CHANDRA, P.; PRASAD, R.; MISHRA, S. K.; CHANDRA, J. The Evaluation of apically extruded debris during root canal preparation using Pro-Taper Universal, ProTaper Gold and Reciproc Blue system: An in-vitro comparative Study. UNIVERSITY JOURNAL OF DENTAL SCIENCES, v. 6, n. 2, p. 11-15, 25 Aug. 2020.