TY - BOOK AU - SOI, SONAL TI - A COMPARATIVE EVALUATION OF AMOUNT OF APICAL EXTRUSION OF DEBRIS DURING ROOT CANAL PREPARATION BY MANUAL AND ROTARY ENGINE DRIVEN INSTRUMENTS - AN IN VITRO STUDY U1 - 617.6 PY - 2011/// CY - DELHI NCR PB - SGT UNIVERSITY GURUGRAM KW - CONSERVATIVE DENTISTRY ER -