systems in root canal retreatment.

J. Sachdeva, Chetan R Patil, A. Krishna, 2013, The journal of contemporary dental practice.

Variable permanent mandibular first molar: Review of literature

Sayesh Vemuri, S. V. Ballullaya, P. R. Kumar, 2013, Journal of conservative dentistry : JCD.